WaterSMART: Title XVI   Water 

Reclamation and Reuse Pro

Padre Dam Water Recycling Facilities - Phase 1 Expansion 

Grant Application Proposal 

(BOR-DO-20-F͔͔8) 

Prepared for: 

United States Bureau of Reclamation 

Prepared by: 

Padre Dam Municipal Water 

District 

February 2020 
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WaterSMART: Title XVI Water

Reclamation and Reuse Projects

(FOA No. BOR‐DO‐20‐F008)

Padre Dam Water Recycling Facilities –

Phase I Expansion Grant Application

Submitted by:

Padre Dam Municipal Water District

9300 Fanita Parkway

Santee, CA 92071

February 19, 2020
                 

         

   

                           

           

     

  

            

           

     

         

     

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Title Page

Title of Title XVI Project: Padre Dam Water Recycling Facilities – Phase 1 Expansion

Applicant Name: Padre Dam Municipal Water District

Project Manager: Seal Sen

Applicant Address:

P.O. Box 719003, Santee, CA 92072

9300 Fanita Parkway, Santee, CA 92071

Applicant Email Address: ssen̷padre.org

Applicant Telephone No.: (͚19) 2͙8‐͚͘31

Applicant Fax No.: (͚19) ͘͘9‐9͚͘9

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table of Contents

Title Page ....................................................................................................................................1

1 Technical Proposal and Ealuation Criteria ............................................................ 3

1.1 Executie Summary ................................................................................................. 3

1.2 Technical Project Description.................................................................................. 3

1.2.1 Project Needs and Objecties ................................................................................. ͘

1.2.2 Padre Dam MWD...................................................................................................... ͙

1.2.3 Phase I Project.......................................................................................................... ͙

1.2.͘ Phase I Project Status .............................................................................................. 8

1.3 Ealuation Criteria....................................................................................................11

1.3.1 Ealuation Criterion 1: Water Supply ......................................................................11

1.3.2 Ealuation Criterion 2: Enironment and Water uality.......................................18

1.3.3 Ealuation Criterion 3: Economic Beneits ............................................................ 21

1.3.͘ Ealuation Criterion ͘: Department o Interior Priorities.................................... ͘3

1.3.͙ Ealuation Criterion ͙: Reclamationǯs Obligations and Beneits to Rural or

Economically Disadantaged Communities ......................................................... ͘7

1.3.͚ Ealuation Criterion ͚: Watershed Perspectie ................................................... ͙0

2 Enironmental and Cultural Resources Compliance.............................................͙2

3 Reuired Permits or Approals............................................................................. ͙8

͘ Project Budget ....................................................................................................... ͚0

͘.1 Funding Plan and etters o Commitment........................................................... ͚0

͘.1.1 Sources o Funding .................................................................................................͚1

͘.1.2 etters o Commitment......................................................................................... ͚͘

͘.2 Budget Proposal .................................................................................................... ͚͘

͘.3 Budget Narratie.................................................................................................... ͚͚

͙ etters o Support ................................................................................................. ͚8

͚ Oicial Resolution.................................................................................................. ͚8

7 Reerences ............................................................................................................. ͚9

Appendix A – etters o Support.................................................................................................73

Appendix B – Authoriing Resolution......................................................................................... 9͙

Appendix C – etters o Commitment........................................................................................99

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

1 Technical Proposal and Evaluation Criteria

1.1 Executive Summary

Padre Dam Municipal Water District (Padre Dam MWD) is applying to the WaterSMART: Title

XVI Water Reclamation and Reuse Projects grant or approximately  ͂33 million to complete

expansion o Padre Dam MWDǯs recycled water production capacity and to implement the

irst phase o potable reuse within eastern San Diego County, under the Title XVI‐authoried

DzSan Diego Area Water Reclamation Programdz (͘3 .S.C. 390h‐10). O the Title XVI Projectǯs

total maximum grant amount o ͂33 million, to‐date it has been awarded approximately ͂1͚.͘ 

million  rom Reclamation through the WaterSMART Title XVI program during the F201͚,

F2017, F2018, and F2019 solicitations. The Title XVI Project will implement Padre Dam

MWDǯs Phase I Water Recycling Project and includes expansion o the Ray Stoyer Water

Recycling Facility (WRF), construction o a new adanced water puriication acility, potable

reuse coneyance pipelines, a product water pump station, and a biosolids digestion acility

to process sludge and oset energy demands o the project. The Title XVI Project will create

3,900 AF (or 3.͙ MGD) o potable water, allowing an oset o an eual amount o imported

water. Increasing local water supplies helps to increase supply reliability, reduce energy

demands or water supply, improe surace water uality, and protect against the eects o 

droughts. In addition to the beneits realied through osetting imported water demands,

the Title XVI Project will diert wastewater lows that would otherwise be sent to the City o 

San Diegoǯs Metro System  or treatment at the Point oma Wastewater Treatment Plant

(Point oma WWTP) and inal discharge to the Paciic Ocean.

Date: February 19, 2020 City: Santee

Applicant: Padre Dam Municipal Water County: San Diego

District State: Caliornia

1.2 Technical Project Description

Padre Dam MWD is a leading member o the East County Adanced Water Puriication (AWP)

Program, a partnership o our water and wastewater agencies in eastern San Diego County:

Padre Dam MWD, elix Water District, City o El Cajon, and County o San Diego. The goal o 

the East County AWP Program is to explore and implement deelopment o potable reuse and

to increase the production and use o  recycled water, both potable and non‐potable, in

eastern San Diego County.

Padre Dam MWDǯs Phase I Project is part o the Title XVI‐authoried DzSan Diego Area Water

Reclamation Programdz. The San Diego Area Water Reclamation Program was authoried

under ͘3 SC 390h‐10 in 1992 underthe Reclamation Wastewater and Groundwater Study and

Facilities Act o 1992. This program includes projects or Dzplanning, design and construction

o  demonstration and permanent  acilities to reclaim and reuse water in the San Diego

metropolitan serice area,dz and allows or use o ederal unds or up to 2͙Ψ o the total costs,

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

exclusie o operation and maintenance. The Phase I Project is also reerred to herein as the

DzTitle XVI Projectdz and is Phase I o the East County AWP Program.

The Padre Dam Water Recycling Facilities – Phase I Expansion (Phase I Project or Title XVI

Project) will create an additional 3,900 AF new potable water, and eually reduce demand

orimported water. It will also oset wastewater lows to the regional wastewater treatment

acility, Point oma WWTP, which is anticipated to reuire substantial upgrades in the near

uture to proide appropriate enironmental protections when discharging to the Paciic

Ocean. Padre Dam MWDǯs entire potable water supply is currently met with water purchased

rom the San Diego County Water Authority (SDCWA), which is primarily imported water rom

the State Water Project (SWP) and Colorado Rier. Construction o the Phase I Project would

expand the Ray Stoyer WRF to ͚.0 million gallon per day (MGD) capacityǢ construct a 3.͙ MGD

capacity Adanced Water Puriication (AWP) acilityǢ  construct a coneyance pipeline and

pump station or adanced treated water coneyance to ake ennings or potable reuse with

surace water augmentation (SWA)Ǣ  add sludge thickenersǢ  and construct a biosolids co‐

digestion  acility to process sludge in conjunction with organic  ood waste dierted  rom

landills and to produce energy rom biogas. The Phase I Project would create a new, drought‐

proo, local supply to improe water supply reliability, oset demands  or imported water

rom the Sacramento‐San oauin Bay‐Delta and Colorado Rier systems, and reduce both

wastewater treatment and water supply costs or Padre Dam MWD and its customers.

1.2.1 Project Needs and Objectives

Padre Dam MWDǯs drinking water is entirely supplied by water purchased  rom SDCWA.

SDCWA purchases water  rom Metropolitan Water District o  Southern Caliornia

(Metropolitan or MWD), receies imported water through agreements with other agencies,

and supplies desalinated seawater. Approximately 90Ψ  o  SDCWAǯs supplies are imported

rom the SWP and Colorado Rier. These supplies are expensie and increasingly unreliable in

times o drought. Throughout San Diego County,there is an eortto increase supply reliability

through deelopment o local, drought‐proo, sustainable supplies, such as SDCWAǯs use o 

desalinated water rom the Carlsbad Desalination Project, which began delieries to SDCWAǯs

system in December 201͙. For Padre Dam MWD, increasing supply reliability means increased

production and use o recycled water or non‐potable uses to oset imported potable water

demands, as well as deelopment and implementation o potable reuse to help meet drinking

water demands. In addition to being a local, drought‐proo, and sustainable supply, recycled

water also proides other regional beneits, such as oloading  lows to the regional

wastewater collection and treatment system (Metro System and Point oma WWTP) that

reuires signiicant capital improements in the near  uture, increasing supply reliability,

reducing risks associated with imported water supply interruptions  rom natural disasters,

and proiding a buer against potential supply impacts associated with drought. Due to the

eer‐increasing costs o imported water supplies, Padre Dam MWDǯs water costs hae risen

17͙Ψ  between 200͚  and 2018. In addition, wastewater disposal cost to the regional

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

wastewater collection system is anticipated to increase signiicantly with the implementation

o City o San Diegoǯs Pure Water Program in the near uture. Implementation o the Phase I

Project will help reduce both water‐ and wastewater‐related costs to Padre Dam MWDǯs

ratepayers by mitigating uture rate increases. The Title XVI Project was deeloped to help

address these needs and objecties.

1.2.2 Padre Dam MWD

Padre Dam MWD proides potable water, recycled water, and wastewater treatment serices

to approximately 100,000 customers in eastern San Diego County (Padre Dam MWD, 201͙b).

Padre Dam MWDǯs serice area is diided into two separate areas termed the Eastern Serice

Area (ESA) and Western Serice Area (WSA), approximately ͚0 suare miles and 20 suare

miles, respectiely. The ESA includes the unincorporated communities o  Alpine, Blossom

Valley, Crest, Dehesa, Flinn Springs, and arbison Canyon. The WSA includes the City o Santee,

a portion o the City o El Cajon, and a portion o the unincorporated community o akeside.

Padre Dam MWD proides drinking water serices to both the ESA and the WSA while

proiding wastewater serices to only the WSA. Padre Dam MWDǯs existing aerage

wastewater low is approximately ͘.͙ MGD. An aerage o 2.0 MGD wastewater is treated at

the Ray Stoyer WRF, owned and operated by Padre Dam MWD, to produce Title 22 tertiary

recycled water, and the remaining wastewater low is coneyed to the City o San Diegoǯs

Metropolitan Sewerage System (Metro System). The Metro System coneys wastewater

rom the City o San Diego and 1͙ Participating Agencies, including Padre Dam MWD, to Point

oma WWTP or treatment prior to inal disposal to the Paciic Ocean.

1.2.3 Phase I Project

Potable reuse as pursued by Padre Dam MWD with this Project will be implemented as indirect

potable reuse (IPR), which uses adanced treatment to produce high‐uality recycled water

suitable or potable reuse when coupled with an enironmental buer. Following time spent

traeling through an enironmental buer and blending with other raw supplies, the

adanced treated water is extracted and treated at a water treatment plant beore being

distributed to customers or potable use. Padre Dam MWD identiied two potential options

or enironmental buers that could be used or IPR: groundwater recharge at Santee Basins

and SWA at ake ennings.

The Project was originally enisioned to produce tertiary recycled water using groundwater

recharge as the enironmental buer or potable reuse and was described in this way in the

past F201͚ and F2017 Title XVI unding applications. Groundwater recharge was selected at

the time because regulations were already in place (unlike the SWA regulations) and would

allow Padre Dam MWD to moe  orward with pursuit o IPR. oweer, the Santee Basin,

which would hae sered as the enironmental buer, had limited capacity and would not

hae allowed or uture expansion o IPR during the planned Phase II o the East County AWP

Program. Since submittal o the Project under the F201͚ and F2017 WaterSMART Title XVI

FOAs, the State has issued regulations or IPR using SWA. Padre Dam MWD has completed

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

hydrodynamic modeling o  ake ennings that demonstrated its suitability as an

enironmental buer and receied a Conceptual Project Approal rom the Caliornia State

Water Resources Control Boardǯs Diision o Drinking Water (DDW) in 2017. ake ennings has

suicient capacity to proide the reuired residence time and dilution criteria set orth in the

Stateǯs SWA Regulations or the entire olume o water recycled by the expanded Ray Stoyer

WRF in Phase I, as well as the additional adanced treated water low planned or Phase II. As

a result, Padre Dam MWD reised the Title XVI Project under the F2018 WaterSMART Title

XVI FOA such that all additional recycled water produced by the Project would be adanced

treated or IPR using SWA at ake ennings as the enironmental buer.

The Phase I Project will expand the existing Ray Stoyer WRF rom 2.0 MGD to ͚.0 MGD tertiary

capacity and will add a new 3.͙ MGD AWP acility. It will also construct coneyance acilities

and a pump station or the adanced treated water or potable reuse at ake ennings as an

enironmental buer. Associated pipelines, pump stations, and other  acilities will be

constructed as reuired to achiee increased recycled water production, adanced water

puriication, and coneyance  or SWA o the adanced treated water. Finally, the Phase I

Project will construct a biosolids digestion acility to process sludge produced by the Ray

Stoyer WRF. This biosolids digestion acility will also generate energy that can be used to

oset a portion o the Projectǯs energy demands. The Phase I Project is diided into our sub‐

phases, as described here.

Phase IA‐1: Ray Stoyer WRF Expansion

The Ray Stoyer WRF has a current capacity o  2.0 MGD and treats wastewater  rom

approximately ͚9,000 people (Padre Dam MWD, 201͚a). Title 22 recycled water produced at

the Ray Stoyer WRF is currently used at the Santee  akes Recreation area, as well as  or

irrigation by recycled water customers within Padre Dam MWDǯs serice area. The Ray Stoyer

WRF is permitted or up to 2.0 MGD o lie stream discharge rom the Santee akes to the San

Diego Rier  ia Sycamore Creek, a tributary to the San Diego Rier. The existing WRF

treatment process includes primary sedimentation, biological nutrient remoal, secondary

clariication, rapid mix, locculation, iltration, and chlorination (see Figure 1‐1). At present,

recycled water production and use are limited by the capacity o the Ray Stoyer WRF and

demands. Excess wastewater lows rom Padre Dam MWDǯs serice area not treated at Ray

Stoyer WRF are coneyed to the Point oma WWTP through the Metro System or treatment

and inal discharge to the Paciic Ocean. The Point oma WWTP is owned and operated by the

City o San Diego.

Figure 1‐1: Existing Treatment Train for the Ray Stoyer WRF

+HDGZRUNV 3ULPDU\

&ODULILHUV

%15

%DVLQ 6HFRQGDU\

&ODULILHUV

5DSLG

0L[

)ORF6HG

)LOWHUV &KORULQDWLRQ

Source: Padre Dam MWD, 2015b.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

The Title XVI Project will retroit the existing treatment trains  or the Ray Stoyer WRF to

increase its capacity to ͚.0 MGD (to produce ͙.7 MGD Title 22 tertiary water or recycled water

use and adanced treatment). This upgrade will be accommodated within the existing

ootprint o the Ray Stoyer WRF site and will reuire the enlargement o the headworks and

grit remoal, an eualiation tank, the addition o one Biological Nutrient Remoal (BNR)

basin and three secondary clariiers, and the addition o tertiary ilters. To accommodate the

additional lows to the Ray Stoyer WRF, the existing inluent pump station (IPS) will also be

expanded.

Through the WRF expansion to ͚.0 MGD, Padre Dam MWD will be able to treat or reuse

purposes all o  the wastewater that is projected to be produced within its serice area

through 20͘0. Title 22 tertiary water produced by the expanded Ray Stoyer WRF will be

deliered to existing recycled water customers, discharged to Sycamore Creek  ia Santee

akes with an option to recirculate it back to the IPS (to minimie lie stream discharges to

the San Diego Rier and maintain permit compliance), or dierted to the AWP  acility

constructed under Phase IA‐2. The waste stream and sludge will be sent to the biosolids

acility constructed under Phase IC or processing.

Phase IA‐2: Advanced Water Purification Facility

Phase IA‐2 includes the construction o the AWP treatment train with a production capacity

o  3.͙  MGD  or potable reuse. The AWP  acility will proide additional treatment to the

recycled water rom the Ray Stoyer WRF using chlorine disinection, microiltration, reerse

osmosis, and an adanced oxidation process (e.g. ultraiolet treatment with ree chlorine).

The resulting adanced treated water will be used or SWA at ake ennings (as described in

Phase IB), in accordance with applicable permits. The brine will be coneyed to the Metro

System (Padre Dam MWD, 201͙a).

Phase IB: AWP Pipeline and Pump Station to Lake Jennings

Adanced treated water rom the new AWP acility will be used or potable reuse. Padre Dam

MWD has identiied a preerred option  or an enironmental buer or IPR–SWA at ake

ennings. SWA at ake ennings proides an opportunity to grow the project in the uture that

would not be aailable i  Padre Dam MWD implemented this project using groundwater

recharge at the Santee Basin. The use o ake ennings allows or all water produced by the

Phase I Project to be used or potable reuse.

ake ennings is located in akeside, Caliornia, and is owned and operated by elix Water

District. AWP product water will be coneyed to ake ennings using an approximately 10‐mile

long, 2͘‐inch diameter pipeline. A ͙00‐P capacity pump station located at the AWP Facility

site will be used or the coneyance. Product water will be dechlorinated beore entering to

the lake. AWP product water will mix with the natie water sources in the lake beore being

pulled out or additional treatment at the existing ey Water Treatment Plant or potable

consumption. According to the completed hydrodynamic modeling eort, in Phase I o the

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

project, AWP product water would hae a hydraulic residence time in the lake  or

approximately 2͘  months, which is conseratiely higher than the minimum reuired

hydraulic residence time o ͚ months per the SWA regulations.

Phase IC: Biosolids Digestion Facility

The waste sludge rom the expanded Ray Stoyer WRF will be sent to a new biosolids digestion

acility constructed under Phase IC. The new biosolids digestion acility will be located at the

Ray Stoyer WRF. The biosolids digestion acility will be designed and constructed to allow or

potential co‐digestion o the thickened WRF sludge with organic waste rom the landill or

haulers to enhance bio‐methane production which will be used to oset energy demands o 

the Phase I Project and to reduce greenhouse gas emissions. It is anticipated that the

expanded Ray Stoyer WRF will produce 20,͙͚8 lbsȀday or 0.32 MGD solids. Two  ͘2͙  gpm

capacity rotary drum thickeners will be constructed at the expanded Ray Stoyer WRF, and the

resulting 38,000 gallon‐per‐day (gpd)  ͙Ψ solids thickened sludge will be coneyed to the

biosolids digestion acility. Organic material dierted rom the landill by haulers and at oil

and grease (FOG) will be trucked to the  acility  or co‐digestion. The digester includes

anaerobic digestion and dewatering and will allow co‐digestion o sludge with organic waste

o up to 100 tonsȀday and FOG o up to 10,000 gpd. Two 1,000,000 gallon mesophilic digesters

will be constructed, along with two 8͙ gallon‐per‐minute (gpm) capacity screw presses or

solids dewatering (Padre Dam MWD, 2018a). Waste heat  rom the biodsolids digestion

process will be used to power the digester acilities, while energy produced by the acility will

be used onsite by Padre Dam MWD or the AWP acility electrical demand.

1.2.4 Phase I Project Status

Planning and Pre‐Design Actiities:

A Facilities Planning Report (Padre Dam MWD, 201͙a) was completed or the Title XVI Project

in October 201͙. Padre Dam MWD hired  ennedy enks to complete the planning and

preliminary design work or the Title XVI project. A notice to proceed was issued in February

201͚ or both planning and pre‐design work.

 Phase IA: Ray Stoyer WRF Expansion and AWP Facility – The drat Basis o  Design

Report and predesign drawings  or the WRF expansion (Phase IA‐1) and the AWP

acility (Phase IA‐2) were irst completed in 2017. Ater changing the enironmental

buer  rom Santee Groundwater Basin to  ake ennings  or SWA a  ew changes

occurred to the Basis o Design Report. The reised 10Ψ design or Phase 1A‐1 and Phase

1A‐2 was completed in 2019, and the Basis o Design Report is currently being inalied

or inclusion in the procurement documents or the design‐build contract. Final design

work or Phase IA‐1 and Phase IA‐2 is anticipated to continue in 2020 under a design‐

build contract.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

 Phase IB: AWP Pipeline and Pump Station to Lake Jennings – An AWP pipeline

alignment study and preliminary analysis or the pump station were irst completed in

2017. The alignment study was reised in 2018 ater receiing the conceptual approal

or use o ake ennings  or SWA rom DDW in 2017. The Basis o Design Report is

currently being inalied or inclusion in the procurement documents or the design‐

build contract. Design o Phase IB is anticipated to begin in 2020.

 Phase IC: Biosolids Digestion Facility – A easibility study or the biosolids co‐digestion

project under Phase 1C was irst completed in 2017. Predesign o the biosolids digestion

and energy recoery  acility was  inalied in 2018. The Basis o  Design Report is

currently being inalied or inclusion in the procurement documents or the design‐

build contract. Design o Phase IC is expected to begin in 2020.

Enironmental Compliance Actiities:

Enironmental compliance is reuired beore construction can begin. Phase IA project‐leel

enironmental documentation was certiied in 201͙ or Caliornia Enironmental uality Act

(CEA), and CEA‐Plus (including ederal crosscutters or National Enironmental Policy Act

ȏNEPAȐ compliance) was completed in March 2017 (201͙ MND). Due to project scope changes

since the 201͙  MND, Padre Dam MWD completed a Programmatic Enironmental Impact

Report (PEIR) in 2017  or both the Title XVI Project and Phase II o the East County AWP

Program to comply with CEA (2017 PEIR). The 2017 PEIR included ederal crosscutters or

compliance with NEPA. A CEA project‐leel analysis was completed or Phase IA in the 2018

MND to address the Title XVI Project as currently being implemented (3.͙ MGD AWP with SWA

at ake ennings). This Project‐leel document is a Tiered MND based on the 2017 PEIR. CEA‐

Plus reuirements were addressed in 2019 as part o  Padre Dam MWDǯs State Water

Resources Control Board (SWRCB) Clean Water State Reoling Fund application.

Documentation with the ederal crosscutters and alternaties was submitted to SWRCB in

May 2019 and is expected to be  inalied by une 2020 in cooperation with SWRCB.

Reclamation is expected to issue a FONSI by Summer 2020 or the entire Project, because

suicient enironmental documentation to make this determination  or the Project was

proided in preious rounds o Title XVI unding.

Table 1‐1 shows the status and anticipated schedule or enironmental compliance actiities.

Table 1‐1: Phase I Project Environmental Compliance Schedule ‐ Anticipated

Activity CEQA Document NEPA

Document

Completion Date

Phase IA‐1 and Phase IA‐

2 Ray Stoyer WRF

Expansion and

Advanced Water

Purification Facility

MND (SC No.

201͙071078)

CEA‐Plus

(SWRCB SRF

Enironmental

Package)

uly 201͙ (CEA)Ǣ March

2017 (CEA‐Plus)

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Activity

Title XVI Project

(Phases IA, IB, and IC)

Title XVI Project

(Phases IA, IB, and IC)

CEQA Document

PEIR (SC No.

201͙11101͘)

Tiered MND (SC

No. 2018091029)

NEPA

Document

None

CEA‐Plus

(SWRCB SRF

Enironmental

Package)Ǣ 

FONSI

(Reclamation)

Completion Date

May 2017 (CEA)

December 2018

(CEA)Ǣ expected

completion une 2020

(CEA‐Plus)Ǣ Summer

2020 (FONSI)

Design‐Build Contract Procurement Actiities:

Padre Dam MWD is executing the Title XVI Project with a progressie design‐build contract

or all components with two progressie design‐build contract packages:

 Package ͓1 is or the design and construction o the WRF expansion, the AWP acility,

and the biosolids handling acilities (Phase IA and Phase IC)

 Package ͓2 is or the design and construction o the AWP product water pipeline and

the pump station to ake ennings (Phase IB)

Selection o the design‐build contractor will be completed with a two‐step approach. Step 1

includes releasing a Reuest or ualiications (RF) and shortlisting the top three Proposers.

Step 2 includes releasing a Reuest or Proposals (RFP) to the pre‐selected Proposers to

submit their scope and ee proposals to complete the design and construction o the project

inrastructure elements.

Step 1 o the contract procurement or Package ͓1 has been completed. The RF was released

in December 2019 and the shortlisting has been completed. The RFP  or Package  ͓1 is

scheduled to be released in April 2020, and inal selection o the design‐build contractor is

expected to be completed by August 2020.

Step 1 o the contract procurement or Package ͓2 has also been completed. The RF was

released in anuary 2020, and shortlisting will be completed in April 2020. The RFP or Package

͓2 is scheduled to be released in May 2020. Final selection o the design‐build contractor is

expected to be completed by August 2020.

Scope o the progressie design‐build contracts will include completing the ull design and

construction o  all the inrastructure components. Construction o  the Title XVI project

components is expected to begin in Fall 2021 and end by the end o 202͘. Table 1‐2 shows the

anticipated schedule or construction actiities.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐2: Phase I Project Construction Schedule ‐ Anticipated

Title XVI Project Component Construction Schedule

Phase IA‐1 Ray Stoyer WRF Expansion October 2021 ‐ December 202͘ 

Phase IA‐2 Advanced Water Purification Facility October 2020 ‐ December 202͘ 

Phase IB AWP Pipeline and Pump Station to Lake Jennings October 2020 ‐ December 202͘ 

Phase IC Biosolids Digestion Facility October 2020 ‐ December 202͘ 

1.3 Evaluation Criteria

1.3.1 Evaluation Criterion 1: Water Supply

The Title XVI Project will create an additional 3,900 AF o potable water through the use o 

adanced treated water. Padre Dam MWDǯs 100,000 gpd capacity AWP Demonstration

Facility has been constructed and under operation since April 201͙, demonstrating that the

proposed AWP acility under the Title XVI Project will meet or exceed all DDW standards or

potable reuse water, while the ake ennings hydrodynamic modeling results showed it was

suitable or SWA. The Title XVI Project will implement Phase I o the East County AWP Program.

Water produced by the Phase I Project will be used to oset a portion o the potable water

demands currently met with imported water sourced rom the SWP and the Colorado Rier.

1.3.1.1 Subcriterion No. 1a ‐ Stretching Water Supplies

1. How many acre‐feet of water are expected to be made available each year upon

completion of the Project? What percentage of the present and/or future annual

demand in the project sponsor’s service area will the Project’s reclaimed water provide

upon Project completion? The percentage should be based on the total service area

demand, not just recycled water demand. Use the total capacity of the entire Project

upon completion, not just the water that will be produced by the activities that will be

completed over the next two years.

pon completion o the Title XVI Project, Phase I will produce a total o 3,900 AF o 

potable water  rom local, drought‐proo, sustainable supplies. Full delieries o 

potable water are expected at the start o 202͙, immediately ollowing completion o 

construction o the Title XVI Project at the end o 202͘. Padre Dam MWDǯs potable

water demands and the percentage o potable demands oset by the Title XVI Project

are presented in Table 1‐3. The Title XVI Project will oset between 2͚Ψ and 28Ψ o 

Padre Dam MWDǯs total imported water demands.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐3: Padre Dam MWD’s Imported Supplies and Percent Offset by the Title XVI Project

Average

2025 2030 2035 2040 (2025

2040)1

Imported Water without the Title XVI

Project (AFY) 1͘,033 1͘,21͘  1͘,͙͘͘ 1͘,800 1͘,373

Total Imported Water Offset by Title XVI

Project (AFY) 3,900 3,900 3,900 3,900 3,900

Imported Water with the Title XVI Project

(AFY) 10,133 10,31͘  10,͙͙͘ 10,900 10,͘73

% Imported Water Offset 28Ψ  27Ψ  27Ψ  2͚Ψ 27Ψ 

1 Averaged across the years for which the project will provide full deliveries

Source: Padre Dam MWD, 2016a.

2. Will the Project reduce, postpone, or eliminate the development of new or expanded

non‐recycled water supplies? Explain.

Padre Dam MWDǯs entire drinking water supply consists o  water purchased  rom

SDCWA and is primarily imported water rom the SWP and Colorado Rier, with some

local desalinated seawater rom the Carlsbad Desalination Project. As a result o local

policies to reduce reliance on imported water supplies, all water produced by the Title

XVI Project (3,900 AF) would be used to oset this purchased imported water, rather

than osetting both imported water and local desalinated water. Osetting this

source o  water would reduce or postpone the need to deelop  uture additional

imported water supplies and associated inrastructure. Padre Dam MWDǯs source

opportunities are limited to water purchased rom SDCWA, locally‐produced recycled

water, and minimal groundwater used to supplementthe recycled water supply (Padre

Dam MWD, 201͚). nless the Ray Stoyer WRF is expanded, any increase in demand as

Padre Dam MWDǯs population grows and the region experiences other actors that

increase demand (including but not limited to economic growth, changes in

precipitation regime and drought, or natural disaster) would need to be met by

increased imported water purchases.

Existing groundwater in the Santee Basin is unlikely to be deeloped as a supply due

to groundwater rights‐related challenges and the City o  San Diegoǯs longstanding

Pueblo rights to the shared basin. Surace water lows rom the San Diego Rier also

present limited supply opportunities  or similar reasons. Adanced treated potable

reuse water is a local, drought‐proo, sustainable supply, and creates a new source o 

potable water or Padre Dam MWDǯs customers that would reduce, postpone, or could

eliminate the need or new or expanded non‐recycled supplies or the uture.

3. Will the Project alleviate pressure on existing water supplies and/or facilities? If so,

please describe the existing water supplies and/or facilities that will be impacted and

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

explain how they will be impacted by the Project, including quantifications where

applicable.

The Title XVI Project would alleiate pressure on imported water systems (SWP and

the Colorado Rier) by osetting demands or imported water.

Padre Dam MWDǯs entire potable water supplies are sourced rom water purchased

rom SDCWA. These supplies comprise desalinated seawater (Carlsbad Desalination

Project) and imported water (SWP and Colorado Rier water). In accordance with

SDCWAǯs 2015 Urban Water Management Plan (WMP) (SDCWA, 201͚), and

incorporating the supply mix o SDCWAǯs wholesaler, Metropolitan Water District o 

Southern Caliornia, approximately ͚0Ψ o its water was supplied directly or indirectly

rom the Colorado Rier in 201͙. Gien the cost o imported water and the regionǯs

goal to reduce reliance on imported water, any water that osets purchases  rom

SDCWA would be used to oset demands on imported water (as opposed to

desalinated seawater).

The SDCWAǯs 201͙  WMP assumes that near‐term water supply projects being

deeloped by its member agencies will be implemented, including the Title XVI Project.

This application calculates reductions to imported water supply demands assuming

that the planned projects or other agencies in SDCWAǯs serice area moe orward

with their projects as incorporated into SDCWAǯs 201͙ WMP.

Table 1‐4 presents projected percentage o SDCWAǯs imported water supplies that are

anticipated rom the SWP and Colorado Rier, assuming that this Title XVI Project is

not implemented. It is anticipated that the Title XVI Project would oset both SWP and

Colorado Rier demands, in proportion to their respectie contribution to SDCWAǯs

imported supply mix. An aerage o 2,82͚ AF in Federal water and 1,07͘ AF in State

wateris anticipated to be oset by the Phase I Project. Table 1‐4 also shows the olume

o Federal water anticipated to be oset by the Title XVI Project, in ͙‐year increments

based on supply projections in SDCWAǯs 201͙  WMP and Metropolitanǯs 201͙ 

Integrated Water Resources Plan (Metropolitan, 201͚), which was used to deelop

Metropolitanǯs 201͙ WMP.

By osetting demands or imported water, diersions rom natural watercourses will

also be reduced by the Title XVI Project. As stated aboe,the Title XVI Project will oset

3,900 AF o imported water that is currently dierted rom the Colorado Rier and

the Sacramento‐San oauin Bay‐Delta (ia the SWP), allowing these  olumes to

remain in the riers instead.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐4: SDCWA Imported Water Supply Mix and Federal Water Offsets from the Project1

Imported Water Source 2025 2030 2035 2040 Avg. (2025 2040)4

Colorado Rier 77Ψ  73Ψ  71Ψ  70Ψ  72%

SWP 23Ψ  27Ψ  29Ψ  30Ψ  28%

Water Offset by Project

Total Imported Water Oset (AF) 3,900 3,900 3,900 3,900 3,900

Federal Water Oset (AF)2 2,98͙  2,830 2,777 2,712 2,82͚

State Water Oset (AF)3 91͙  1,070 1,123 1,188 1,07͘

1 Some dierences may occur due to rounding

2 Percentage o imported water rom Colorado Rier times the total imported water oset.

3 Percentage o imported water rom SWP times the total imported water oset.

͘ Aeraged oer the years that will realie ull delieries rom the Title XVI Project

Source: SDCWA, 201͚ and Metropolitan, 201͚

Additionally, the Title XVI Project would also alleiate pressure on the regional

wastewater coneyance and treatment system, and speciically on Point oma WWTP,

by treating an additional 3.͙ MGD wastewater lows at the expanded Ray Stoyer WRF

instead o sending it to the regional wastewater collection system and pumping to the

Point oma WWTP, which is 20‐miles away rom Padre Dam MWD serice area.

4. What performance measures will be used to quantify actual benefits upon completion

of the Project?

The Title XVI Project will proide multiple beneits. O these, the primary beneit will

be the creation o  a new local water supply  or Padre Dam MWD, with secondary

beneits including osetting lows to Point oma WWTP, reducing the need or uture

expansion o water and wastewater inrastructure to accommodate continued andȀor

increased demand  or imported water and increased capacity and treatment

capabilities at Point oma WWTP,reduced pollutant discharges to local surace waters,

and improed water supply reliability. These secondary beneits all stem  rom the

primary beneit o creation o new water. Table 1‐5 briely describes how the projectǯs

uantiiable physical beneits will be measured and what  uantiied beneit is

expected.

Table 1‐5: Project Performance Measures for Title XVI Project

Physical Benefits Measurement Tools and Methods Targets

Augmented

Potable Water

Supply

Padre Dam MWD will record annual adanced treated

water data and water deliery rom ake ennings data to

determine how much potable water is produced and used

rom the Title XVI Project.

3.͙ MGD

(3,900 AF)

Imported Water

Offset

Padre Dam MWD will measure oset imported water as

euialent to the total water deliered by the Title XVI

Project.

3,900 AF 

Offloading from The  olume o  wastewater  lows sent to Point  oma 3.0 MGD

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Physical Benefits Measurement Tools and Methods Targets

Point Loma

WWTP

WWTP that are oloaded as a result o the Title XVI Project

is euialent to the increased  olume o  wastewater

dierted to the Ray Stoyer WRF (3.͙ MGD), less brine and

thickened sludge supernatant discharged to the Metro

System (0.͙ MGD).

Water Quality

Improvement

Padre Dam MWD will proide  low monitoring data  or

wastewater eluent sent to the Metro System along with

water supplied to customers by the expanded Ray Stoyer

WRF to determine the total oloading rom Point oma

WWTP. In addition, Padre Dam MWD will proide eluent

water uality (TSS) data or ocean discharges rom Point

oma WWTP to determine the reduction in TSS

concentration discharged to the Paciic Ocean

attributable to this project.

Padre Dam MWD will proide  low monitoring data  or

adanced treated water sent to ake ennings, along with

water uality data or water supplied rom ake ennings

to the water treatment plant to determine the total

dissoled solids (TDS) improements at  ake ennings

associated with the Project.

͚0 mgȀ 

reduction

in TSS1

β͙0 mgȀ TDS or

adanced

treated water

deliered to ake

ennings

1 Eluent discharge TSS concentration limitation o the Point oma WWTP is ͚0 mgȀ based on Order No. R9‐

2017‐0007, NPDES No CA0107͘09, Waste Discharge Reuirements and National Pollutant Discharge Elimination

System (NPDES) Permit or the City o San Diego E.W. Blom Point oma Metropolitan Wastewater Treatment

Plant Discharge to the Paciic Ocean Through the Point oma Ocean Outall. TSS concentration may luctuate

based on Point oma WWTP treatment perormance

1.3.1.2 Subcriterion No.1b ‐ Contributions to Water Supply Reliability

Will the Project make water available to address a specific concern? Consider the

number of acre‐feet of water and/or the percentage of overall water supply to be made

available by the Project. Explain the specific concern and its severity. Also explain the

role of the Project in addressing that concern and the extent to which the Project will

address it.

es, the Title XVI Project makes water aailable to address the speciic concern o 

watersupply shortages and reduced watersupply reliability o imported water supplies

rom drought and the increased cost o imported water. The speciic concerns, their

seerity, and the Title XVI Projectǯs role in addressing the concerns are addressed here.

The Title XVI Project addresses the concern o limited availability of alternative supplies.

ocal supplies are aailable to arying degrees to agencies in the San Diego region, and

include surace water, groundwater, recycled water, and desalinated seawater.

Rainall in the region aerages ten inches per year, and each o the eleen watersheds

in San Diego County has a short enough residence time or all surace water lows to

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

meet the criteria or lash looding (less than ͚ hours rom headwaters to coast). This

short residence time, coupled with limited rainall and irtually no snowmelt, limits

surace water aailability and capture opportunities. During the 2019 Water  ear

(October 1, 2018 – September 30, 2019), San Diego receied approximately 1͘.͚ inches

o rain (CIMIS, 2020). oweer, rainall can be as little as 3.3͘ inches, or 32Ψ o normal,

as experienced during the 2018 Water ear (October 1, 2017 – September 30, 2018)

(SDCWA, 2018). Regionally, groundwater is limited by relatiely small groundwater

basins that are generally not suited or long‐term storage andȀor ace water uality

issues. The Caliornia Statewide Groundwater Eleation Monitoring (CASGEM)

program has designated all groundwater basins in the region as ery low priority. While

local agencies and SDCWA are working towards improing their use and collection o 

surace and groundwater supplies, recycled water and desalination represent the

greatest opportunities or local supply deelopment.

The San Diego region has worked to improe water supply reliability by diersiying its

water portolio and seeking to deelop sustainable local supplies. This is a key

objectie in the San Diego Integrated Regional Water Management (IRWM) Plan

(SDRWMG, 2019), in whose program Padre Dam MWD is an actie participant. A ten‐

year aerage rom 2007‐201͚ ound that imported water comprised 8͙Ψ o the IRWM

regionǯs water supply (includes local supplies rom SDCWA member agencies). Surace

water represented 9Ψ o supply, while groundwater and recycled water proided 3Ψ 

and ͙Ψ, respectiely (SDRWMG, 201͘).

The Title XVI Project will produce a total o 3,900 AF new water. Potable reuse water

is a drought‐proo, sustainable, local supply that is reliable so long as the inrastructure

is  unctioning. The risks to Padre Dam MWDǯs water reuse inrastructure is minimal

compared to risks to imported water inrastructure due to the smaller sie and limited

area coered by Padre Dam MWDǯs reuse inrastructure. In this way, the Title XVI

Project helps to buer against the impacts o  potential natural disasters that may

impact water inrastructure should such a disaster aect the long‐distance imported

water inrastructure. Reliability o the water produced by the Title XVI Project is ery

high compared to other water supplies. This water will oset approximately 27Ψ o 

Padre Dam MWDǯs imported water purchases (see Table 1‐3, aboe).

Imported water also reuires substantial energy inputs to pump water rom sources

hundreds o  miles to the San Diego region. Energy inputs  or potable reuse water

proided by the Title XVI Project in comparison, are substantially less and will help

Padre Dam MWD reduce its oerall energy consumption.

The Title XVI Project was deeloped to make an additional 3,900 AF potable water

aailable to meet demands within Padre Dam MWDǯs serice area. As noted in Section

1.2.1, aboe, Padre Dam MWDǯs entire potable supply is purchased rom SDCWA, 90Ψ 

o  which is imported water. Supply projections show SDCWAǯs supply mix as 11Ψ 

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

desalinated seawater and 89Ψ imported water in 2020, with imported water projected

to be 91Ψ o SDCWA supplies by 20͘0, assuming all planned local supply projects in the

region are implemented. As experienced in the 2012‐201͚ drought, SWP supplies can

be restricted during times o water shortages, in addition to increased risks o supply

disruption that is inherent with transporting resources oer a large distance. Padre

Dam MWD has seen its water costs rise 17͙Ψ since 200͚Ǣ the increased expenses also

contribute to reliability concerns o imported water. SDCWA water rates are projected

to continue to increase, as addressed in Evaluation Criterion 3, below. By implementing

a lower cost supply solution, the Title XVI Project addresses increasing cost of water

supplies.

Imported water reliability is threatened by increasing challenges to the use o the SWP

and Colorado Rier. The recent drought led to restrictions on SWP allocations, which

can lead to trickle‐down restrictions on delieries rom Metropolitan to SDCWA, and

rom SDCWA to Padre Dam MWD and other member agencies. In 201͙, SWP delieries

were cut to 20Ψ o allocations (DWR, 201͙), while in 201͘, delieries were limited to ͙Ψ

o  allocations (DWR, 201͘). Caliornia experienced a  ew storms that allowed

allocations to be as high as ͚0Ψ in 201͚ and 8͙Ψ in 2017 (DWR, 201͚ and 2017), though

water restrictions remained in place. oweer, 2018 allocations were set at only 3͙Ψ as

a result o another dry year (DWR, 2018), and 2019 allocations were 70Ψ (DWR, 2019).

In years with restricted allocation, competition  or imported supplies increases. As

demonstrated by the range o allocations rom 201͘ to 2019, they can highly ariable,

diicult to predict, and compound the lack o reliability. By osetting demand  or

imported water with a drought‐proo  local supply, the Title XVI Project directly

addresses heightened competition for water supplies.

Improing surace water  uality in  ake ennings through SWA with high  uality

adanced treated water, the Title XVI Project also addresses water quality issues.

5. Will water made available by this Project continue to be available during periods of

drought? To what extent is the water made available by this Project more drought

resistant than alternative water supply options? Explain. Has the area served by the

Project been identified by the United States Drought Monitor as experiencing severe,

extreme, or exceptional drought at any time in the last four years? Has the area served

by the Project been designated as a drought disaster area by the State in the last four

years?

Puriied water produced by the Title XVI Project through adanced treatment o 

recycled water is a drought‐proo supply. The source or recycled water in the Title XVI

Project area is wastewater and any other lows entering the Padre Dam MWD sanitary

sewer system. Wastewater lows decrease by 10Ψ to 20Ψ during drought as people

reduce water use by shortening showers, reducing toilet lushes, turning o taps, and

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

other conseration measuresǢ  howeer, wastewater is still produced and could be

recycled.

The water produced by the Phase I Project is signiicantly more drought resistant than

alternatie water supply options. Alternatie water supply options aailable to Padre

Dam MWD are limited to additional imported water supplies rom SDCWA. As stated

aboe, imported water currently used by Padre Dam MWD customers is subject to

potential restrictions during drought. As shown in Table 1‐3, utiliing the water

proided by the Title XVI Project will reduce the use o  imported supplies by

approximately 27Ψ through the creation o drought‐proo local supplies.

From mid‐February 201͘ to late anuary 2017, portions o San Diego County were in

Extreme Drought, including Padre Dam MWDǯs serice area. The .S. Drought Monitor

map showed San Diego County as being in Seere Drought, rom mid‐May 2018 to the

end o December 2018. Some portion o San Diego County was classiied as Seere,

Extreme, or Exceptional Drought  rom April 2013 to anuary 2019 (.S. Drought

Monitor, 2019). The goernor o Caliornia declared a drought state o emergency or

the State in anuary 201͘, which remained in eect until April 2017 (State o Caliornia,

201͘). Further, the  .S. Department o  Agriculture and the Small Business

Administration both declared San Diego County a drought disaster area in 201͚ 

(County o San Diego, 201͚).

1.3.2 Evaluation Criterion 2: Environment and Water Quality

1. Will the Project improve the quality of surface water or groundwater? Will the Project

improve effluent quality beyond levels necessary to meet State or Federal discharge

requirements?

The Title XVI Project will improe surace water  uality in  ake ennings through

deliery o adanced treated water or blending with other supplies or the reseroir,

as well as improe potable water uality by reducing salinity in the potable water

sourceǢ as a result, groundwater salinity will eentually be improed as lower salinity

wateris used in the region. The Title XVI Project will also improe surace water uality

through reduction o  wastewater  lows to Point  oma WWTP (and ultimately

discharge to the Paciic Ocean).

Salt management has been a key water uality consideration or Southern Caliornia.

Reclamation, Metropolitan, and Southern Caliornia Salinity Coalition (SCSC)

completed the 1999 Salinity Management Study which presented the  indings and

recommendations o an inestigation o the impacts o total dissoled solids (TDS) –

or salinity – in Southern Caliornia water supplies. The three entities engaged in a joint

eort to update the  indings o the 1999 Salinity Management Study in 2012. The

imported water supply, particularly Colorado Rier water, has high TDS leels (͚30

mgȀ  on aerage). Metropolitanǯs Board o  Directors adopted the 1999 Salinity

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Management Policy to ocus on long‐term salinity control (e.g., ͙00‐mgȀ annual TDS

goal) (SCSC, 2012).

Potable reuse projects produce water low in TDS, which will improe water uality in

areas with impacted water supplies – a major issue or Southern Caliornia due to the

high salinity o imported water sources. For example, adanced treated water rom

the Title XVI Project is highly puriied, with anticipated TDS concentrations less than ͙0

mgȀ ater post treatment (Padre Dam MWD, 201͙c). As this high‐uality AWP water is

added to ake ennings, it mixes with the existing water in the reseroir, primarily

imported water known to be high in TDS (͙00 mgȀ  or higher depending on the

imported water source). This mixed water is then treated or potable use. As a result,

potable reuse water rom the Title XVI Project would not only reduce salinity leels in

the reseroir to beneit the auatic lie but also reduce salinity in the potable water. It

is estimated that local potable reuse projects in the San Diego area could produce

water with salinity leels 20 times lower than non‐potable recycled water and 10 times

lowerthan the drinking water currently deliered to residents (City o San Diego, 2012).

Potable water with lower salinity leel would results in lower salinity in the wastewater

and thereore less salinity in the recycled water which is mainly used or irrigation and

or Santee akes Presere in the Padre Dam MWD serice area. As a result, salinity o 

surace water and groundwater within the watershed would improe oer time. In

addition, there is a beneit to water customers, because water heaters, clothes

washers, dishwashers, and ixtures will also last longer with lower salinity leels.

The Title XVI Project will also improe wastewater eluent discharge  uality by

reducing the  olume o  wastewater sent to the Point  oma WWTP and thereby

reducing the TSS discharged through Point oma WWTPǯs ocean outall into Paciic

Ocean. Currently, wastewater collected within the Padre Dam MWD serice area either

lows to the Ray Stoyer WRF or passes through diersion structures to the City o San

Diego Metropolitan Sewer System, where it is treated at the Point oma WWTP and

ultimately discharged through the ocean outall. Wastewater treated at the Point

oma WWTP has an aerage TSS o ͚0 mgȀ. This project, by dierting 3,900 AF water

rom the Point oma WWTP, will reduce the TSS discharged through the ocean outall

by approximately 288,͚3͙ kg per year.

݉݃ ͳǡʹ͵͵ǡͶ ͅʹܮ͵ ǡͻͲͲܨܣ ͳ݇݃ ͸Ͳ ൈ  ൈ ൈ ൌ ʹ ͅ ͅǡ͸͵ͷ݇݃Ȁݕ݁ܽݎ ܮ ܨܣ ܻ݁ܽݎ ͳǡͲͲͲǡͲͲͲ݉݃

2. Will the Project improve flow conditions in a natural stream channel? Will the Project

restore or enhance habitat for non‐listed species? If so, how?

The Title XVI Project will decrease demand or imported water supplies drawn rom

both the Sacramento‐San oauin Bay‐Delta (Bay‐Delta) and the Colorado Rier by a

total o 3,900 AF thereby improing low conditions in the natural stream channels

(i.e. the Bay‐Delta and Colorado Rier). Each o these supply sources support a ariety

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

o  ish and wildlie species that could beneit rom the increased lows that are the

direct result o reduced exports. By decreasing the importation o water rom these

supply sources, Padre Dam MWD could increase  lows within those systems and

enhance the habitat or the associated species.

The Bay‐Delta encompasses 1,͚00 suare miles and proides habitat or more than ͙00

species o  ish and wildlie. The 2013 Bay Delta Conseration Plan identiied oer 30

non‐listed species potentially impacted by withdrawals rom that system through the

SWP (Reclamation and DWR, 2013). Impacts occur due to the change o rier low by

pumping, capture within pumping euipment, and increased saltwater intrusion due

to pumping. A decrease in water imported through the SWP could help to alleiate

these pressures on the Bay‐Delta ecosystem and could help restore habitat or non‐

listed species.

The  ower Colorado Rier supports seeral hundred species o  wildlie. Water is

dierted  rom the Colorado Rier primarily at  ake aasu and transported to

Southern Caliornia  ia the Colorado Rier Aueduct. The result o  this and other

diersions is a decrease in lows to support the ower Colorado Rier ecosystem. The

200͘ ower Colorado Rier Multi‐Species Conseration Program coers 17 species that

are not ederally listed (CRMSCP, 200͘). The plan estimates that low reductions

could reach 1,͙7͘,000 AF  by 20͙1, resulting in lower water leels and higher

concentrations o contaminants rom agricultural runo. Water, in suicient uantity

and uality, is undamental to the health o the Colorado Rier and to the local surial

o those 17 non‐listed species. By decreasing their reliance on imported water supplies,

Padre Dam MWD could increase the uality and uantity o waterin the Colorado Rier

thereby supporting the health o the Rier and restoring and enhancing the habitat or

all those species dependent upon it.

3. Will the Project provide water or habitat for federally listed threatened or endangered

species? If so, how?

As described aboe, the Title XVI Project would produce water supplies that would

directly oset imported water. In the Bay‐Delta system, this could mean increased

outlow through the San Francisco Bay helping to reduce salinity and improe habitat

or ish and other species. In addition to the non‐listed species mentioned aboe,there

are 21 ederally listed threatened and endangered species in the Bay‐Delta that would

beneit rom the reduction in imported water reuired by the Padre Dam MWD.

The ower Colorado Rier is home to six ederally listed endangered or threatened

species. As described aboe, decreasing the importation o water rom the Colorado

Rier could improe both the uality and uantity o water there and lead to improed

habitat or the ederally listed species.

20
                 

         

                             

               

                       

                 

                     

                     

                       

                       

                      

         

       

                               

                         

                           

                       

                         

                           

                     

   

                           

   

                             

                         

                       

                         

                       

                           

                         

                     

                       

                       

                 

                      

                   

                 

                 

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

4. Will the Project reduce threats to native fish or wildlife, their habitat, or water supply

reliability, caused by invasive species? If so, how?

The project will indirectly reduce threats caused by inasie species to natie

ecosystems and their water supplies by reducing diersions rom natural watercourses.

eeping more lows in these waterways proides or a healthier ecosystem, which in

turn supports natie species and minimies inasie species. ealthy ecosystems and

natie species are generally better able to resist inasion. Additionally, by reducing

diersions, these systems are better able to maintain their natural hydrology, which

reduces the opportunity or inasie species to ind a niche and become established.

1.3.3 Evaluation Criterion 3: Economic Benefits

1.3.3.1 Subcriterion No.3a – Cost Effectiveness

Padre Dam MWD has determined the costs o the Title XVI Project and its beneits based on

planning documents and updated cost estimates. Cost estimates were reised in 2018 to

relect the changes to the project, including the increased capacity o the Ray Stoyer WRF

expansion and the shit rom groundwater recharge to SWA as the enironmental buer.

Project costs are presented in 2018 dollars or consistency with the preious yearǯs FOA.

1. Reclamation will calculate the cost per acre‐foot of water produced by the Project using

information provided by Projectsponsors. Please provide the following information for

this calculation:

(a) The total estimated construction costs, by year, for the Project (include all previous and

planned work).

Construction costs by year or the Title XVI Project are listed in Table 1‐6 below, and are

based on cost estimates proided in the projectǯs Facilities Planning Report (Padre Dam

MWD, 201͙a), and reised based on coordination with Reclamation related to Padre

Dam MWDǯs F201͚ through F2019 grant awards, as well as changes made to the

Project since the Facilities Planning Report was deeloped. The total construction cost

or the Title XVI Project is ͂109,000,199, all o which is anticipated to be spent between

2021 and 202͘. No preious construction work has been completed or the Title XVI

project. The projectincludes construction o our project components: Ray Stoyer WRF

Expansion (Phase IA‐1), the AWP Facility (Phase IA‐2), AWP Coneyance Pipeline and

Pump Station (Phase IB), and Biosolids Digestion Facility (Phase IC), described in

Section 1.2.3 Phase I Project. Construction cost estimates or each o these components,

along with a summary o the acilities that will be constructed is as ollows.

 Phase IA‐1 Ray Stoyer WRF Expansion: Primary and secondary processes,

tertiary process, and IPS expansion, associated appurtenances (͂29.2 million)

 Phase IA‐2 AWP Facility: AWP treatment process and associated appurtenances

(͂3͙.͘ million)

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

 Phase IB AWP Coneyance and Pump Station: AWP coneyance pipeline and

pump station (͂2͚.9 million)

 Phase IC Biosolids Digestion Facility: Solids handling processes at the expanded

Ray Stoyer WRF, biosolids digester (͂17.͘ million)

Construction will begin by the ourth uarter o 2021 and will be completed by the end

o 202͘. Water delieries will begin immediately ollowing completion o construction

o Phases IA and IB, with the irst ull year o delieries in 202͙.

Table 1‐6: Total Construction Costs by Year for Title XVI Project

Calendar

Year

Construction Activity Cost

2021 Ray Stoyer WRF Expansion, AWP Facility, AWP Pipeline

and Pump Station, and Biosolids Digestion Facility ͂7,000,000

2022 Ray Stoyer WRF Expansion, AWP Facility, AWP Pipeline

and Pump Station, and Biosolids Digestion Facility ͂3͚,͙00,000

2023 Ray Stoyer WRF Expansion, AWP Facility, AWP Pipeline

and Pump Station, and Biosolids Digestion Facility ͂3͚,7͚1,͘0͚ 

202͘  Ray Stoyer WRF Expansion, AWP Facility, AWP Pipeline

and Pump Station, and Biosolids Digestion Facility

͂ 28,738,793

Total $109,000,199

(b) The total estimated or actual coststo plan and design the Project. Note: Thisshould not

include the cost to complete a feasibility study that meets the requirements of

Reclamation’s Directives and Standards WTR 11‐01, Title XVI Water Reclamation and

Reuse Program Feasibility Study Review Process.

The total planning and design costs  or the Title XVI Project is approximately  ͂23.3

million. Table 1‐7 below details these costs broken down by year. Preiously completed

design and planning work includes the Ray Stoyer WRF Planning Study done as part o 

the Comprehensie Facilities Master Plan, completed in 201͘ at a cost o ͂27,͘93Ǣ the

201͙  MND  or the Phase IA‐1 and IA‐2 components o  the Title XVI Project was

completed at a cost o ͂8͘,͚7͚Ǣ and initial planning (including the 2017 PEIR and 2018

MND) and preliminary design or all our phases o the project, at a cost o ͚͂,͚͚͘,͚30.

Through December 2019, Padre Dam MWD has spent  ͂8,917,͘͘7  or planning and

design work on the Title XVI Project. Planning and design costs are based on the actual

costs spent to‐date (through December 2019) along with estimates included in the

projectǯs Padre Dam Water Recycling Facility Phase 1 Expansion Facilities Planning Report

(Padre Dam MWD, 201͙a), and as updated by Padre Dam MWD oer the last ew years.

This Title XVI project is part o the San Diego Area Water Reclamation Program and

was authoried under ͘3 SC 390h‐10 in 1992 under the Reclamation Wastewater and

Groundwater Study and Facilities Act o  1992. Because the Title XVI Project was

authoried prior to 199͚, a easibility study is not reuired.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐7: Total Planning and Design Costs by Year for Title XVI Project

Year Planning or Design Activity Cost

2014 Ray Stoyer WRF Planning Study  ͂27,͘93

2015 Phase IA MND  ͂8͘,͚7͚ 

2016 Ray Stoyer WRF Expansion pre‐design, NEPA approalǢ AWP

Facility pre‐design and NEPA approalǢ AWP pipeline alignment

study and Basis o DesignǢ Biosolids Digestion Facility easibility

studyǢ PEIR or Title XVI Project

͂1,922,͚30

2017 Ray Stoyer WRF Expansion pre‐designǢ AWP Facility pre‐designǢ 

AWP Coneyance and Pump Station enironmental

documentation and pre‐designǢ and Biosolids Digestion Facility

design and enironmental documentation

͂2,172,000

2018 Ray Stoyer WRF Expansion pre‐designǢ AWP Facility pre‐designǢ 

AWP Coneyance and Pump Station pre‐design and enironmental

documentationǢ Biosolids Digestion Facility and brine

management acilities pre‐design and enironmental

documentationǢ Tiered MND or Title XVI Project

͂2,0͙2,000

2019 Ray Stoyer WRF Expansion pre‐design updateǢ AWP Facility pre‐

design updateǢ AWP Coneyance and Pump Station pre‐design

updateǢ Biosolids Digestion Facility and brine management

acilities pre‐design updateǢ CEA‐Plus documentation or Title XVI

ProjectǢ preparation o design‐build solicitation documents and

release o Reuest o ualiication and Reuest o Proposal or

the design‐build contractǢ and Title 22 Engineering Report

preparation

͂2,͚͙8,͚͘8

2020 Ray Stoyer WRF Expansion, AWP Facility, AWP Coneyance and

Pump Station, Biosolids Digestion Facility and brine management

acilities inal Basis o Design documentation by the design‐build

contractor and start o design actiities.

͂͘,22͘,200

2021 Ray Stoyer WRF Expansion design and permittingǢ AWP Facility

design and permittingǢ AWP Coneyance and Pump Station design

and permittingǢ Biosolids Digestion Facility and brine management

acilities design, and permitting

͂8,12͘,238

2022 Ray Stoyer WRF Expansion inal design and permittingǢ AWP

Facility inal design and permittingǢ AWP Coneyance and Pump

Station inal design and permittingǢ Biosolids Digestion Facility and

brine management acilities inal design, and permitting

͂2,031,0͚0

Total $23,296,945

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

(c) The average annual operation and maintenance costs for the life of the Project. Please

do not include the periodic replacement costs in the operation and maintenance costs.

Periodic replacement costs should be provided separately in response to (f) below.

Note: this is an annual cost – not total cost.

Annual OƬM costs or the Title XVI project oer the project lie are approximately ͂7

million per year. OƬM costs include chemical costs such as chlorine and labor. Aerage

annual OƬM costs or the Title XVI Project are presented in Table 1‐8. Note that OƬM

costs are slightly less in the cost per AF analysis (Subcriterion No. 3a. 2(b)) because o 

the cost saings associated with the use o energy produced by the project.

Table 1‐8: Average Annual O&M Costs for the Title XVI Project

Project Component Estimated Annual O&M

Cost (excluding

Replacement Costs)

Phase IA‐1 Ray Stoyer WRF Expansion

IPS Expansion $417,000

WRF Primary & Secondary Processes $573,000

Additional Labor $525,000

WRF Tertiary Treatment & Disinfection $171,000

Phase IA‐2 AWP Facility

AWP Facility $2,608,000

Brine Disposal to Metro $216,000

Additional Labor $910,000

Phase IB AWP Pipeline and Pump Station

Pipeline $100,000

Pump Station $490,000

Phase IC Biosolids Digestion Facility

WRF Solids Handling Processes $296,000

Solids Disposal $440,000

Centrate Disposal $394,000

Total O&M Costs $7,140,000

(d) The year the Project will begin to deliver reclaimed water.

The Title XVI Project will begin delieries o potable reuse water at the end o 202͘,

with the irst ull year o delieries anticipated in 202͙.

(e) The projected life (in years) that the Project is expected to last. Note: this should be

measured from the time the Project starts delivering water.

The Title XVI Projectǯs project lie is expected to last or ͚0 years, rom beginning o 

irst ull year o delieries in 202͙ to 208͘. Full project deliery o 3,900 AF rom the

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Phase I Title XVI Project is expected to extend throughout the project lietime. As

additional phases or the East County AWP Program are implemented, total potable

reuse olumes produced at the Ray Stoyer WRF will increase.

(f) All estimated replacement costs by year as shown in Table 1‐9.

The Title XVI Project achiees two goals: water production to oset imported water

demands and wastewater treatment that osets lows to the Metro System. Costs or

these two serices, both included in the Title XVI Project, are presented  or each

serice, as well as an oerall Title XVI Project cost. A summary o the timing o the

replacement costs are proided in Table 1‐9, and total replacement costs by year are

presented in Table 1‐10. The timing and costs or replacement are based on an analysis

rom  ennedyȀ
enks that were rolled into the oerall OƬM costs presented in the

Padre Dam Water Recycling Facility Phase 1 Expansion Facilities Planning Study (Padre

Dam MWD, 201͙a).

Table 1‐9: Replacement Cost Timing

Description of Replacement

Requirement

Replacement

Frequency

Cost Service

Generator Oerhaul Eery ͙ years  ͙͂0,000 Wastewater Treatment

and Water Production

IPS igh ead Pumps Eery 10 years  ͂2͚2,000 Wastewater Treatment

IPS ow ead Pumps Eery 10 years  ͂3͚8,000 Wastewater Treatment

Chemical Feed Pumps at Ray

Stoyer WRF

Eery 10 years  ͂͘0,000 Water Production

MF Membranes Eery 10 years  ͂1,0͚͚,000 Water Production

RO Membranes Eery ͙ years  ͂͘1͘,000 Water Production

V Bulbs Eery year  ͂9͘,000 Water Production

V Ballast Eery 10 years  ͂82,000 Water Production

ake ennings Dechlorination

System Replacement

Eery 10 years  ͂82,000 Water Production

Primary Clariier Sludge Pumps Eery 10 years  ͂10͙,000 Wastewater Treatment

Primary Clariier Sump Pumps Eery 10 years  ͂12,000 Wastewater Treatment

Aeration Basin Internal Recycle

Pumps

Eery 10 years  ͂112,000 Wastewater Treatment

Secondary Clariier Sump Pumps Eery 10 years  ͂1͚,000 Wastewater Treatment

Secondary Clariier RAS Pumps Eery 10 years  ͂72,000 Wastewater Treatment

Eualiation Basin Pumps Eery 10 years  ͚͚͂,000 Wastewater Treatment

Odor Control System Oerhaul Eery 10 years  ͂7͙,000 Wastewater Treatment

Aeration Basin Blowers Eery 1͙ years  ͙͂͘0,000 Wastewater Treatment

Puriied Water to ake ennings Eery 1͙ years  ͂͘͘8,000 Water Production

Tertiary Filter Pumps Eery 1͙ years  ͂1͙,000 Water Production

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐10: Estimated Replacement Costs by Year1

Year Cost Year Cost Year Cost

2029  ͚͂͘3,͚͚͘ 20͘9  ͚͂͘3,͚͚͘ 20͚9  ͂1,1͙2,͚͚͘ 

203͘  ͂2,821,97͘  20͙͘ ͂3,͙10,97͘  207͘  ͂2,821,97͘ 

2039  ͂1,1͙2,͚͚͘  20͙9  ͚͂͘3,͚͚͘ 2079  ͚͂͘3,͚͚͘

20͘͘ ͂2,821,97͘  20͚͘ ͂2,821,97͘  208͘  ͂3,͙10,97͘ 

1 Annual replacement costs are incorporated into annual OƬM

(g) The maximum volume of water (in acre‐feet) that will be produced upon completion of

the Project.

The Title XVI Project will begin producing waterin late 202͘, with ull delieries o 3,900

AF starting in 202͙, and continue to produce that uantity or the expected liespan

o the project,  ͚0 years, until 208͘. Title XVI Project will create 3,900 AF  o  new

potable water supply atthe AWP Facility. Following completion o the Title XVI Project,

the Ray Stoyer WRF will produce 2,01͚  AF  recycled water (the same amount it

currently produces) and 3,900 AF adanced treated water or potable reuse rom the

Phase IB component o the Title XVI Project, or a total production o ͙,91͚ AF o 

recycled water (potable and non‐potable).

2. Reclamation will calculate the cost per acre‐foot for the Title XVI Project using the

information requested in question No. 1 and compare it to the nonreclaimed water

alternative, and other water supply options identified by the applicant to evaluate the

cost effectiveness of the Project. Please provide the following information for this

comparison:

(a) A description of the conditions that exist in the area and projections of the future with,

and without, the Project.

As preiously described, Padre Dam MWD purchases the entirety o  its potable

supplies rom SDCWA. The bulk o these supplies are imported rom the Colorado Rier

and the SWP. Padre Dam MWDǯs opportunities  or expanding its local supplies are

limited, and as a result hae deeloped the Title XVI Project to create new potable

water through potable reuse o recycled water. Without the Title XVI Project, Padre

Dam will continue to purchase water rom SDCWA to meet potable demands and will

be subject to substantial projected cost increases associated with continued reliance

on imported water.

(b) Provide the cost per acre‐foot of other water supply alternatives that could be

implemented by the non‐Federal Projectsponsorin lieu ofthe Project,this mustinclude,

but is not limited to, one nonreclaimed water alterative that would satisfy the same

demand as the Project. Other water supply alternatives beyond one nonreclaimed

water alternative are not required, but may be provided where available to

demonstrate the cost effectiveness of the Project.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

The Title XVI Project has a single water supply alternatie, to continue purchasing

potable water rom SDCWA. This non‐reclaimed water alternatie also results in the

need to continue to send wastewater  lows to the Metro System  or treatment.

Thereore, the Title XVI Projectǯs wastewater treatment serice is compared to the

alternatie o sending wastewater to the Metro System, while the Title XVI Projectǯs

water production serice is compared to the cost o purchasing imported water to

meet demands when considering the non‐reclaimed water alternatie. The cost per

acre oot o water produced by the Title XVI Project is calculated on an annual basis by

summing annual OƬM costs, replacement costs, and debt serice costs, and diiding

by the annual  olume o  wastewater treated or water produced. Debt serice will

repay an anticipated 30‐year term SRF loan and assumes a 2Ψ interest rate. Note that

energy osets rom Phase IC will reduce OƬM costs by reducing energy costs.

Wastewater Treatment Serices Costs

Following completion o the Title XVI Project, the Ray Stoyer WRF will hae increased

its treatment capacity by approximately ͘.0 MGD, or 1,͚͘0 MG per year. Wastewater

treatment serices costs, to be borne by the Project, include the costs associated with

treating wastewater through secondary, which is a higher leel o treatment than that

proided by the alternatie o treating wastewaters at Point oma WWTP included in

the Metro System. Costs or the Title XVI Projectǯs wastewater treatment serices are

presented in Table 1‐11. Debt serice or the wastewater treatment serices includes

repayment o a ͂37 million 30‐year SRF loan with a 2Ψ interest rate. This is based on the

capital costs  or the wastewater treatment components o  the project, less the

presumed Title XVI grant unds that would be awarded by Reclamation and secured

Proposition 8͘ IRWM grant unds. Total capital costs or the components proiding

wastewater treatment serices are ͙͚͂.͙ million, with ͂19.͙ million assumed in grant

unds based on  unding awarded and applied  or. OƬM costs  or the wastewater

components hae been identiied as the replacement costs presented in Table 1‐9,

aboe, and annual costs including operation, maintenance, chemicals, and labor. On

aerage, annual wastewater treatment costs include ͂1.͚͙ million debt serices and

͂2.͚͘ million OƬM costs (including replacement costs). Note that or the purposes o 

this analysis, replacement costs incurred on an annual basis (i.e. miscellaneous

instrumentation, electrical, and mechanical) are considered part o normal OƬM and

are not included in the replacement costs.

The alternatie to treating wastewater at the Ray Stoyer WRF expanded in Phase IA is

to continue to send wastewater lows to the City o  San Diego Metro System  or

coneyance and treatment at Point oma WWTP. Metro Systemǯs treatment costs are

projected to increase signiicantly oer the next ew years due to planned system

upgrades under the City o San Diegoǯs Pure Water Program. The Pure Water Program

is a potable reuse program similarto the Padre Dam MWDǯs East County AWP Program.

In orderto generate potable reuse water, the City o San Diego is planning to construct

27
                 

         

                               

               

               

                   

                             

                       

                           

                   

                     

                   

                          

                   

                       

                         

                         

                   

                       

       

                     

                     

                     

                     

                       

                 

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

approximately 108 MGD capacity (38 MGD in Phase 1 and 70 MGD in Phase 2) new

wastewater treatment acilities and pump stations upstream o Point oma WWTP to

generate tertiary treated recycled water to  eed AWP  acilities. These wastewater

related improements are driing the unit wastewater treatment cost up  or the

participating agencies to the Metro System, which Padre Dam MWD is part o. Phase 1

o the Pure Water Program (with potable reuse production capacity o  30 mgd) is

expected to be online by 2023 and is expected to increase the wastewater treatment

costs to approximately ͙͂,͙00ȀMG until the implementation o Phase 2 o Pure Water

Program (with additional potable reuse production capacity o ͙3 mgd) in 203͙ when

the Metro System treatment cost is projected to exceed ͂10,000ȀMG (in 203͙ dollars,

euialent to ͂9,218 in 2018 dollars). Costs to send wastewater to the Metro System

are anticipated to aerage ͂10,288ȀMG wastewater during the course o the Title XVI

Projectǯs lie. This cost projection is based on ͙‐year Metro System cost projections

proided by the City o San Diego or Phase 1 and the initial inancial modeling results

deeloped by Padre Dam MWD or Phase 2 o Pure Water Program impacts. Gien the

source data did not extend through the  ull  ͚0‐year project lie, a conseratie

approach was taken where projected Metro System disposal costs were not escalated

or the years 20͘0‐208͘.

Table 1‐11 proides an estimate o annual costs or the Title XVI Projectǯs wastewater

treatment serices compared to the costs o continuing to send wastewater lows to

the Metro System. The inal column proides discounted alue, using a discount rate

o 2.7͙0Ψ, per the .S. Federal Registerǯs Fiscal ear 2018 (.S. Federal Register, 2018).

Oer the ͚0‐year project lie, the Title XVI Project will proide an aerage saing o 

͂2,917ȀMG (͂9͙1ȀAF) wastewater treated in net present alue (2018 dollars).

28
Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐11: Wastewater Treatment Services Costs

Title XVI Average Annual Average Annual Project WW Annual Cost for Savings Annual Replacement Debt Total Discounted Year(s) Wastewater Treatment WW Treatment From Title O&M Costs Service Annual Cost Savings Treated (MG) Annual Cost at Metro XVI Project

($/MG) System ($/MG)1 ($/MG) ($/MG)1,2

202͙‐2028 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 1,͚͙0,228  ͂͘,1͙1,170  ͂ 2,8͘3 ͙͂,712 ͂2,279 ͂2,8͚9

2029 1͚͘0  ͂ 2,͙00,9͘2  ͂ 2͙,000  ͂ 1,͚͙0,228  ͂͘,17͚,170  ͂ 2,8͚0 ͙͂,9͙8  ͂3,098  ͂2,298

2030‐2033 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 1,͚͙0,228  ͂͘,1͙1,170  ͂ 2,8͘3 ͚͂,8͘0  ͂3,99͚  ͂2,7͙9

203͘ 1͚͘0  ͂ 2,͙00,9͘2  ͂ 1,113,000  ͂ 1,͚͙0,228  ͙͂,2͚͘,170  ͂ 3,͚0͚  ͂8,109  ͂͘,͙0͘  ͂2,918

203͙‐2038 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 1,͚͙0,228  ͂͘,1͙1,170  ͂ 2,8͘3 ͂9,797  ͚͂,9͙3  ͂͘,19͚ 

2039 1͚͘0  ͂ 2,͙00,9͘2  ͂͘7͙,000  ͂ 1,͚͙0,228  ͂͘,͚2͚,170  ͂ 3,1͚9 ͂10,9͚͚  ͂7,797 ͂͘,͘11

20͘0‐20͘3 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 1,͚͙0,228  ͂͘,1͙1,170  ͂ 2,8͘3 ͂8,͚͘2 ͂͘,͘7͙ ͂11,30͙ 

20͘͘ 1͚͘0  ͂ 2,͙00,9͘2  ͂ 1,113,000  ͂ 1,͚͙0,228  ͙͂,2͚͘,170  ͂ 3,͚0͚  ͂11,30͙  ͂7,700 ͂3,803

20͙͘‐20͘8 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 1,͚͙0,228  ͂͘,1͙1,170  ͂ 2,8͘3  ͂ 11,30͙  ͂8,͚͘2 ͂3,907

20͘9 1͚͘0  ͂ 2,͙00,9͘2  ͂ 2͙,000  ͂ 1,͚͙0,228  ͂͘,17͚,170  ͂ 2,8͚0  ͂ 11,30͙  ͂8,͙͘͘ ͂3,͚͘2

20͙0‐20͙3 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 1,͚͙0,228  ͂͘,1͙1,170  ͂ 2,8͘3  ͂ 11,30͙  ͂8,͚͘2 ͂3,͘12

20͙͘ 1͚͘0  ͂ 2,͙00,9͘2  ͂ 1,͙͚3,000  ͂ 1,͚͙0,228  ͙͂,71͘,170  ͂ 3,91͘  ͂11,30͙  ͂7,391 ͂2,783

20͙͙‐20͙8 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 0  ͂ 2,͙00,9͘2  ͂ 11,30͙  ͂9,͙92 ͂3,377 ͂ 1,713

20͙9 1͚͘0  ͂ 2,͙00,9͘2  ͂ 2͙,000  ͂ 0  ͂ 2,͙2͙,9͘2  ͂ 1,730  ͂ 11,30͙  ͂9,͙7͙  ͂3,1͘8

20͚0‐20͚3 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 0  ͂ 2,͙00,9͘2  ͂ 1,713  ͂ 11,30͙  ͂9,͙92 ͂2,9͘9

20͚͘ 1͚͘0  ͂ 2,͙00,9͘2  ͂ 1,113,000  ͂ 0  ͂ 3,͚13,9͘2  ͂ 2,͘7͙  ͂11,30͙  ͂8,830 ͂2,͙3͙ 

20͚͙‐20͚8 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 0  ͂ 2,͙00,9͘2  ͂ 1,713  ͂ 11,30͙  ͂9,͙92 ͂2,͙7͙ 

20͚9 1͚͘0  ͂ 2,͙00,9͘2  ͂͘7͙,000  ͂ 0  ͂ 2,038  ͂ 11,30͙  ͂9,2͚7 ͂2,323 ͂ 2,97͙,9͘2

2070‐2073 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 0  ͂ 2,͙00,9͘2  ͂ 1,713  ͂ 11,30͙  ͂9,͙92 ͂2,2͘8

207͘ 1͚͘0  ͂ 2,͙00,9͘2  ͂ 1,113,000  ͂ 0  ͂ 3,͚13,9͘2  ͂ 2,͘7͙  ͂11,30͙  ͂8,830 ͂1,933

207͙‐2078 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 0  ͂ 2,͙00,9͘2  ͂ 1,713  ͂ 11,30͙  ͂9,͙92 ͂1,9͚3

2079 1͚͘0  ͂ 2,͙00,9͘2  ͂ 2͙,000  ͂ 2,͙2͙,9͘2  ͂ 1,730  ͂ 11,30͙  ͂9,͙7͙  ͂1,830 ͂ 0

2080‐2083 1͚͘0  ͂ 2,͙00,9͘2  ͂ 0  ͂ 0  ͂ 2,͙00,9͘2  ͂ 1,713  ͂ 11,30͙  ͂9,͙92 ͂1,71͘ 

208͘ 1͚͘0  ͂ 2,͙00,9͘2  ͂ 1,͙͚3,000  ͂ 0  ͂͘,0͚3,9͘2  ͂ 2,78͘  ͂11,30͙  ͂8,͙22 ͂1,͘22

Average $2,330 $10,198 $7,867 $2,917

1 Due to annual ariability, an aerage was used or the years indicated.2 Discount rate o 2.7͙0Ψ was used, per the .S. Federal Registerǯs Fiscal ear 2018 (.S. Federal Register, 2018).

29
                 

         

       

                     

                   

                         

                     

  

                     

                         

                     

                     

                     

                   

                   

                   

                   

                         

  

                           

                   

                           

                         

                     

                       

                     

                   

                     

               

                   

                     

                         

                           

                             

                     

                 

                       

                   

                     

                   

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Water Production Serices Costs

The Title XVI Project will proide water production serices by treating secondary lows

produced by the wastewater treatment serices components to tertiary recycled

water and adanced puriied water. This water will hae beneicial reuse as potable

supplies and will oset Padre Dam MWDǯs demands  or imported water purchased

rom SDCWA.

Costs or water production are those costs to treat rom secondary through tertiary

and adanced puriication. As noted in Section 1.2 Technical Project Description,the Title

XVI Project will produce 3,900 AF  o  adanced treated water. Costs include debt

serices, OƬM, and replacement costs. As with the debt serice or the wastewater

treatment components, debt serice or water production is based on the total capital

costs  or the water production components (͂7͙.8 million), less assumed grant

unding (͂19.͙ million). The remaining capital costs will be unded through a 30‐year

SRF loan, with a conseratie assumption o  a 2Ψ  interest rate. Replacement costs

include those identiied in Table 1‐9, aboe, while OƬM costs include operations,

maintenance, supplies, labor, chemicals, cost to send brine to the Metro System, and

annual replacement costs.

The alternatie to water production ia the Title XVI Project is to continue to purchase

imported water rom SDCWA. Imported water costs are calculated based on alues

rom SDCWA that include the costs to transport, treat, and delier imported water to

member agencies, and are presented in Table 1‐12. Padre Dam MWD and elix Water

District hae completed an extensie analysis o SDCWAǯs projected costs based on

SDCWA 201͙ ong Range Financing Plan as the starting basis or the orecast and the

May 2017 Member Agency Managers meeting presentation. Costs include a melded

supply rate, transportation, storage, and customer serice  ees, and escalated to

relect the increasing costs o imported water associated with supply limitations due

to increased conseration regulations, rebound o  sales  rom drought leels, and

inrastructure improements due to the Caliornia WaterFix project and other capital

improement projects, along with inlation. The projection also includes rate impacts

rom SDCWA member agencies that will opt‐out as they are deeloping local water

supply projects in the uture (such as City o San Diego with their Pure Water Program)

rom the system. This analysis extended costs to 20͙͘. Gien the source data did not

extend through the ull ͚0‐year project lie, a conseratie approach was taken where

projected SDCWA costs were not escalated or the years 20͚͘‐208͘.

Table 1‐13 proides an estimate o  annual costs  or the Title XVI Projectǯs water

production serices compared to the costs o purchasing an eual olume o imported

water. The inal column proides discounted alue, using a discount rate o 2.7͙0Ψ, per

the .S. Federal Registerǯs Fiscal ear 2018 (.S. Federal Register, 2018). Oer the ͚0‐

30
Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

year project lie, the Title XVI Project will proide an aerage saing o ͂1,131ȀAF water

produced in net present alue (͂3,20͘ȀAF without discounting).

Table 1‐12: Cost per Acre‐Foot of Imported Water

Year Cost Year Cost per Year Cost per Year Cost

per AF AF AF per AF

2025 ͂2,3͙͘  2040 ͂͘,30͙  2055 ͙͂,2͚8   2070 ͙͂,2͚8  

2026 ͂2,͘8͘  2041 ͂͘,͘83   2056 ͙͂,2͚8   2071 ͙͂,2͚8  

2027 ͂2,͙90   2042 ͂͘,͚͚9   2057 ͙͂,2͚8   2072 ͙͂,2͚8  

2028 ͂2,͚8͘  2043 ͂͘,8͙9   2058 ͙͂,2͚8   2073 ͙͂,2͚8  

2029 ͂2,78͘  2044 ͙͂,0͙9   2059 ͙͂,2͚8   2074 ͙͂,2͚8  

2030 ͂2,889   2045 ͙͂,2͚8   2060 ͙͂,2͚8   2075 ͙͂,2͚8  

2031 ͂2,999   2046 ͙͂,2͚8   2061 ͙͂,2͚8   2076 ͙͂,2͚8  

2032 ͂3,11͘  2047 ͙͂,2͚8   2062 ͙͂,2͚8   2077 ͙͂,2͚8  

2033 ͂3,23͚  2048 ͙͂,2͚8   2063 ͙͂,2͚8   2078 ͙͂,2͚8  

2034 ͂3,3͚3   2049 ͙͂,2͚8   2064 ͙͂,2͚8   2079 ͙͂,2͚8  

2035 ͂3,͘9͚  2050 ͙͂,2͚8   2065 ͙͂,2͚8   2080 ͙͂,2͚8  

2036 ͂3,͚3͘  2051 ͙͂,2͚8   2066 ͙͂,2͚8   2081 ͙͂,2͚8  

2037 ͂3,779   2052 ͙͂,2͚8   2067 ͙͂,2͚8   2082 ͙͂,2͚8  

2038 ͂3,9͘7   2053 ͙͂,2͚8   2068 ͙͂,2͚8   2083 ͙͂,2͚8  

2039 ͂͘,122   2054 ͙͂,2͚8   2069 ͙͂,2͚8   2084 ͙͂,2͚8  

                 

         

                           

           

31
Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐13: Water Production Services Cost for the Title XVI Project

Year(s) Annual Water Annual Replacement Debt Total Annual Annual Cost Annual Savings Discounted

Production O&M Costs Service Annual Cost Cost Imported From Title XVI Savings

(AF) ($/AF) Water ($/AF)1 Project ($/AF) ($/AF)1,2

202͙‐2028 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 2,͙1͙,͘82  ͚͂,͙91,1͙͘ ͂1,͚90  ͂ 2,͙28 ͂838  ͚͚͂3

2029 3900  ͂͘,07͙,͚72  ͂͘38,͚͚͘ ͂2,͙1͙,͘82  ͂ 7,029,800  ͂ 1,803  ͂ 2,78͘  ͂728 ͂981

2030‐2033 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 2,͙1͙,͘82  ͚͂,͙91,1͙͘ ͂1,͚90  ͂ 3,0͚0  ͂1,3͚9  ͂9͘7

203͘ 3900  ͂͘,07͙,͚72  ͂ 1,708,97͘  ͂2,͙1͙,͘82  ͂ 8,300,128  ͂ 2,128  ͂ 3,3͚3 ͂1,23͙  ͂800

203͙‐2038 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 2,͙1͙,͘82  ͚͂,͙91,1͙͘ ͂1,͚90  ͂ 3,71͘  ͂2,02͘  ͂1,223

2039 3900  ͂͘,07͙,͚72  ͚͂77,͚͚͘ ͂2,͙1͙,͘82  ͂ 7,2͚8,800  ͂ 1,8͚͘ ͂͘,122 ͂2,2͙8 ͂1,277

20͘0‐20͘3 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 2,͙1͙,͘82  ͚͂,͙91,1͙͘ ͂1,͚90  ͂͘,͙79 ͂2,889  ͂1,͙2͘ 

20͘͘ 3900  ͂͘,07͙,͚72  ͂ 1,708,97͘  ͂2,͙1͙,͘82  ͂ 8,300,128  ͂ 2,128  ͙͂,0͙9 ͂2,930 ͂1,͘͘7

20͙͘‐20͘8 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 2,͙1͙,͘82  ͚͂,͙91,1͙͘ ͂1,͚90  ͂3,͙78 ͂1,͚͙2   ͙͂,2͚8

20͘9 3900  ͂͘,07͙,͚72  ͂͘38,͚͚͘ ͂2,͙1͙,͘82  ͂ 7,029,800  ͂ 1,803  ͙͂,2͚8  ͂3,͚͚͘  ͂1,͘9͙ 

20͙0‐20͙3 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 2,͙1͙,͘82  ͚͂,͙91,1͙͘ ͂1,͚90  ͙͂,2͚8  ͂3,͙78 ͂1,͘͘3

20͙͘ 3900  ͂͘,07͙,͚72  ͂ 1,9͘7,97͘  ͂2,͙1͙,͘82  ͂ 8,͙39,128  ͂ 2,190  ͙͂,2͚8  ͂3,72͘  ͂1,1͙9

20͙͙‐20͙8 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 0  ͂͘,07͙,͚72 ͙͂,2͚8  ͂͘,223 ͂1,͘87 ͂ 1,0͙͘

20͙9 3900  ͂͘,07͙,͚72  ͂͘38,͚͚͘ ͂0  ͂͘,͙1͘,318  ͂ 1,1͙8  ͙͂,2͚8  ͂͘,111 ͂1,3͙2

20͚0‐20͚3 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 0  ͂͘,07͙,͚72  ͂ 1,0͙͘ ͙͂,2͚8  ͂͘,223 ͂1,298

20͚͘ 3900  ͂͘,07͙,͚72  ͂ 1,708,97͘  ͂0  ͙͂,78͘,͚͚͘ ͂1,͘83  ͙͂,2͚8  ͂3,78͙  ͂1,087

20͚͙‐20͚8 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 0  ͂ 1,0͙͘ ͙͂,2͚8  ͂͘,223 ͂1,133   ͂͘,07͙,͚72

20͚9 3900  ͂͘,07͙,͚72  ͚͂77,͚͚͘ ͂0  ͂͘,7͙3,318  ͂ 1,219  ͙͂,2͚8  ͂͘,0͘9  ͂1,01͙ 

2070‐2073 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 0  ͂͘,07͙,͚72  ͂ 1,0͙͘ ͙͂,2͚8  ͂͘,223 ͂990

207͘ 3900  ͂͘,07͙,͚72  ͂ 1,708,97͘  ͂0  ͙͂,78͘,͚͚͘ ͂1,͘83  ͙͂,2͚8  ͂3,78͙  ͂828

207͙‐2078 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 0  ͂͘,07͙,͚72  ͂ 1,0͙͘ ͙͂,2͚8  ͂͘,223 ͂8͚͘

2079 3900  ͂͘,07͙,͚72  ͂͘38,͚͚͘   ͂͘,͙1͘,318  ͂ 1,1͙8  ͙͂,2͚8  ͂͘,111 ͂78͚ ͂0

2080‐2083 3900  ͂͘,07͙,͚72  ͂ 0  ͂ 0  ͂͘,07͙,͚72  ͂ 1,0͙͘ ͙͂,2͚8  ͂͘,223 ͂7͙͙ 

208͘ 3900  ͂͘,07͙,͚72  ͂ 1,9͘7,97͘  ͂0  ͚͂,023,͚͚͘ ͂1,͙͙͘  ͙͂,2͚8  ͂3,72͘  ͚͂21

Average Costs ($/AF) $1,427 $4,605 $3,204 $1,131

1 An aerage was used or the date range shown due to annual ariability in the costs.

2 Discount rate o 2.7͙0Ψ was used, per the .S. Federal Registerǯs Fiscal ear 2018 (.S. Federal Register, 2018).

32
                 

         

         

                       

                       

                         

               

                   

                         

                         

                           

                               

                             

                       

                           

                           

                     

                     

                     

                           

                   

        

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Oerall Title XVI Project Costs

The aerage annual OƬM (without replacement) costs  or the Title XVI Project is

estimated to be ͚͂.͙8 million (with a portion o the Projectǯs energy demands oset

by Phase IC). Applying this  alue oer the ͚0‐year project lie, total OƬM costs are

anticipated to be  ͂39͙  million. Replacement costs are anticipated to aerage

approximately ͂37͙,000 per year oer the course o the project lie, or approximately

͂22.͙ million total. Debt serice will repay an anticipated 30‐year term SRF loan, and

assumes a 2Ψ interest rate. Annual debt serice or the irst 30 years o the Title XVI

Project lie is anticipated to eual ͂͘,1͚͙,710. Once the SRF loan is repaid, debt serice

will no longer apply to the Title XVI project. Throughout the Title XVI Project lie, total

olume o water produced will be 3,900 AF. The aerage cost per AF o the Title XVI

Project oer its entire lie is  ͂2,31͚ȀAF (not discounted). Table 1‐14 summaries the

annual cost per acre‐oot, while Table 1‐15 breaks down annual costs by year to proide

an aerage annual cost per AF. Both tables present a comparison o the Title XVI

Projectǯs total costs with those o  the non‐reclaimed water alternatie to send

wastewater to the Metro System and continued purchases o  imported water. The

Title XVI Project proides cost saings compared to the alternaties both immediately

and oer the long term, with an aerage o  ͂2,0͘8ȀAF saings oer the lie o the

Project (present  alue, at a 2.7͙0Ψ  discount rate) and a total cost saings o 

approximately ͂͘80 million in present alue.

33
Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐14: Annual Cost per AF of Water from Title XVI Project

Alternative Costs Discounted Annual Annual (Wastewater Annual Annual Wastewater Annual Water Annual Savings Water Total Annual Treatment at Metro Savings Year(s) Treatment Services Production Cost from Title Produced Cost System + Imported from Title Costs Costs ($/AF) XVI Project (AF) Water Purchases; ($/AF) ($/AF) XVI Project ($/AF)

202͙‐2028 3900 ͂͘,1͙1,170 ͚͂,͙91,1͙͘  ͂10,7͘2,32͘  ͂2,7͙͘  ͂͘,389 ͂1,29͚ ͂1,͚3͙ 

2029 3900 ͂͘,17͚,170 ͂7,029,800 ͂11,20͙,970 ͂2,873 ͂͘,72͙  ͂1,8͙2  ͂1,37͘ 

2030‐2033 3900 ͂͘,1͙1,170 ͚͂,͙91,1͙͘  ͂10,7͘2,32͘  ͂2,7͙͘  ͙͂,288 ͂2,͙3͘  ͂1,7͙0

203͘ 3900 ͙͂,2͚͘,170 ͂8,300,128 ͂13,͙͚͘,298 ͂3,͘78 ͚͂,00͙  ͂2,͙27 ͂1,͚37

203͙‐2038 3900 ͂͘,1͙1,170 ͚͂,͙91,1͙͘  ͂10,7͘2,32͘  ͂2,7͙͘  ͚͂,90͚  ͂͘,1͙2 ͂2,͙0͚ 

2039 3900 ͂͘,͚2͚,170 ͂7,2͚8,800 ͂11,89͘,970 ͂3,0͙0 ͂͘,͚͙͘  ͂2,͚28 ͂7,͚9͙ 

20͘0‐20͘3 3900 ͂͘,1͙1,170 ͚͂,͙91,1͙͘  ͂10,7͘2,32͘  ͂2,7͙͘  ͂8,2͚3 ͙͂,͙08  ͂2,910

20͘͘ 3900 ͙͂,2͚͘,170 ͂8,300,128 ͂13,͙͚͘,298 ͂3,͘78 ͂8,7͘2 ͙͂,2͚͘  ͂2,͚00

20͙͘‐20͘8 3900 ͂͘,1͙1,170 ͚͂,͙91,1͙͘  ͂10,7͘2,32͘  ͂2,7͙͘  ͂8,9͙2 ͚͂,197  ͂2,8͚2

20͘9 3900 ͂͘,17͚,170 ͂7,029,800 ͂11,20͙,970 ͂2,873 ͂8,9͙2 ͚͂,079  ͂2,͚22

20͙0‐20͙3 3900 ͂͘,1͙1,170 ͚͂,͙91,1͙͘  ͂10,7͘2,32͘  ͂2,7͙͘  ͂8,9͙2 ͚͂,197  ͂2,͘99

20͙͘ 3900 ͙͂,71͘,170 ͂8,͙39,128 ͂1͘,2͙3,298 ͂8,9͙2 ͙͂,297  ͂1,99͙ ͂3,͚͙͙ 

20͙͙‐20͙8 3900 ͂2,͙00,9͘2 ͂͘,07͙,͚72 ͚͂,͙7͚,͚1͘  ͂1,͚8͚  ͂8,9͙2 ͂7,2͚͚  ͂2,͙͙8

20͙9 3900 ͂2,͙2͙,9͘2 ͂͘,͙1͘,318 ͂7,0͘0,2͚0 ͂1,80͙  ͂8,9͙2 ͂7,1͘7  ͂2,3͙0

20͚0‐20͚3 3900 ͂2,͙00,9͘2 ͂͘,07͙,͚72 ͚͂,͙7͚,͚1͘  ͂1,͚8͚  ͂8,9͙2 ͂7,2͚͚  ͂2,233

20͚͘ 3900 ͂3,͚13,9͘2 ͙͂,78͘,͚͚͘ ͂9,398,͙88 ͂2,͘10 ͂8,9͙2 ͚͂,͙͘2  ͂1,878

20͚͙‐20͚8 3900 ͂2,͙00,9͘2 ͂͘,07͙,͚72 ͂1,͚8͚  ͂8,9͙2 ͂7,2͚͚  ͂1,9͙0 ͚͂,͙7͚,͚1͘ 

20͚9 3900 ͂2,97͙,9͘2 ͂͘,7͙3,318 ͂7,729,2͚0 ͂1,982 ͂8,9͙2 ͚͂,970  ͂1,7͘7

2070‐2073 3900 ͂2,͙00,9͘2 ͂͘,07͙,͚72 ͚͂,͙7͚,͚1͘  ͂1,͚8͚  ͂8,9͙2 ͂7,2͚͚  ͂1,703

207͘ 3900 ͂3,͚13,9͘2 ͙͂,78͘,͚͚͘ ͂9,398,͙88 ͂2,͘10 ͂8,9͙2 ͚͂,͙͘2  ͂1,͘32

207͙‐2078 3900 ͂2,͙00,9͘2 ͂͘,07͙,͚72 ͚͂,͙7͚,͚1͘  ͂1,͚8͚  ͂8,9͙2 ͂7,2͚͚  ͂1,͘87

2079 3900 ͂2,͙2͙,9͘2 ͂7,0͘0,2͚0 ͂1,80͙  ͂8,9͙2 ͂7,1͘7  ͂1,3͚͚ ͂͘,͙1͘,318

2080‐2083 3900 ͂2,͙00,9͘2 ͂͘,07͙,͚72 ͚͂,͙7͚,͚1͘  ͂1,͚8͚  ͂8,9͙2 ͂7,2͚͚  ͂1,298

208͘ 3900 ͂͘,0͚3,9͘2 ͚͂,023,͚͚͘  ͂10,087,͙88 ͂2,͙87 ͂8,9͙2 ͚͂,3͚͙  ͂1,0͚2

Average Costs and Savings ($/AF) $2,316 $8,077 $5,761 $2,048

3͘ 
Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 1‐15: Annual Cost of Title XVI Project

Alternative Costs Annual Discounted (Wastewater Annual Savings Water Replacement Annual Cost Annual Year(s) Annual O&M Debt Service Treatment + from Project Produced Costs ($/AF) Imported Water ($/AF) (AF) Purchases; ($/AF) Savings from Project ($/AF)

202͙  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂͘,227  ͂ 1,͘72  ͂ 1,218

202͚  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂͘,307  ͂ 1,͙͙3  ͂ 1,2͙0

2027 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂͘,͚͘7  ͂ 1,3͘2 ͂ 1,713

2028 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂͘,͙͙͚  ͂1,802  ͂ 1,37͘ 

2029 3900  ͚͂,͙7͚,͚1͘  ͚͂͘3,͚͚͘ ͂͘,1͚͙,710  ͂ 2,873  ͂͘,72͙  ͂1,8͙2  ͂ 1,37͘ 

2030 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂͘,8͙͚  ͂2,101  ͂ 1,͙17

2031 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͙͂,107  ͂ 2,3͙3  ͂ 1,͚͙͘

2032 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͙͂,͘22  ͂ 2,͚͚8  ͂ 1,82͙ 

2033 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͙͂,7͚8  ͂ 3,013  ͂ 2,00͚ 

203͘  3900  ͚͂,͙7͚,͚1͘  ͂2,821,97͘  ͂͘,1͚͙,710  ͂ 3,͘78 ͂2,͙27  ͂ 1,͚37   ͚͂,00͙ 

203͙  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͚͂,170  ͂ 3,͘1͙  ͂2,1͙͘

203͚  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͚͂,899  ͂͘,1͘͘ ͂2,͙͘3

2037 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂7,1͘3  ͂͘,389  ͂ 2,͚21

2038 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂7,͘13  ͂͘,͚͙9  ͂ 2,708

2039 3900  ͚͂,͙7͚,͚1͘  ͂1,1͙2,͚͚͘ ͂͘,1͚͙,710  ͂ 3,0͙0  ͂ 7,͚9͙  ͂͘,͚͙͘ ͂2,͚28

20͘0 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂7,988  ͙͂,23͘  ͂2,882

20͘1 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710 ͂8,1͚7  ͙͂,͘12  ͂ 2,900 ͂ 2,7͙͘

20͘2 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,3͙3  ͙͂,͙98  ͂ 2,919

20͘3 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,͙͘3  ͙͂,788  ͂ 2,938

20͘͘ 3900  ͚͂,͙7͚,͚1͘  ͂2,821,97͘  ͂͘,1͚͙,710  ͂ 3,͘78  ͂ 8,7͘2  ͙͂,2͚͘ ͂2,͚00

20͙͘ 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,9͙2  ͚͂,197  ͂ 2,979

20͚͘ 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,9͙2  ͚͂,197  ͂ 2,899

20͘7 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 2,7͙͘ ͂8,9͙2  ͚͂,197  ͂ 2,822   ͂͘,1͚͙,710

20͘8 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,9͙2  ͚͂,197  ͂ 2,7͚͘

20͘9 3900  ͚͂,͙7͚,͚1͘  ͚͂͘3,͚͚͘ ͂͘,1͚͙,710  ͂ 2,873  ͂ 8,9͙2  ͚͂,079  ͂ 2,͚22

20͙0 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,9͙2  ͚͂,197  ͂ 2,͚01

20͙1 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,9͙2  ͚͂,197  ͂ 2,͙32

20͙2 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,9͙2  ͚͂,197  ͂ 2,͚͘͘

20͙3 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂͘,1͚͙,710  ͂ 2,7͙͘ ͂8,9͙2  ͚͂,197  ͂ 2,398

20͙͘ 3900  ͚͂,͙7͚,͚1͘  ͂3,͙10,97͘  ͂͘,1͚͙,710  ͂ 3,͚͙͙  ͂8,9͙2  ͙͂,297  ͂ 1,99͙ 

3͙ 
Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Alternative Costs Annual Discounted (Wastewater Annual Savings Water Replacement Annual Cost Annual Year(s) Annual O&M Debt Service Treatment + from Project Produced Costs ($/AF) Savings from Imported Water ($/AF) (AF) Purchases; ($/AF) Project ($/AF)

20͙͙  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,͚͚3

20͙͚  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,͙92

20͙7 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,͙22

20͙8 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,͙͙͘

20͙9 3900  ͚͂,͙7͚,͚1͘  ͚͂͘3,͚͚͘ ͂0  ͂ 1,80͙  ͂8,9͙2  ͂ 2,3͙0 ͂ 7,1͘7

20͚0 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,32͙ 

20͚1 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,2͚3

20͚2 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,202

20͚3 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,1͘3

20͚͘ 3900  ͚͂,͙7͚,͚1͘  ͂2,821,97͘  ͂0  ͂ 2,͘10  ͂ 8,9͙2  ͚͂,͙͘2  ͂ 1,878

20͚͙  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂2,030

20͚͚  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂ 7,2͚͚ ͂1,97͚ ͂8,9͙2

20͚7 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,923

20͚8 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,871

20͚9 3900  ͚͂,͙7͚,͚1͘  ͂1,1͙2,͚͚͘ ͂0  ͂ 1,982  ͂ 8,9͙2  ͚͂,970  ͂ 1,7͘7

2070 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,773

2071 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,72͙ 

2072 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,͚79

2073 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,͚3͘ 

207͘  3900  ͚͂,͙7͚,͚1͘  ͂2,821,97͘  ͂0  ͂ 2,͘10  ͂ 8,9͙2  ͚͂,͙͘2  ͂ 1,͘32

207͙  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,͙͘8

207͚  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,͙0͚ 

2077 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,͚͚͘

2078 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,͘27 ͂ 0

2079 3900  ͚͂,͙7͚,͚1͘  ͚͂͘3,͚͚͘ ͂0  ͂ 1,80͙  ͂8,9͙2  ͂ 7,1͘7  ͂ 1,3͚͚

2080 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,3͙1

2081 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,31͙ 

2082 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,280

2083 3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 0  ͂ 1,͚8͚  ͂8,9͙2  ͂ 7,2͚͚ ͂1,2͚͘

208͘  3900  ͚͂,͙7͚,͚1͘  ͂0  ͂ 2,͙87  ͂ 8,9͙2  ͚͂,3͚͙  ͂1,0͚2 ͂3,͙10,97͘ 

Average Costs and Savings ($/AF) $2,316 $8,077 $5,761 $2,048

3͚ 
                 

         

                             

                             

                         

     

                           

                       

                       

                       

                    

                       

                           

                             

                       

                       

                             

           

                 

                       

                         

                       

                   

                       

         

               

                     

                       

                             

                     

                     

                     

                           

                     

                         

                       

                   

                           

                         

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

(c) If available, provide the cost per acre foot of one water supply project with similar

characteristics to the Project. This information does not have to be provided if it not

available. Itisintended to provide another possible comparison to demonstrate the cost

effectiveness of the Project.

As stated preiously the only alternatie to the project is the no‐project alternatie to

continue purchasing water rom SDCWA. The City o San Diegoǯs Pure Water project is

another potable reuse eort in the region and had a projected cost o between ͂1,700

to  ͂1,900 in 201͚  based on the predesign work (City o  San Diego, 201͚). This

corresponds to ͂1,77͘ to ͂1,983 per AF (in 2018 dollars). This estimated unit cost alue

is expected to increase due to recent design changes and 2͙Ψ increase in construction

cost estimate the City released in October 2018. Oerall, the Cityǯs Pure Water project

is able to take adantage o  cost eiciencies related to scale, as it is designed to

proide a total olume o 30 MGD when Phase 1 o that project is complete.

(d) Discussion of the degree to which the Project is cost‐effective. Including, where

applicable, a discussion of why the Project may be cost effective even if the overall

Project cost appears to be high.

As demonstrated in the ealuation o the project costs against the non‐reclaimed

water alternatie to continue purchasing water rom SDCWA, the Title XVI Project is

cost eectie, with a projected saings o oer ͂2,0͘8 per AF in net present alue. The

aerage cost per AF o the Title XVI Project oer the ͚0‐year Project lie is ͂1,0͘0ȀAF,

compared to the aerage cost per AF o  the no‐project alternatie o  ͂3,088ȀAF

(including cost o  sending wastewater to the Metro System and the cost o water

purchased rom SDCWA), in 2018 dollars.

1.3.3.2 Subcriterion No.3b – Economic Analysis and Project Benefits

1. Summarize the economic analysis performed for the Project including information on

the Project’s estimated benefits and costs. Describe the methodologies used for the

analysis that has been conducted. Points will be awarded based on a comparison of the

benefits and costs of the Project. The information provided should include:

(a) Quantified and monetized Project costs, including capital costs and operations and

maintenance costs.

As preiously described, the Projectǯs costs were deeloped based on the 201͙ 

Facilities Planning Report and reised to relect changes made to the project since then.

Total project costs are approximately ͂132 million in capital costs, ͂39͙ million in OƬM,

͂22 million in replacement costs oer the ͚0‐year project lie, and ͂͘2 million in debt

interest or a total cost o ͙͂91 million (not discounted) rom planning through the end

o the ͚0‐year project lie. Debt interest assumes an approximately ͂83 million loan,

with 2Ψ interest. This loan coers the capital costs o the project that was not paid or

by grants. Grant unding, either already secured or anticipated to be secured, is used

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

to reduce the project costs. The beneit‐cost ratio uses a cost that already takes into

consideration receipt o grant dollars to reduce costs. Explanations or the basis o 

these costs were proided aboe. When discounting to net present alue, the cost o 

the project oer the ͚0‐year project lie is approximately ͂2͙0 million.

(b) Quantified and monetized Project benefits. Thisincludes benefitsthat can be quantified

and expressed as a monetized benefit per acre‐foot. This may include, but is not limited

to, benefits related to water supply quantity and water supply reliability, recreational

benefits, ecosystem benefits, water quality, energy efficiency, and environmental

compliance and permitting. Benefits may also include the avoided cost of no action, and

the willingness of users or customers to pay for a benefit or avoid a negative outcome.

If quantified and/or monetized information for these benefits is not available, they may

be addressed in response to question 2 below.

Aoided Wastewater Treatment

The Title XVI project would proide wastewater treatment locally instead o sending

wastewater to the regional Metro System  or 20‐mile coneyance to Point  oma

WWTP or treatment and inal disposal to the ocean, which would hae the beneit o 

aoiding costs associated with the projected treatment cost rate increases with the

Metro System due to City o San Diegoǯs Pure Water Program.

Based on the annual costs o treating wastewater at the Metro System and the annual

expected treatment o  the Title XVI project, the aerage annual beneit (not

discounted) o  aoided wastewater treatment would be approximately  ͂13 million.

Oer the  ͚0‐year lietime o the project, the present alue o  aoided wastewater

treatment costs would be around ͂307 million, using a discount rate o 2.7͙Ψ.

ϭ

Avoided Imported Water

The Title XVI project would produce a local source of treated water, which would have

the benefit of avoiding costs associated with purchasing water from SDCWA.

Costs for purchasing water from SDCWA are calculated based on values from SDCWA

that include the costs to transport, treat, and deliver water to member agencies. As

described in Subcriterion No. 3a, Question 2(b), these costs were projected to 2045;

the cost of imported water post‐2045 was then assumed to be constant. This results in

the calculations for comparing the cost of water produced by the Title XVI Project and

the cost of imported water being conservative.

Based on the Title XVI project offsetting 3,900 AFY of SDCWA water supplies, and the

cost per acre foot of water from SDCWA (e.g., $2,354/AF in 2025, the first full year of

Project deliveries), the average annual value (not discounted) of avoided imported

1 Present value calculated using the US Bureau of Reclamation Discount Rate for Water Resources Planning of 2.75% 

published in the Federal Register in January 2018. 

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

water would be approximately $18 million. Over the ͚0‐year lifetime of the project, the

present value of avoided imported water costs would be approximately $417 million,

using a discount rate of 2.75Ψ.

Reduced Greenhouse Gas Emissions and Associated Social Benefit

Reduced reliance on imported water will avoid the extensive energy reuirements

associated with transporting water from Northern California and the Colorado River

to San Diego County. This will indirectly result in avoided air uality impacts associated

with energy production and use. There is a social cost to these air uality impacts that

can be estimated using CO2 euivalents.

To estimate the avoided air uality impacts from energy production and use from the

Title XVI project, the amount of energy associated with operating the Title XVI project

(8,341,͚80 kWh/year) was subtracted from the amount of energy associated with the

imported water supplies (9,937,429 kWh/year) to arrive at the net energy savings from

the project (1,595,749 kWh/year). According to estimates provided by the California Air

Pollution Control Officers Association, the carbon intensity of energy provided by San

Diego Gas Ƭ Electric (SDGƬE) is 720.49 lbs of CO2 per MWh (i.e., 0.0003͚0 tons of CO2

per kWh).

The .S. Government produced a technical support documentation on the social cost

of carbon in 201͚ (Interagency Working Group on Social Cost of Greenhouse Gases,

nited States Government 201͚). The social cost of carbon is the monetied damages

associated with an incremental increase in emissions in a given year, and includes (but

is not limited to) changes in net agricultural productivity, human health, and the value

of ecosystem services that may be affected by air uality impacts. The social cost of

carbon increases over time because future emissions are expected to produce larger

incremental damages as physical and economic systems become more stressed in

response to the build‐up of emissions.

Based on the forecasted social cost of carbon, the economic benefit of the Title XVI

projectǯs 1,595,749 kWh/year energy savings would euate to approximately $1͚,000

annually discounted to 2018 dollars. Over the ͚0‐year lifetime of the project, the social

benefit of reduced air  uality impacts from energy production and use would be

approximately $0.97 million, using a discount rate of 2.75Ψ.

Increased Supply Reliability

Imported water supplies, in addition to being energy intensive and expensive, are also

less reliable than local supplies. In 2014, allocations from the SWP dropped to just 5Ψ 

due to ongoing drought conditions and increased concern forthe Bay‐Delta ecosystem.

Although deliveries have rebounded somewhat, to 20Ψ in 2015, ͚0Ψ in 201͚, and 85Ψ in

2017, they declined again in 2018 (35Ψ) and it has become clear that deliveries through

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

the SWP system are variable and may not be available in the future during times of

drought when they are most needed.

A reliable supply is important to maintaining a vibrant local economy. An unreliable

local water supply increases risks for businesses and could create economic instability

for the community having deeper economic impacts than a rate hike.

Substituting local water supplies for imported water will increase the reliability of

water supplies and may help provide a buffer from rate increases driven by the

increased cost of imported water during times of scarcity.

Previous studies have estimated consumersǯ willingness to pay to avoid water service

interruptions (i.e., water service reliability). Other previous studies have employed

statistical models to estimate the welfare loss of a water shortage, or mathematical

models to approximate customersǯ  cost‐minimiing behaviors. The dollar amount

depends on the level of rationing, as well as the duration and freuency of the

shortage event. According to a literature search, residential household willingness to

pay ranges from around $85 to around $575 per year (Barakat and Chamberlin, Inc.

1994; Griffin and Mjelde, 2000; und, 1995; Buck et al., 201͚).

Considering these ranges in the literature, which generally focused on California or the

western nited States, it was assumed that Padre Dam MWD residential customers

would be willing to pay approximately $270 per household per year (in 2018 dollars),

for a reliable water supply (i.e., to avoid a shortage). This value was approximated by

taking the median per household annual willingness to pay value in each of the studies

reviewed, then averaging these median numbers.

To adjust for the partial improvement in reliability from the Title XVI project, it is

assumed that household willingness to pay for improved reliability is directly

proportional to the amount of recycled water that will offset imported water, as a

percentage of the total potable water supply. This represents the percentage of total

supply that has been improved by offsetting imported water demand with local

sources.

The project will offset 3,900 AFY of imported water. Padre Dam MWDǯs 2015 WMP

reports that total imported water demand in 2025 will be approximately 14,033 AF.

Therefore, in 2025, about 28Ψ of total imported water demand would have been met

by recycled waterif made available by the project. Thus, a conservative estimate of the

value of improved reliability associated with this water, is about $75 per household per

year ($270 multiplied by 28Ψ). Applying this per household dollar value to the 19,͚84

residential connections within the service areas results in $1.4M of benefits per year

(not discounted). This euates to a present value of $37M over the ͚0‐year life of the

project, using a discount rate of 2.75Ψ.

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Improved Salinity in Potable Water

The Title XVI Project will improve water uality in ake ennings through delivery of

advanced treated water for blending with other supplies for the reservoir, as well as

improve potable water uality by reducing salinity in the potable water source.

As described in Evaluation Criterion 2,  uestion 1, potable reuse projects produce

water low in TDS, which will improve water uality in areas with impacted water

supplies. As high‐uality AWP water is added to  ake ennings, it mixes with the

existing, high‐TDS, water in the reservoir, prior to treatment for potable use. ocal

potable reuse projects could produce water with salinity levels 20 times lower than

non‐potable recycled water and 10 times lower than the drinking water currently

delivered to residents (City of San Diego, 2012).

The 2012 Recycled Water Study completed by the City of San Diego estimated a salt

credit to account for the benefits of salinity reduction in the watershed through

potable reuse. The salt credit basis was from the 1999 Salinity Management Study

(Metropolitan and Reclamation, 1999). The  uantitative credit of $100/AF was

estimated to account for the financial benefits of extending the life of the municipal

water and wastewater treatment systems from having lower salinity levels in the

water and wastewater flows.  ower TDS levels in the reservoirs would result in

reductions in salinity levels in the downstream facilities including the drinking water

treatment plant, wastewater conveyance and treatment processes, and recycled

water facilities. Applying the $100/AF of savings to the annual potable water

production of 3,900 AF euates to $390,000 of benefits per year(not discounted). This

euates to a present value of $10M overthe ͚0‐yearlife of the project, using a discount

rate of 2.75Ψ.

Table 1‐16 provides a summary of the monetied benefits of the Title XVI Project.

Table 1‐16: Summary of Economic Benefits

Benefit Present Value

Avoided Wastewater Treatment $307 M

Avoided Imported Water $417 M

Reduced Energy Demands and Associated Social Benefit $0.97 M

Reliable Water Supply $37 M

Improved Salinity in Water Quality $10 M

Total Monetized Benefit $772 M

(c) A comparison of the Project’s quantified and monetized benefits and costs.

As described above, the total monetied benefit of the Title XVI Project is $772 million

in net present value. The total cost of the Project is $250 million, in net present value,

as noted in Section 1.3.3.2. The benefit cost ratio of the Title XVI Project is 3.08, with

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substantial benefits, even when using a relatively conservative estimate for

monetiable benefits.

2. Some project benefits may be difficult to quantify and/or monetize. Describe any

economic benefits of the Project that are difficult to quantify and/or monetize. Provide

a qualitative discussion of the economic impact of these benefits. Points will be

awarded based on the potential economic impact of the Project‐related benefits. Some

examples of benefits may include, but are not limited to, acres of land or stream miles

that may be benefitted or not harmed, benefits to habitat or species, flood risk

mitigation, local impacts on residents and/or businesses, job creation, and regional

impacts. This may also include benefits listed in question 1, if they have not been

monetized.

Regional Wastewater Treatment Cost Savings

In 2017, the .S. Environmental Protection Agency (SEPA) granted a modification to

the City of San Diegoǯs NPDES permit allowing the City to continue to operate the Point

oma WWTP as a chemically enhanced primary treatment facility with the

implementation of Pure Water Program (RWQCB, 2017) to offload the Point oma

WWTP and to produce product water for recycled water projects upstream of the

WWTP. The City of San Diego is committed to offloading 100 MGD from the Point oma

WWTP for recycled water projects (City of San Diego, 2012). An additional benefit of

the Title XVI Project is that sending 4 MGD less wastewater flow to the Point oma

WWTP would result in less offload from the City of San Diego to achieve the same 100

MGD offload goal because Padre Dam MWD is a contributor to the regional Metro

System flow. The City of San Diego is already planning to implement Phase 1 of the

Pure Water Program by 2023, however with implementation of the Title XVI Project,

Phase 2 of Pure Water Program could be 4 MGD smaller. Therefore,the Title XVI Project

could help reduce the need for expensive regional conveyance and treatment

upgrades, which could help reduce the unit cost of treatment for the regional Metro

System for all 13 participating agencies.

Improved Surface Water and Groundwater Quality

As stated earlier, the Title XVI Project will improve surface water uality (TDS and

nutrients) in ake ennings through delivery of advanced treated water for blending

with other supplies for the reservoir. Improved water uality in the lake would not

only benefit the potable water salinity but also benefit the auatic life and fish within

the lake. Further, potable water with lower salinity level would result in lower salinity

in the wastewater and therefore less salinity in the recycled water which is mainly used

for irrigation and for Santee  akes Preserve in the Padre Dam MWD service area.

Decreasing TDS in the recycled water would support the auatic life and fish in Santee

akes.

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Supporting auatic life and fish in the Santee akes will help to maintain or bolster

economic benefits of recreation activities at the lakes, including fishing.

Sustainable Solution to Meet Organic Waste Diversion Reuirements

A recent legislation in the State of California mandates waste haulers divert organic

waste from landfills for recycling to reduce greenhouse gases (Assembly Bill No. 182͚).

According to the mandate, waste haulers are reuired to report their diversion plan to

CalRecycle and transition into the diversion program in 2021 timeframe. Padre Dam

MWD is proposing to accept diverted organic waste within East County for co‐

digestion with the municipal sludge as part of the Title XVI Project. Implementing an

anaerobic digestion process at part of the Title XVI Project provides a uniue

opportunity in the East County to find an economical and sustainable solution to the

organic waste diversion reuirement and meetthe greenhouse gas emission reduction

goals. Waste haulers would pass projected cost increases on their operations to meet

the additional reuirements by AB182͚; therefore, having a more economical solution

for them would mean less cost impact on the customers in East County.

Future Funding

Project success could better position Padre Dam MWD to pursue future funding

opportunities. The groundwork laid by this project could be built upon on a regional

level to increase local water supply, decrease dependence on imported supplies and

increase overall reliability. Because of these far reaching potential benefits and the

work done as part of this Title XVI Project, Padre Dam MWD will be positioned to take

advantage of future funding opportunities as they become available.

1.3.4 Evaluation Criterion 4: Department of Interior and Bureau of Reclamation Priorities

This application only includes responses to those Department of Interior (DOI) Priorities and

Bureau of Reclamation Priorities met by the Title XVI Project.

DOI Priorities

1. Creating a conservation stewardship legacy second only to Teddy Roosevelt

a. Utilize science to identify best practices to manage land and water resources

and adapt to changes in the environment

The Title XVI Project uses a relatively new scientific approach to water supply

development: potable reuse with SWA. This project was designed to meet stringent

Federal and State regulatory reuirements for potable reuse and relies on sound

scientific understanding of the hydrodynamic of ake ennings related to the reuired

residence time and dilution of the advanced treated water within the reservoir, as well

as a thorough series of water  uality tests and analyses (at the existing AWP

demonstration facility previously discussed) to confirm the AWP treatment train will

reliably meet the appropriate standards. Potable reuse with SWA is the forefront of

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sustainable potable water supply development and represents an opportunity to

develop supplies that allow an agency to adapt to shifting needs that may result from

changes in the environment.

d. Review DOI’s water storage, transportation, and distribution systems to

identify opportunities to resolve conflicts and expand capacity

The Title XVI Project will expand Padre Dam MWDǯs supply capacity by creating new

potable supplies. The Title XVI project willreduce demand forimported water from the

Colorado River (managed by the DOI) by approximately 2,82͚ AFY. Creating new local

supplies supports regional, state, and federal goals for sustainable water supply, and

reduces Padre Dam MWDǯs contribution to stressors on the DOIǯs large‐scale public

infrastructure used to convey and store imported water. It helps to reduce the need

to upgrade the Point oma WWTP, addressing conflicts associated with the WWTPǯs

waiver and potential need for future upgrades.

2. Utilizing our natural resources

a. Ensure American energy is available to meet our security and economic needs

The Title XVI Project will result in a net offset of energy demands. A portion of the Title

XVI Projectǯs energy demands will be met using energy produced by the biodigestion

facility (͚,5͚͚,000 kwh/yr). The remaining energy needs of the Title XVI Project

(8,342,000 kwh/yr) are substantially lower than the energy reuired to convey 3,900

AFY imported waterto Padre Dam MWD (9,937,429 kwh/year). The net energy savings

of the project are 1,595,749 kwh/year. Energy conservation by Padre Dam MWD allows

the energy they do not need to use for water supply to be available for other needs,

including security and economic needs elsewhere in the state or region.

3. Restoring trust with local communities

a. Be a better neighbor with those closest to our resources by improving dialogue

and relationships with persons and entities bordering our lands

The Title XVI Project implements Phase I of the East County AWP Program, which is a

coordinated effort between Padre Dam MWD, elix Water District, City of El Cajon,

and the County of San Diego to implement water reuse in eastern San Diego County.

This coordination contributes to improved relationships and increased dialogue

between the different agencies. Padre Dam MWD has also been in collaboration with

the local waste haulers including Republic Services and Waste Management to accept

diverted organic waste for co‐digestion with the municipal sludge as part of the Title

XVI Project. In addition, Padre Dam MWD has undertaken extensive outreach to the

public associated with the Title XVI Project. Tours are regularly provided at the

Demonstration Facility for the AWP system, with 50 tours given in Fiscal Year 2019, 51

tours given in Fiscal Year 2018, and 49 tours given in Fiscal Year 2017, reaching a total

of 4,3͚͚  people in three years. Activities such as these tours help to educate

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stakeholders on the value the Title XVI Project has to the region and how potable reuse

is an important tool for managing limited water resources.

5. Modernizing our infrastructure

a. Support the White House Public/Private Partnership Initiative to modernize U.S.

infrastructure

The Title XVI Project uses state‐of‐the‐art advanced water treatment technologies and

sophisticated instrumentation for production of purified water and for monitoring

water uality compliance with the State and Federal regulations. In addition, Padre

Dam MWD has pilot‐tested and is planning to implement an innovative technology for

brine minimiation to achieve 95Ψ overall production efficiency with reverse osmosis

(RO) (Reclamation, 2017). This high RO recovery with municipal recycled water is a

breakthrough in the industry and the Title XVI Project will be one of the first agencies

to use this technology in full scale.

b. Remove impediments to infrastructure development and facilitate private

sector efforts to construct infrastructure Projects serving American needs

Funding provided by Reclamation to implement the Title XVI Project alleviates

impediments associate with funding the project that may otherwise prove to be a

substantial obstacle to garnering public support, approval by governing bodies, and

implementing the project in a timely manner. The Project will serve an identified need

for the region of developing new, local, drought‐proof potable water supplies, in a

region with limited opportunities for local supply development.

c. Prioritize DOI infrastructure needs to highlight:

i. Construction of infrastructure

ii. Cyclical maintenance

iii. Deferred maintenance

The Title XVI Project constructs new water supply infrastructure (addressing c.(i))

consisting of new treatment processes, pump station and pipelines for Padre Dam

MWD, that will serve 27Ψ of its potable demands. The Project also addresses potential

issues associated with deferred maintenance (item c.(iii)) by updating and

moderniing the WRF and updating the influent pump station.

Reclamation Priorities

1. Increase water supplies, storage, and reliability under WIIN and other Authorities

The Title XVI Project will expand Padre Dam MWDǯs supply capacity and reliability by

creating new, reliable, sustainable potable supplies to meet demands within its service

area. The Title XVI Project will create 3,900 AFY of potable water, allowing an offset of

an eual amount of imported water from the SWP and Colorado River. Dependency

on imported water results in reliability concerns associated with costs and availability.

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As experienced in the 2012‐201͚ drought, SWP supplies can be restricted during times

of water shortages, in addition to increased risks of supply disruption that is inherent

with transporting resources over a large distance. Padre Dam MWD has seen its water

costs rise 175Ψ since 200͚, and projects continued increases in imported water costs.

By creating a new drought‐proof local supply and offsetting demand for imported

water, the Title XVI Project directly addresses heightened competition for water

supplies and improves water supply reliability in the service area.

3. Leverage science and technology to improve water supply reliability to communities

The Title XVI Project will create 3,900 AFY of local potable water, directly improving

supply reliability to communities within Padre Dam MWDǯs service area. The Title XVI

Project will use state‐of‐the‐art advanced water treatment technology that consists of

membrane separation technologies (microfiltration and reverse osmosis), ultraviolet

disinfection with advanced oxidation technology, and sophisticated instrumentation

for process control and optimiation and for production of high‐uality recycled water

suitable for potable reuse and that is compliant with the SWA regulations. In addition,

Padre Dam MWD has pilot‐tested and is planning to implement an innovative

technology for brine minimiation to achieve 95Ψ overall production efficiency with RO

(Reclamation, 2017). This high RO recovery with municipal recycled water is a

breakthrough in the industry and the Title XVI Project will be one of the first agencies

to use this technology in full scale.

4. Address ongoing drought

Padre Dam MWD is located in a region that experiences freuent droughts. Portions

of San Diego County, including Padre Dam MWDǯs service area, were in Extreme

Drought from mid‐February 2014 to late anuary 2017. The .S. Drought Monitor map

showed San Diego County as being in Severe Drought, from mid‐May 2018 to the end

of December 2018. Some portion of San Diego County was classified as Severe,

Extreme, or Exceptional Drought from April 2013 to anuary 2019 (.S. Drought

Monitor, 2019). Further, the .S. Department of Agriculture and the Small Business

Administration both declared San Diego County a drought disaster area in 201͚ 

(County of San Diego, 201͚). Padre Dam MWDǯs entire potable water supply is

currently met with water purchased from SDCWA, which is primarily imported water

from the SWP and Colorado River. These supplies are expensive and increasingly

unreliable in times of drought. As experienced in the 2012‐201͚ drought, SWP supplies

can be restricted during times of water shortages. It is critically important for Padre

Dam MWD to diversify the water supply portfolio with local, drought‐proof supplies as

droughts become prolonged and more freuent. The Title XVI Project will address

these concerns by creating 3,900 AFY of potable water, allowing an offset of an eual

amount of imported water from the Sacramento‐San oauin Bay‐Delta and Colorado

River systems. Advanced treated potable reuse water is a local and sustainable supply

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that will improve water supply reliability in the Padre Dam MWD service area by

providing a buffer against potential drought impacts on imported water supply.

6. Improve water supplies for tribal and rural communities

The Padre Dam MWD service area encompasses the Viejas Reservation and the Sycuan

Reservation. Both tribal communities will directly benefit from the Title XVI Project as

they will receive a new source of local, drought‐proof water supply. The Viejas Band of

umeyaay Indians and the Sycuan Band of umeyaay Indians have both submitted

letters to Padre Dam MWD in support of the Title XVI Project because it will not only

enhance water supply reliability in their communities, butit also aligns with theirlegacy

of environmental stewardship and tradition of respect for natural resources. The

letters of support are included in Appendix A of this application. The Title XVI Project

will not improve water supplies for rural communities as there are no rural

communities within the Padre Dam MWD service area boundaries.

1.3.5 Evaluation Criterion 5: Reclamation’s Obligations and Benefits to Rural or

Economically Disadvantaged Communities

1.3.5.1 Subcriterion No. 5a ‐ Legal and Contractual Water Supply Obligations

Explain how the Project relates to Reclamation’s mission and/or serves a Federal

interest. Does the Project help fulfill any of Reclamation’s legal or contractual

obligationssuch as providing waterfortribes, waterrightsettlements,riverrestoration,

minimum flows, legal court orders, or other obligations? Explain.

Reclamationǯs mission is  Dzto manage, develop, and protect water and related

resources in an environmentally and economically sound manner in the interest of the

American public,dz (Reclamation, 2017). The Title XVI Project would develop a new

sustainable potable water supply that will offset demands on existing waterresources.

It has demonstrated financial benefits (i.e., it is economically sound), reduces energy

demands, and turns a waste stream into a resource.

The Title XVI Project would indirectly help to fulfill Reclamationǯs legal or contractual

obligations, by reducing demands forimported water by 3,900 AFY, including Colorado

River supplies (averaging a projected 2,82͚  AFY offsets from the Colorado River

between 2025 and 2040). This would allow more imported water to be available to

meet other demands, including Reclamationǯs legal or contractual water‐related

obligations.

1.3.5.2 Subcriterion No. 5b ‐ Benefits to Rural or Economically Disadvantaged Communities

1. Doesthe Projectserve a rural or economically disadvantaged community? Ifso, provide

supporting information. A rural community is defined as a community with fewer than

50,000 people.

Padre Dam MWD provides services to approximately 100,000 people, and therefore

does not meet the definition of a rural community. A portion of Padre Dam MWDǯs

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service area meets the definition of an economically disadvantaged community (DAC),

with a median household income (M I) 80Ψ or less than statewide M I (SDRWMG,

2015). A geospatial analysis found that  ͚Ψ of Padre Dam MWDǯs service area, by

geographical area, ualified as a DAC, while 11Ψ of its population lived in DACs. These

calculations were based on the populations and sie of a combination of Census block‐

groups and tracts within the boundaries of Padre Dam MWD that met the 80Ψ M

definition of a DAC (SDRWMG, 2015). Although DACs are present within the Title XVI

Project area, the Phase I Project does not directly serve the DACs because it does not

actively target DACs, nor is the majority of the project benefit area a DAC. It does,

however, provide indirect benefits to DACs because the Title XVI Project provides

benefits to all Padre Dam MWD customers, including DACs within its service area.

Benefits realied by all Padre Dam MWD customers include improved water supply

reliability (and associated protection against cost increases of imported water),

control the projected wastewater treatment cost increases, reduced overall energy

use and associated air uality impact, and improved local water uality.

2. Are any rural or economically disadvantaged communities within the Project sponsor’s

service area? If so, provide supporting information. This may include neighborhoods or

census tracts within a larger service area that are economically disadvantaged, and/or

rural areas that are part of a larger urban area.

As shown in Figure 1‐2, Padre Dam MWDǯs service area includes some DACs, primarily

south of the San Diego River in the WSA, and along portions of ighway 8 in the ESA.

Approximately 11Ψ of Padre Dam MWDǯs population lives in DACs (SDRWMG, 2015).

Indirect benefits that would be realied by these DACs from the Title XVI Project

include improved water supply reliability, a measure of protection against potential

water rate increases associated with imported water and against the potential

wastewater treatment cost increases, and indirect health benefits of reduced air

uality impacts from energy production and use. Although the benefits would be

realied eually by all residents within Padre Dam MWDǯs service area, the degree of

benefits felt by DACs within Padre Dam MWDǯs service area would be higher compared

to the benefits felt by non‐DACs because the impact of a rate change is more

substantial to lower income households than higher income ones.

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32.88489, -116.99604 

Legend 

-- Freeway 

D Waterbody 

- DACArea• 

- Medium Priority Groundwater Basin 

- Very Low Priority Groundwater Basins 

0 1.25 

• Ray Stoyer Water Reclamation Facility 

D Padre Dam Municipal Water District Service Area 

J 

Copyright:© 2014 Esri 

2.5 5 

Miles N 

A 

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Figure 1‐2: Disadvantaged Communities in Padre Dam MWD Service Area

ȗ Note: DAC as determined by the census tract and block group data for the year 2013, from the American

Community Survey 2009‐2013 5‐year results. DAC determined based on definition of median household incomes

below 80Ψ of the statewide M I or $48,875.

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1.3.6 Evaluation Criterion 6: Watershed Perspective

1. Does the Project implement a regional or state water plan or an integrated resource

management plan? Explain.

The Title XVI Project is an important part of Padre Dam MWDǯs efforts to reduce

reliance on water purchased from SDCWA, and has been incorporated into water

supply projections in both Padre Dam MWDǯs 2015 WMP and SDCWAǯs 2015 WMP.

As the water wholesaler for the San Diego Region, SDCWAǯs 2015 WMP represents

regional water planning efforts and projections and incorporates planning efforts from

all 24 of its member agencies. Regionally, development of secure, reliable, sustainable,

and drought‐proof local supplies is a high priority.

The Title XVI Project implements Phase I of the East County AWP Program, which is

part of the San Diego IRWM Plan. The San Diego IRWM Plan encompasses all or a

portion of eleven watersheds in San Diego County, including the San Diego River

watershed in which the Title XVI Project is located. IRWM plans are broad documents

that are crafted in a collaborative approach of multiple stakeholders to meetthe needs

of the watershed and integrate the various aspects of water including water supply,

water uality, water conservation, and ecosystem restoration. Padre Dam MWD is an

active member of the Regional Advisory Committee for the IRWM planning effort,

which provides stakeholder guidance to the San Diego IRWM Programǯs governing

body, the Regional Water Management Group. The Title XVI Project is consistent with

the 2019 San Diego IRWM Plan (SDRWMG, 2019), and has been identified as a priority

project forthe Region through a rigorous project selection process leading to inclusion

in a successful 2015 regional grant application for priority projects. It addresses the

following objectives of that plan (summaried):

 Development of integrated solutions, including integration between agencies,

across watersheds and hydrologic services, sustainability, and/or beneficial

uses

 Develop and maintain diverse supplies to improve water supply reliability and

reduce dependence on imported water

 Construct reliable water supply infrastructure to improve water supply

reliability, uality, and ability to meet demands of the region

 Reduce sources of pollution that exacerbate impacts to the environment and

to people

The Project meets the objectives listed above by implementing the first phase of a

coordinated water reuse program between four local agencies. The new water supply

and infrastructure will increase supply reliability and reduce dependence on imported

water. Additional wastewater treatment and increased recycled water production will

reduce wastewater flows to the Pacific Ocean, reducing Padre Dam MWDǯs

contribution of pollutants to the ocean. The Title XVI Project will also reduce energy

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demands to supply water to meet customer demands by offsetting energy‐intensive

imported water with less energy‐intensive potable reuse water. The biosolids

digestion facility will further increase the energy savings of the Title XVI Project by

generating electricity to offset the projectǯs demands. tiliation of a drought‐proof,

sustainable, local supply, will help Padre Dam MWDǯs ability to continue to meet

customer demands.

2. Does the Project help meet the water supply needs of a large geographic area, region,

or watershed? Explain.

The Title XVI Project implements a regional priority to develop local, sustainable,

drought‐proof supplies and reduce reliance on imported water as described in

SDCWAǯs 2015 WMP. SDCWA is the regionǯs wholesaler, serving 24 member agencies,

with a total service area of 1,48͚ suare miles. Goals and priorities established in the

SDCWAǯs 2015 WMP are considered regional goals. Further, SDCWAǯs 2015 WMP

assumed that the Title XVI Project would be implemented in the nearfuture. As a result,

regional water planning, including SDCWAǯs assessment of its ability to meet member

agency demands during dry year scenarios, is dependent on the water produced by

the Project. Should the Project not be implemented, drought planning and emergency

preparedness developed by the region may no longer be adeuate or meet the

standards of local and state regulations and policies.

3. Does the Project promote collaborative partnerships to address water‐related issues?

Explain.

The Title XVI Project implements Phase I of the East County AWP Program, which is a

coordinated effort between Padre Dam MWD, elix Water District, City of El Cajon,

and the County of San Diego to implement water reuse in eastern San Diego County.

Together, these agencies are collaborating to develop potable reuse supplies and

opportunities to eastern San Diego County, which has limited access to local supplies.

The agencies have collaborated to form a oints Power Authority to deploy the East

County AWP Program. The Title XVI Project is the first phase of this Program, and lays

the groundwork for future phases of the East County AWP Program, including future

SWA at ake ennings. ake ennings is owned by elix Water District and use of the

reservoir for SWA reuires close collaboration between Padre Dam MWD and elix

Water District. As described throughout this report, the Title XVI Project and the East

County AWP Program will help to diversify supplies, utilie a drought‐proof, local,

sustainable supply, and help to reduce dependence on imported water by the

participating agencies. When implemented, the future Phase II project would increase

local potable water production to up to 15,500 AFY for the East County, which is

approximately 30Ψ of the East Countyǯs water demand.

4. Doesthe Project include public outreach and opportunitiesfor the public to learn about

the Project? Explain.

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Padre Dam MWD has an award‐winning outreach and education program thatfeatures

a combination of innovative and creative outreach tactics, including a comprehensive

tour program at its AWP demonstration facility. In Fiscal Year 2017, 49 tours were

provided, serving ͚79 ‐12 students, 148 scouts, and 94 members of the public, for a

total of 1,188 people who attended tours. Fiscal Year 2018 saw 51 tours given, reaching

935 ‐12 students and scouts, and 353 members of the public, for a total of 1,253 people

reached. Padre Dam MWD offered a total of 50 tours in Fiscal Year 2019 with a total

attendance of 1,925 people, including 1,119 ‐12 students and scouts and 80͚ members

of the public. In addition, the East County AWP Program maintains a website

(http://eastcountyawp.com/) with videos, presentations, newsletters, and educational

materials. These public outreach efforts will continue throughout project

implementation.

Padre Dam MWDǯs outreach and education program serves its customers, builds

support and creates goodwill for the District and the AWP Program. Public education

efforts have not only been a learning opportunity, but a pivotal opinion/perception

changing experience. Communication tactics from video, tours and beer brewing

partnerships have instilled confidence in the treatment process, highlighted the

professionalism and competence of Padre Dam MWD and reinforced the program

goals  ‐ all while building program support. The demonstrated increase in public

acceptance resulting from the educational program underscores the importance of

this vital water resource.

2 Environmental and Cultural Resources Compliance

A MND for the Title XVI Project covering the facilities within the fence‐line of the existing

treatment plant, i.e., the Ray Stoyer WRF Expansion and the AWP Facility (Phases IA‐1 and IA‐

2) was completed in uly 2015 (2015 MND). Driven by the changes reuired for using ake

ennings as the environmental bufferinstead of Santee Basin and addition of the future Phase

II expansion of the Project, a Program Environmental Impact Report (PEIR) for the facilities

improvements for the East County AWP Program was completed in May 2017. The 2017 PEIR

included all of Phase I and Phase II of the Program. A Tiered MND that builds off the 2017 PEIR

for Phases IA, IB (AWP Pipeline), and IC (Solids andling Facility) was completed in December

2018 (2018 MND), with associated CEQA‐Plus analysis, including federal crosscutters,

submitted to the State in May 2019. All information provided below is relevant to the

previously prepared environmental documents (the 2015 MND, 2017 PEIR, and 2018 MND for

Phases IA, IB, and IC).

a. Will the proposed project impact the surrounding environment (e.g., soil [dust], air,

water [quality and quantity], animal habitat)?

 Please briefly describe all earth‐disturbing work and any work that will affect the

air, water, or animal habitat in the project area.

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Construction of the various project components would occur both below and above

grade. Earthwork would be reuired for construction of the tankage related to

headworks, eualiation basin, aeration basins, and secondary clarifiers. For the AWP

Facility, earthwork would include site grading. The project would reuire

approximately 22,000 cubic yards of excavation, 7,000 cubic yards of backfill and

compaction, and hauling of 18,000 cubic yards of excess material off site.

Approximately 5,000 cubic yards of demolition debris also would be disposed of off‐

site (Padre Dam MWD, 2015). These construction activities could result in air, water,

and animal habitat impacts. Additionally, noise from construction may affect animal

habitat in the project area, though no critical habitat was found within the project site.

The MND found that the potential for impacts to air and water uality and to habitat

from noise were all less than significant either before or with mitigation (Padre Dam

MWD, 2018b).

 Please also explain the impacts of such work on the surrounding environment and

any steps that could be taken to minimize the impacts.

Air uality will be protected by the incorporation of best management practices (BMP)

into project construction to reduce dust emissions. Water uality will be protected

during construction through the application of BMPs to avoid and minimie impacts to

hydrology and biological resources. This will include the creation of a storm water

pollution prevention plan (SWPPP) describing BMPs, monitoring, inspection, and

recordkeeping. The SWPPP will be implemented by the construction contractor to

minimie storm water discharge and reduce erosion. Potential noise impacts to

sensitive biological resources will be addressed by avoidance during nesting season, as

described below (Padre Dam MWD, 2017). Potential impacts to habitats for sensitive

species would be mitigated through avoidance of construction activities where

sensitive plant species are located, siting of facilities outside of sensitive habitat as

appropriate, the use of trenchless technologies where pipelines must cross sensitive

habitats, and implementation of BMPs to minimie impacts where construction must

occur in the vicinity of sensitive species habitat (Padre Dam MWD, 2018b).

b. Are you aware of any species listed, or proposed to be listed as a Federal threatened or

endangered species, or designated critical habitat in the project area? If so, how would

they be affected by activities associated with the proposed project?

Construction noise could impact two federally‐listed species, the Coastal California

gnatcatcher and the east Bellǯs vireo, identified as having suitable habitat outside, but

within 500 feet, of the project area. The potential impact to these species would cease

with the end of project construction. These species were identified during a biological

survey conducted on une 1, 2015 and a breeding pair of Coastal California gnatcatchers

was confirmed as present in the Project Area in 2018 (Padre Dam MWD, 2015; Padre

Dam MWD, 2018b). east Bellǯs vireo was identified in 2018 as being within 500 feet of

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the project disturbance limit (Padre Dam MWD, 2018b). To avoid the potential impact

of construction activity noise to the nesting behavior of these species, any

construction that is to take place during the breeding season for either species will be

contingent on the review of the potential impact area by a certified biologist. If active

nests belonging to either sensitive species is found during the survey, then

construction will be postponed untilthe nestis no longer active or until a suitable noise

barrier can be constructed. Similarly, if construction activities reuiring removal,

pruning, or damage of any trees or shrubs will occur during general avian breeding

season, a  ualified biologist will conduct a pre‐construction survey. Construction

activities will halt if an active nest is found during the survey until the nest is no longer

active or until the end of the breeding season, whichever occurs later (Padre Dam

MWD, 2015; Padre Dam MWD, 2017). A ualified biologist would monitor construction

activities and install temporary fencing to protect sensitive species and habitat as

appropriate (Padre Dam MWD, 2018b).

Four special‐status plant species were identified in the Project area around  ake

ennings: Ashy spike‐moss, San Diego County viguiera, delicate clarkia, and San Diego

goldenstar. The Project would have less than significant impacts on ashy spike‐moss

and San Diego County viguiera. Avoidance would be employed to protect delicate

clarkia and San Diego goldenstar, where construction activities would be prohibited in

areas delineated on construction plans as supporting these species (Padre Dam MWD,

2018b).

c. Are there wetlands or other surface waters inside the project boundaries that

potentially fall under Clean Water Act (CWA) jurisdiction as “Waters of the United

States?” Ifso, please describe and estimate any impactsthe proposed project may have.

There are currently three surface water bodies that are part of Padre Dam MWDǯs

water delivery and discharge system. These include:

1. ake ennings – Imported wateris stored at ake ennings priorto treatment and

use as a potable supply.

2. Santee akes – A uantity of the recycled water produced at the Ray Stoyer WRF

is conveyed to the Santee akes and is eventually discharged to Sycamore Creek.

3. Sycamore Creek – Recycled water discharged from Santee  akes enters

Sycamore Creek and is controlled by an NPDES permit.

Of these three surface water bodies, Sycamore Creek and ake ennings are the only

potential Dzwaters of the nited Statesdz within the Title XVI project area. Santee akes

is not a water of the nited States because it is artificial, constructed lakes and part of

Padre Dam MWDǯs wastewater treatment and recycling system.

The Project has been designed to avoid federally‐protected wetlands and other

potential jurisdictional features to the extent feasible. owever, there would be

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permanent loss of habitat to 0.͚  acres of freshwater marsh at ake ennings from

construction of the new inlet, which would install a cascading water feature to slow

water velocity entering the reservoir. This feature would be constructed in Diegan

coastal sage scrub and freshwater marsh that could not be reasonably avoided. Padre

Dam MWD would secure all the appropriate permits and implement compensatory

mitigation consistent with  .S. Army Corps of Engineers, RWQCB, and California

Department of Fish and Wildlife reuirements. Compensatory mitigation would

include a minimum of 1:1 ratio of new, restored, or permanently preserved habitat to

loss. Diegan coastal sage scrub would be compensated at a ratio of 2:1 and Southern

willow scrub at a ratio of 3:1 (Padre Dam MWD, 2018b).

ake ennings is owned, operated, and maintained by elix and is used primarily to

store imported water. Imported water storage accounts for 95Ψ of the 9,790 AF of

total storage. ocal runoff accounts for the remainder. Substituting recycled water for

imported water will impact the total volume of imported water, but it will not change

the volume of water stored in the ake. Advanced treated water is higher uality than

untreated imported water purchased from SDCWA. As such, overall water uality at

ake ennings is anticipated to improve as advanced treated water is delivered for

SWA. No adverse water uality impacts to ake ennings are anticipated as a result of

operation of the Title XVI Project, though additional studies are being completed to

determine the potential impact of improved water uality in ake ennings from the

Project on the local ecosystem and connected water bodies. There is potential for

construction dust or construction‐related erosion to contribute to temporary water

uality impacts to local water bodies. Implementation of dust and erosion control

measures and a Stormwater Pollution Prevention Plan will reduce these potential

impacts to less than significant (Padre Dam MWD, 2018b).

The Title XVI project will not change the existing augmentation of Santee akes (which

are not Dzwaters of the  nited Statesdz) with recycled water and it is therefore not

expected to impact either the Santee akes or Sycamore Creek.

d. When was the water delivery system constructed?

Padre Dam MWD was formed in 197͚  as a merger of two agencies: Rio San Diego

Municipal Water District (formed in 1955) and Santee County Water District (formed in

195͚) (Padre Dam MWD, 201͚a). Recycled water was first developed in Padre Dam

MWDǯs service area in the early 19͚0s, with discharges to the Santee akes (opened in

19͚1 for recreational use). The Ray Stoyer WRF was originally constructed in 19͚8 and

upgraded in 1997 to its present‐day 2 MGD capacity (Padre Dam MWD, 201͚b).

Recycled water delivery system including pump station, reservoirs, and distribution

pipeline were constructed along with the Ray Stoyer WRF expansion in 1997.

e. Will the proposed project result in any modification of or effects to, individual features

of an irrigation system (e.g., headgates, canals, or flumes)? If so, state when those

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features were constructed and describe the nature and timing of any extensive

alterations or modifications to those features completed previously.

The Title XVI project will modify the existing Ray Stoyer WRF through expansion of the

facility, as well as the addition of the AWP facility.Because the advanced treated water

is a new source of supply, advanced water facilities, pipelines, and the pump station

will be new and not modify any individual features of an irrigation system.  ake

ennings has sufficient capacity to accommodate the 3,900 AFY advanced treated

water from the Title XVI Project, and would not reuire extensive modifications as a

result of the Project.

f. Are any buildings, structures, or features in the irrigation district listed or eligible for

listing on the National Register of Historic Places(NRHP)? A cultural resourcesspecialist

at your local Reclamation office or the State Historic Preservation Office can assist in

answering this question.

The project‐level environmental documentation completed for the 2015 MND and 2018

MND included project‐level cultural and historical records searches. The 2015 MND

found no historical resources within the Phase IA project area. The 2018 MND for

Phases IB and IC of the Title XVI Project found three historical resources within the area

of potential effect for the Project, though only one of these was recommended as

eligible for listing in the NR P, the San Diego Flume. The San Diego Flume was

constructed between 188͚ and 1889 and delivered water from Cuyamaca Dam to the

a Mesa Reservoir until 193͚. A portion of the Projectǯs pipeline would be routed

through the El Monte Tunnel of the San Diego Flume towards  ake ennings. The

Project would have a significant impact to the El Monte Tunnel, though mitigation

would be employed to reduce this impact to less than significant. Mitigation includes

designing the portion of the Project that would route through the El Monte Tunnel in

consultation with a ualified istoric Preservation Specialist and the California State

istoric Preservation Officer, and follow the Secretary of the Interiorǯs Standards for

the Treatment of istoric Properties.

g. Are there any known archeological sites in the proposed Project area?

There are no known archeological sites in the WRF and AWP sites for the Project. A

records search was conducted atthe SCIC on May 19, 2015 and a Sacred ands File (SF)

search was conducted on May 28, 2015. The results did not indicate the presence of

any archeological or Native American cultural resources. An on‐foot survey conducted

une 1, 2015 by a Native American monitor also found no presence of cultural resources.

During the construction activities a ualified archeologist will be retained and shall be

present to monitor initial ground disturbance of the project. The archaeologist shall

have the authority to temporarily halt or redirect ground‐disturbing activity if

necessary (Padre Dam MWD, 2015).

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The pipeline to  ake ennings may intersect a known cultural resource at some

sections, and there is potential for any Project activities in undeveloped areas to

encounter previously unrecorded archaeological resources.

The cultural resources report for the 2017 PEIR included a review of ASMǯs known

records but did not include formal records search due to the sie of the program area.

ASMǯs analysis of archaeological resources indicated some components of the Title XVI

project intersect a known cultural resources site. These components include the

conveyance pipelines from the AWT to Santee Basin that are no longer part of the Title

XVI project, as well as components of future phases notincluded in the Title XVI project

(Padre Dam MWD, 2017).

A project‐level Cultural Resources Assessment in 2018 found five archaeological

resources within the vicinity of the Title XVI project. Of these sites, two were located

within the APE for the project, though neither was relocated during surveys for the

Cultural Resources Assessment. These sites are assumed to still exist, and are both

prehistoric habitation sites (CA‐SDI‐10148  ȏP‐37‐010148Ȑ  and CA‐SDI‐13815  ȏP‐37‐

013812Ȑ). A 2018 SF search and subseuent Native American consultation indicates

sensitivity for cultural resources in the Project area. Construction monitoring and

recovery of cultural resources would be implemented to reduce potential impacts to

less than significant.

h. Will the proposed Project have a disproportionately high and adverse effect on low

income or minority populations?

The proposed Project is not anticipated to have a disproportionately high and adverse

effect on low income or minority populations. The 2018 MND found a less‐than‐

significant impact or no impact for population and housing indicators, public services

indicators, and recreation indicators. Transportation/traffic impacts will be mitigated

to less than significant. Noise was found to be at or below less than significant with

mitigation incorporated. Noise mitigation will include the use of mufflers and

limitations on the times of day when noise producing activities may occur. Based on

the findings of the MND, adverse effects are not anticipated for any of the

communities in or near the project area.

Conversely, the project will indirectly benefit the entire Padre Dam MWD service area,

including the DAC and minority populations, by increasing local supply reliability and,

in doing so, decreasing dependence on expensive imported water supplies. This shift

in supply will help protect against water rate increases associated with the need for

expensive water supply alternatives.

i. Will the proposed Project limit access to and ceremonial use of Indian sacred sites or

result in other impacts on tribal lands?

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The Project Activities will not have any impacts to tribal lands. A records search for the

Phase IA components was conducted at the SCIC on May 19, 2015 and a Sacred ands

File search was conducted on May 28, 2015. The results did not indicate the presence

of any archeological or Native American cultural resources. An on‐foot survey

conducted une 1, 2015 by a Native American monitor also found no presence of

cultural resources. During the construction activities, a  ualified Native American

monitor will be retained and shall be present to monitor initial ground disturbance of

the project. In the event that Project Activities uncover previously unknown cultural

resources, the Native American monitor will notify the lead agency, develop an

appropriate plan for the resource, and consult with Native American representatives

(Padre Dam MWD, 2015).

A Native American eritage Commission (NA C) consultation in anuary 2018

indicated the Project area was sensitive for cultural resources. Tribal consultation

resulted in a reuest for a umeyaay Cultural Monitoring to be present during ground‐

disturbing activities to alert workers to any inadvertent discovery of cultural artifacts,

cremation sites, or human burials. Construction monitoring and appropriate recovery

and documentation of cultural resources will be implemented during excavation

activities (Padre Dam MWD, 2018b).

j. Willthe proposed Project contribute to the introduction, continued existence, orspread

of noxious weeds or non‐native invasive species known to occur in the area?

It is not anticipated that the Project Activities will contribute to the introduction,

continued existence or spread of any invasive species. The project will take place on

disturbed, developed, and ornamental plant coverage areas and will not disturb native

vegetation communities. It is therefore unlikely that the project will cause the

introduction of invasive species in those areas.

3 Required Permits or Approvals

Padre Dam MWD identified permits that would be reuired for the Phase IA‐1 and Phase IA‐2

components (Ray Stoyer WRF Expansion and AWP Facility) in the MND that was certified in

uly 2015, and for Phases IA, IB, and IC in the 2018 MND. Reuired permits include:

 NPDES Permit for Treated Recycled Water Discharges into ake ennings: An NPDES

permit is reuired by the RWQCB to regulate discharges into the inland water body

(ake ennings) as described in the San Diego Basin Plan. The NPDES permit also

includes provisions from DDW for the potable reuse reuirements as stated in the

SWA regulations. The following list provides the current status and expected

progress with the ake ennings NPDES permitting.

o Received Conceptual Approval  etter from SWRCB‐DDW approving the

proposed advanced water treatment technologies for the East County AWP

project on March 7, 2017.

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o Received Conceptual Approval  etter from SWRCB‐DDW approving the

proposed East County AWP projectǯs reservoir augmentation at  ake

ennings on March 24, 2017.

o Completed Tracer Study before project implementation reuired in the SWA

Regulations in October 2017.

o Completed hydrodynamic modeling calibration and validation with Tracer

Study data and presented to an Independent Advisory Panel (IAP) in May

2019. Expecting to receive IAP approval in une 2020 which will be submitted

to DDW for approval.

o Received Conditional Acceptance  etter from the San Diego RWQCB

regarding the compliance approach for discharges into ake ennings for

reservoir augmentation on September 11, 2019.

o Draft Title 22 Engineering Report is expected to be completed in 2020 and

will be revised once the design‐build contractor finalies the design in 2021.

o Final Title 22 Engineering Report is expected to be submitted to DDW in early

2022 to initiate the regulatory review process to receive the NPDES permit.

o RWQCB review process is expected to start in early 2023 once the DDW

comments are addressed and DDW holds a public hearing. RWQCB review

process is expected to take 12 months. The NPDES permit adoption is

anticipated to occur in early 2024.

 Revised NPDES Permit and Waste Discharge Reuirements (WDR) for Ray Stoyer

WRF: The existing NPDES permit and WDD for Ray Stoyer WRF need to be revised

and approved by the RWQCB for the improvement proposed at the WRF. The WDR

will also address the use of sludge for the biosolids digestion facility in Phase IC.

 Construction Related Permits: A general construction permit, encroachment permits,

building permits, and 401 and 404 permits would need to be obtained before

construction begins by October 2021, if applicable.

Permits and approvals reuired for the completion of the Title XVI Project are listed in Table

3‐1 below.

Table 3‐1: Required Permits and Approvals for Title XVI Project

Permit/Approval Regulating Agency Criteria and Timelines

CEQA for Phase IA (WRF and

Advanced Water Purification Facility)

California Natural

Resources Agency

MND determined and prepared. NOD

issued in November 2015.

CEQA for Phases IA, IB, and IC California Natural

Resources Agency

PEIR for Phases IA, IB and IC completed in

May 2017. Tiered MND for Phases IA, IB,

and IC adopted in December 2018.

CEQA Plus (includes federal

crosscutters for NEPA compliance)

SWRCB Phase IA completed March 2017; Phases

IA, IB, and IC for revised project

anticipated by une 2020.

FONSI for Title XVI Project Reclamation Anticipated by Summer 2020

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Permit/Approval

Revised Discharge (NPDES) Permit

and WDR for Ray Stoyer WRF

Regulating Agency

RWQCB – San Diego

Criteria and Timelines

Anticipated to submit Title 22 Engineering

Report to DDW and RWQCB in 2022 once

the final design is completed.

Anticipated to finalie the permit

application process and obtain the permit

revision in 2024.

New NPDES Permit for advanced

treated water discharge into ake

ennings

General Construction Permit

Construction Permit

Building and Traffic Control Permit

Construction Permit

401 Certification

404 Permit (if necessary)

California Endangered Species Act

PRC Ț30͚00

Section 1͚02 Streambed Alteration

Agreement

Encroachment Permit

RWQCB – San Diego

SWRCB DDW

RWQCB – San Diego

San Diego County

City of Santee

San Diego Air Quality

Management District

SWRCB

.S. Army Corps of

Engineers

CDFW

CDFW

Caltrans

Anticipated to submit Title 22 Engineering

Report to DDW and RWQCB in 2022 once

the final design is completed.

Anticipated to finalie the permit

application process and obtain the permit

by early 2024.

Anticipated by October 2021 (before

construction starts)

Anticipated by October 2021

Anticipated by October 2021

Anticipated by October 2021

Anticipated by October 2021

Anticipated by October 2021

Anticipated by October 2021

Anticipated by October 2021

Anticipated by October 2021

RWQCB ί Regional Water Quality Control Board; SWRCB ί State Water Resources Control Board; DDW ί Division

of Drinking Water; CDFW  ί California Department of Fish  Ƭ Wildlife; Caltrans  ί California Department of

Transportation

4 Project Budget

4.1 Funding Plan and Letters of Commitment

The total cost for the Title XVI project including planning, design, and construction is

estimated to be $132,297,144. Costs for the Phase I Project to be completed by September

2023 are included in Table 4‐1. These activities are broken into four project components, (see

Section 1.2 Technical Project Description) as well as Planning/Design and Construction costs.

Costs expected to occur after September 2023 through project completion are also shown in

Table 4‐1. Planning and design for all four phases will occur between the end of 201͚  and

March 30, 2022. Construction will begin in October 2021 and be approximately  ͚5 percent

complete by the end of September 2023. Construction will continue between October 2023

and the end of 2024.

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Table 4‐1: Cost Estimate for the Title XVI Project

Budget Item Description Recipient Funding Total Cost

ocal Match DWR Prop 84

Previous Activities  

Ray Stoyer WRF Facilities Plan $27,493 $0 $27,493

Phase IA MND $84,͚7͚  $0 $84,͚7͚ 

Ray Stoyer WRF Planning and Design $1,918,539 $0 $1,918,539  

Advanced Water Purification Facility Planning and Design   $2,7͚8,931   $300,000 $3,0͚8,931  

AWP Pipeline and Pump Station   $2,320,992   $0 $2,320,992  

Biosolids Digestion Facility Planning and Design   $1,49͚,81͚  $0 $1,49͚,81͚ 

Subtotal Previous Activities $8,͚17,447 $300,000 $8,917,447   

Planned Activities Through September 2023     Ray Stoyer WRF Expansion

Planning and Design $3,931,717   $0 $3,931,717  

Construction $14,0͚1,40͚  $5,700,000 $19,7͚1,40͚      Advanced Water Purification Facility

Planning and Design $4,͚31,0͚9   $0 $4,͚31,0͚9  

Construction $21,500,000   $0 $21,500,000       AWP Pipeline and Pump Station

Planning and Design $3,521,488   $0 $3,521,488  

Construction $19,000,000   $0 $19,000,000       Biosolids Digestion Facility

Planning and Design $2,295,224   $0 $2,295,224  

Construction $11,500,000   $0 $11,500,000  

Subtotal Planned Activities Through Sept. 2023 $80,440,904 $5,700,000 $86,140,904

Planned Activities After September 2023     Ray Stoyer WRF Expansion

Planning and Design $0   $0 $0  

Construction $9,500,000 $0 $9,500,000       Advanced Water Purification Facility

Planning and Design $0   $0 $0  

Construction $13,920,000   $0 $13,920,000       AWP Pipeline and Pump Station

Planning and Design $0   $0 $0  

Construction $7,875,406 $0 $7,875,40͚      Biosolids Digestion Facility

Planning and Design $0   $0 $0  

Construction $5,943,387   $0 $5,943,387  

Subtotal Planned Activities After Sept. 2023 $37,238,793   $0   $37,238,793  

Total Direct Costs $126,297,144   $6,000,000   $132,297,144  

Indirect Costs $0   $0   $0  

Total Project Costs $126,297,144   $6,000,000   $132,297,144  

4.1.1 Sources of Funding

The Title XVI Project has secured three sources of funding to‐date: 1) Reclamationǯs Title XVI

funding, 2)IRWM implementation grantfunding, and 3) Padre Dam capital funds. Additionally,

Padre Dam MWD has submitted an application package for grant and low‐interest loan dollars

to fund Phase 1 through SWRCBǯs Clean Water State Revolving Fund (CWSRF) program.

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SWRCB has completed the application review and a financing agreement was executed in

October 2017; however, due to changes in the project elements, the financial agreement was

withheld and is under revision. Padre Dam MWD anticipates that principal forgiveness will be

available for $15 million of this loan after completion of the Project, but until such forgiveness

has been awarded, Padre Dam MWD is considering the entire amount a loan for accounting

purposes. Padre Dam MWD expects to have a signed agreement for the Phase I funding

allocation this year.

In 2019, Padre Dam MWD submitted a etter of Interest to the SEPAǯs Water Infrastructure

Finance and Innovation Act (WIFIA) program for a $342 million low‐cost supplemental loan to

fund both Phase I and Phase II. The SEPA ualified the project and invited Padre Dam MWD

to move forward in the application process. Padre Dam MWD is currently working with the

SEPA on the application package and intends to submit a full application package for the

WIFIA loan this year. owever, this loan has not been included as a funding source in this

application since it has not yet been secured.

Project costs not covered by grants or loans currently awarded, being pursued, or anticipated

to be pursued, are expected to be funded by Padre Dam MWD through their Sewer System

Net Revenues, Water System Net Revenues, and Wastewater Funds.

Reclamation’s WaterSMART Title XVI Program

The maximum amount covered by Title XVI funds is 25Ψ  of total project costs, with total

project costs at approximately $132 million. To complete the Title XVI Project and deliver 3,900

AFY potable reuse water, Padre Dam MWD reuests a total of $33,074,28͚ in Federal funds to

meet the maximum federal contribution of 25Ψ of total project costs. The Title XVI Project was

previously awarded $1͚,570,353 from Reclamationǯs WaterSMART Title XVI Fiscal Year 201͚,

Fiscal Year 2017, Fiscal Year 2018, and Fiscal Year 2019 solicitations, and therefore reuests an

additional $1͚,503,933 in Federal funding under this and future Title XVI solicitations in order

to obtain maximum Title XVI grant funding. This funding has helped Padre Dam continue to

move forward with implementation and allowed the project to continue moving towards

construction. The remaining funding is anticipated to be covered by a combination of Federal,

State, and local funding including a CWSRF grant/loan from SWRCB. Each funding source is

described in more detail below.

Proposition 84 Grant

Padre Dam MWD has received an award of $͚,000,000 in Proposition 84 grant funding

through DWR as part of the San Diego IRWM Regionǯs 2015 implementation grant proposal.

A copy of this award letter has been provided in Appendix C.

Local Wastewater Funds

Monies from the Wastewater Funds are made available by treating additional wastewater at

the Ray Stoyer WRF rather than paying for it to be treated at Point oma WWTP. Projected

costs for disposal of wastewater to the Metro System range from $5,748/MG and $11,305/MG

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

between 2025 and 2040, averaging $7,858/MG during those years. These projections also

account for future costs for improvements related to the recycled water projects proposed

upstream of the Point oma WWTP. This is substantially higher than the average $2,330/MG

estimated for wastewater treatment at the Ray Stoyer WRF and will allow for the use of

Wastewater funds to increase the capacity of the facility. Avoiding the costs of sending

wastewater to the Metro System will save Padre Dam MWD money, which will be used to

partially fund the costs of the Title XVI Project via the Wastewater Funds. The costs saved

from reducing imported water purchases from SDCWA will also be used to partially fund the

Title XVI Project to create new potable reuse water. This Funding Plan assumes Padre Dam

MWDǯs Wastewater Funds will contribute $10,000,000 to the project costs.

CWSRF Grant/Loan

Padre Dam MWD has applied to SWRCB for, and was preliminarily awarded, $11͚,200,000 in

funding for Phase I from the CWSRF and is currently awaiting finaliation of the funding

agreement. Because the funding package from SWRCB consists of low interest loans (at an

interest rate of ̱1.8Ψ) and principal forgiveness for $15 million after completion of the Project,

the amount financed through the CWSRF program would be finalied based on the amount

of grant funding awarded by Reclamation through the Title XVI Program. In other words, any

CWSRF financing received will be used only after grant funding sources are exhausted. The

Funding Plan shown in Table 4‐2 assumes that non‐federal costs that have not received grant

funding will be covered by a combination of a CWSRF loan and grant, in the amount of

approximately $83 million. Although the financial agreement was signed in October 2017, due

to changes in the project elements and the execution timeline, the financial agreement is

currently under amendment and a final decision on the revised financial agreement is

anticipated in 2020. Because the final financing agreement amendment has not yet been

executed, the CWSRF funds have not yet been secured. If funding is not secured through the

CWSRF, then the project will be funded through Padre Dam MWDǯs Wastewater Funds, Sewer

System Net Revenues, and Water System Net Revenues. A summary of the funding sources is

provided in Table 4‐2.

WIFIA Loan

Padre Dam MWD is in the process of applying to the SEPAǯs WIFIA program for a $342 million

low‐cost supplemental loan to fund both Phase I and Phase II. Padre Dam MWD expects to

submit a complete application within this year. owever, this reuest is not reflected in Table

4‐2 as the application materials have not yet been submitted and the funding has not been

secured. If funding is not secured through WIFIA, then the project will be funded through

Padre Dam MWDǯs Wastewater Funds, Sewer System Net Revenues, and Water System Net

Revenues.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 4‐2: Summary of Non‐Federal and Federal Funding Sources

Funding Sources Funding Amount

Non‐Federal Entities

1. DWR (Proposition 84 Grant) $͚,000,000

2. Padre Dam MWD Wastewater Funds $10,000,000

3. SWRCB (CWSRF)1 $83,222,858

Non‐Federal Subtotal: $99,222,858

Federal Entities

1. Requested Title XVI Funding (Total) $33,074,28͚ 

a. Awarded Title XVI Funding – FY16 $4,500,000

b. Awarded Title XVI Funding – FY17 $3,900,000

c. Awarded Title XVI Funding – FY18 $7,392,351

d. Awarded Title XVI Funding – FY19 $778,002

Requested Reclamation Funding under this FOA: $16,503,933

Total Project Funding: $132,297,144 1

SRF dollars have been applied for but not yet awarded. In the event that SRF dollars are not awarded, or the full amount not

awarded, Padre Dam MWD will cover these costs with Wastewater System and Water System revenues, bonds, or funds from

other grant or loan programs.

4.1.2 Letters of Commitment

Padre Dam MWD has secured funding through Proposition 84 IRWM funding. Padre Dam

MWD has included a copy of the Proposition 84 IRWM grant award letter from DWR to

SDCWA for the regionǯs application, which included the Title XVI Project, along with

announcements of funding awarded through previous Title XVI FOAs, as Appendix C. No other

outside sources of funding have been secured to‐date. Padre Dam MWD anticipates receiving

a grant/loan through the CWSRF program. Should an award be forthcoming under that

program, Padre Dam MWD will submit a copy of the award letter to Reclamation.

4.2 Budget Proposal

The Title XVI Projectǯs detailed budget proposal is provided in Table 4‐3, followed by a

narrative explanation of the costs included. Costs have been negotiated with Reclamation

during the contracting process for previous yearsǯ  successful Title XVI applications and

associated funding agreements, and while some adjustments have been made to

accommodate project changes, the revised costs remain within the guidelines provided by

Reclamation during previous contracting periods. The budget proposal includes all project

costs, not just those through September 2023.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Table 4‐3: Budget Proposal1

BDGET ITEM DESCRIPTION

Value

COMPTATION

nit Quantity TOTA COST

SAARIES AND WAGES

Engineer (Salary Grade 33) $48.00 hr 7140 $342,720

Engineer (Salary Grade 33) $50.00 hr 7140 $357,000

Engineer (Salary Grade 36) $55.00 hr 7140 $392,700

Engineer (Salary Grade 41) $͚͚.00 hr 7140 $471,240

CIP Engineering Manager $70.00 hr  ͚800 $47͚,000

Director of Engineering and Planning $80.00 hr 3400 $272,000

Engineering Technician (Salary Grade 25) $45.00 hr 3480 $15͚,͚00

Director of Operations and Water Quality $80.00 hr 3478 $278,240

Assistant Operations Manager $55.00 hr 3475 $191,125

Plant Manager $58.00 hr 3475 $201,550

Recycled Water Operations Supervisor $40.00 hr 1930 $77,200

Construction Inspector (Salary Grade 23) $40.00 hr 1930 $77,200

Administrative Assistant (Salary Grade 18) $30.00 hr 2400 $72,000

GIS/CAD Specialist (Salary Grade 22) $35.00 hr 2500 $87,500

Subtotal $3,453,075

FRINGE BENEFITS

For All Positions ͚0.2͚  Ψ  $2,080,823

Subtotal $2,080,823

SPPIES AND MATERIAS

Incorporated into Contractual Costs $  ‐

Subtotal $  ‐

EQIPMENT

Incorporated into Contractual Costs $  ‐

Subtotal $  ‐

TRAVE 

Incorporated into Contractual Costs $  ‐

Subtotal $  ‐

CONTRACTA 

In‐Place Contracts

Ray Stoyer WRF Facilities Planning Study ls $27,493 $27,493

Ray Stoyer WRF Phase 1 Expansion MND ls $84,͚7͚  $84,͚7͚ 

Kennedy Jenks As Needed Support

Contract‐Term 1

ls $3,͚58,870 $3,͚58,870

Kennedy Jenks As Needed Support

Contract‐Term 2

ls $2,1͚3,000 $2,1͚3,000

Kennedy Jenks As Needed Support

Contract‐Term 3

ls $1,459,275 $1,459,275

Future Contracts

AWP Program Planning

Ray Stoyer WRF Expansion ls $115,012 $115,012

AWP Facility ls $11,0͚9 $11,0͚9

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

BDGET ITEM DESCRIPTION   COMPTATION   

AWP PS and Pipeline

Value  

  

nit Quantity

ls   $1͚,000  

TOTA COST  

$1͚,000  

Solids Handling    ls   $20,000   $20,000  

AWP Facilities Design      

Ray Stoyer WRF Expansion    ls $3,053,3͚4 $3,053,3͚4

AWP Facility    ls $3,9͚0,000 $3,9͚0,000

AWP PS and Pipeline    ls $2,978,049 $2,978,049

Solids Handling    ls $1,820,179 $1,820,179

AWP Facilities Construction      

Ray Stoyer WRF Expansion    ls $28,752,512 $28,752,512

AWP Facility    ls $34,980,000 $34,980,000

AWP PS and Pipeline    ls $2͚,523,780 $2͚,523,780

Solids Handling    ls $17,140,023 $17,140,023

         Subtotal $126,763,302

TOTA DIRECT COSTS $132,297,200

           

INDIRECT COSTS Rate  ‐ Base  ‐

   Ψ     $                  ‐

TOTA PRO
ECT/ACTIVITY COSTS: $132,297,200

1 Some differences may occur due to rounding

                 

         

   

     

                           

                           

                         

                       

               

               

           

                           

  

   

                             

                             

                           

                 

                     

           

4.3 Budget Narrative

Salary and Wages

Salary and wages include standard rates for Padre Dam MWD staff, exclusive of fringe

benefits. ey personnel are identified by title, with the number of hours available based on

anticipated workload and project schedule. Padre Dam staff role is being the Program

Manager during the Title XVI Project execution including managing the engineering planning

and design work, overseeing construction and construction management work, interagency

coordination MO  agreements for the project execution, coordination with regulatory

agencies for permitting, environmental compliance coordination, and public outreach.

Consultants will supplement the Padre Dam staff for planning, design, and construction of the

facilities.

Fringe Benefits

Padre Dam MWDǯs fringe benefits are just over ͚0Ψ of staff costs for all positions at Padre

Dam MWD based on FY1͚ data. This benefit value was derived by Padre Dam MWDǯs financial

staff and reflects standard rates and benefits at the agency. Fringe benefits include medical

insurance, disability insurance, workers compensation insurance, and retirement benefits.

Fringe benefits were previously approved by Reclamation during contracting for funding

awarded under previous Title XVI FOAs.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Travel

No travel costs for Padre Dam MWD staff are included in the Title XVI Project. Any travel that

might be incurred by Padre Dam MWD staff would be considered part of normal operations

and not specific to the Project. Travel costs incurred by consultants and contractors are

incorporated into contractor costs.

Euipment

No euipment is anticipated to be purchased by Padre Dam MWD for this project. Any

euipment used during construction is included in the contractor costs.

Materials and Supplies

Materials and supplies are included in contractor costs and are not expected to be directly

incurred by Padre Dam MWD. Any materials and supplies purchased directly by Padre Dam

MWD are anticipated to be part of normal operations of the agency (e.g., printer paper) and

not specific costs for the Title XVI Project.

Contractual

The majority of the project costs are for contractors. Padre Dam MWD has executed (and in

some cases completed) contracts for the Facilities Planning Study, Phase I Expansion MND,

and an as‐need support for the Phase I project. These total $5.25 million. Padre Dam MWD is

at 10Ψ design for the Phase I project and has initiated the contracting process for all Title XVI

Project components. RFQs have been issued for the project components. RFPs are expected

to be issued in April 2020. Engineer estimates, planning studies, and previous experience were

used to develop projected costs anticipated forfuture contractual work. When such contracts

are awarded, they will be submitted to Reclamation upon reuest. Any contract awarded

between submittal of this application and submittal of a future Title XVI application will be

included in an appendix, or at the reuest of Reclamation.

Third‐Party In‐ind Contributions

The proposed project does not include third‐party in‐kind contributions. This budget

classification is not applicable.

Environmental and Regulatory Compliance Costs

Federal environmental compliance will be achieved through a Finding ofNo SignificantImpact

(FONSI), which is expected to be completed by Summer 2020 based on personal

communication with Doug McPherson of Reclamation. Reclamationǯs costs for environmental

compliance to develop the FONSI were estimated at $10,5͚0 and were withheld from the

FY201͚ and FY2017 Title XVI grants previously awarded to Padre Dam MWD for this Project. As

such, these costs have not been included in this application.

Other Expenses

No other expenses are included in the Title XVI Project.

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Indirect Costs

No indirect costs are included in the Title XVI Project.

Total Costs

Total capital costs for the Title XVI Project are $132,297,200, based on the sum of the costs

described above.

5 Letters of Support

Padre Dam MWD has received letters of support from the following 17 organiations for the

Title XVI Project; copies of these letters are provided as Appendix A of this application:

 elix Water District

 San Diego County Board of Supervisors

 City of El Cajon

 Otay Water District

 California Regional Water Quality Control

Board, San Diego Region

 Congressman Duncan unter, 50th

District, California,  .S. ouse of

Representatives

 City of Santee

 Metro Wastewater PA

 Sycuan Band of the umeyaay Nation

 San Diego IRWM Program

6 Official Resolution

 Water Reliability Coalition

 Senator oel Anderson, 3͚th Senate

District, California egislature

 Assemblyman Brian ones, 71st District,

Assembly, California egislature

 Assemblyman Randy Voepel, 71st District,

Assembly, California egislature

 County Supervisor Dianne acob, 2nd

District, San Diego County Board of

Supervisors

 Senator Brian W. ones, 38th Senate

District, California egislature

 Viejas Band of umeyaay Indians

On February 3, 2020, Padre Dam MWDǯs Board of Directors authoried Padre Dam MWDǯs

General Manager(or his designee)to apply for and enter into an agreement forfunding under

this FOA and confirmed that Padre Dam MWD will be able to provide the reuired 75Ψ funding

match. A copy of the adopted resolution is provided as Appendix B.

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Padre Dam Water Recycling Facilities – Phase I Expansion

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7 References

ƌŽnjŽǀŝĐ͕E͕͘͘>͘^ƵŶĚŝŶŐ͕ĂŶĚ͘ŝůďĞƌŵĂŶ͘ϮϬϬϳ͘͞ƐƚŝŵĂƚŝŶŐďƵƐŝŶĞƐƐĂŶĚƌĞƐŝĚĞŶƚŝĂůǁĂƚĞƌ

ƐƵƉƉůLJŝŶƚĞƌƌƵƉƚŝŽŶůŽƐƐĞƐĨƌŽŵĐĂƚĂƐƚƌŽƉŚŝĐĞǀĞŶƚƐ͘͟tĂƚĞƌZĞƐŽƵƌĐĞƐZĞƐĞĂƌĐŚ͘sŽů͘ κϯ͕

tϬΘκϮϯ͘

ƵĐŬ͕^͕͘D͘ƵĨĨŚĂŵŵĞƌ͕^͘,ĂŵŝůƚŽŶ͕ĂŶĚ͘^ƵŶĚŝŶŐ͘ϮϬϭς͘͞DĞĂƐƵƌŝŶŐtĞůĨĂƌĞ>ŽƐƐĞƐĨƌŽŵ

hƌďĂŶWater^ƵƉƉůLJŝƐƌƵƉƚŝŽŶƐ͘͟:ŽƵƌŶĂůŽĨƚŚĞƐƐŽĐŝĂƚŝŽŶŽĨŶǀŝƌŽŶŵĞŶƚĂůĂŶĚ

ZĞƐŽƵƌĐĞĐŽŶŽŵŝƐƚƐϯ͕ŶŽ͘ϯ͘^ĞƉƚĞŵďĞƌ͘

California Department of Water Resources (DWR). 2019. State Water Project Allocations

Increase to 75 Percent. une 20. Available at: https://water.ca.gov/News/News‐

Releases/2019/ une/State‐Water‐Project‐Allocations‐Increase‐to‐75‐Percent

California Department of Water Resources (DWR). 2018. State Water Project Allocations

Increase – 35%. May 21. Available at: https://water.ca.gov/‐/media/DWR‐Website/Web‐

Pages/Programs/State‐Water‐Project/Management/SWP‐Water‐Contractors/Files/18‐05‐

A‐State‐Water‐Project‐Allocation‐Increase‐‐‐35‐

Percent.pdfǫlaίenƬhashί͚20C39A217F8FAF7E4E12214F5479799B7CBB͚71

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85 Percent. April 14. Available at: http://wdl.water.ca.gov/swpao/docs/notices/17‐05.pdf

California Department of Water Resources (DWR). 201͚. State Water Project Allocations

Increased. April 21. Available at:

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Increased Slightly. March 2. Available at:

http://www.water.ca.gov/news/newsreleases/2015/030215allocation.pdf

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Contractors – 2014 State Water project Allocation Increase back to 5 Percent. April 18.

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Station 184: San Diego II. February 5. Available:

https://cimis.water.ca.gov/WSNReportCriteria.aspx.

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https://www.sandiego.gov/sites/default/files/pure̴water̴san̴diego̴fact̴sheet̴9‐15‐

1̴͚1.pdf

City of San Diego. 201͚. PureWater San Diego FAQ. October. Available:

https://www.sandiego.gov/sites/default/files/pure̴water̴san̴diego̴fa̴‐̴10‐20‐1͚.pdf

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Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

City of San Diego. 2012. Recycled Water Study. uly. Available:

https://www.sandiego.gov/sites/default/files/legacy/water/pdf/purewater/2012/recycledf

inaldraft120510.pdf

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https://www.sandiegocounty.gov/content/sdc/awm/Drought.html

Metropolitan Water District of Southern California and  .S. Bureau of Reclamation

(Metropolitan and Reclamation). 1999. Salinity Management Study. une. Available:

http://www.socalsalinity.org/pdfs/1999salinityreport.pdf

National Oceanographic and Atmospheric Administration (NOAA). 2018. DzSeasonal Rainfall

San Diego, CAdz. Accessed 2͚  une 2018. Available:

https://www.wrh.noaa.gov/sgx/display̴text.phpǫproductίAXWRPCPƬtitleίSeasonal

Ψ20Rainfall

Padre Dam Municipal Water District. 2015a. Padre Dam Water Recycling Facility Phase 1

Expansion Facilities Planning Report. October. Prepared by ennedy/ enks.

Padre Dam Municipal Water District. 2015b. East County Regional Water Reuse Program

Planning Study. November. Prepared by ennedy/ enks.

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Minimization: Innovative Recovery RO Testing. February.

Padre Dam Municipal Water District. 201͚a. 2015 Urban Water Management Plan. une 15.

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Padre Dam Municipal Water District. 2017. Comprehensive Facilities Master Plan Final Program

Environmental Impact Report. May.

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Draft Technical Memorandum. May.

Padre Dam Municipal Water District. 2018b. East County Advanced Water Purification Project

Final Initial Study/Mitigated Negative Declaration. December.

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Diego Basin. April. Available at:

http://www.waterboards.ca.gov/sandiego/water̴issues/programs/basin̴plan/index.sht

ml

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management/water̴resources/2015Ψ20WMPΨ20FinalΨ200͚22201͚.pdf

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Padre Dam Water Recycling Facilities – Phase I Expansion

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San Diego County Water Authority. 2015. Imported Water. Website. Accessed November 14,

201͚. Available at: http://www.sdcwa.org/imported‐supplies

San Diego Regional Water Management Group (SDRWMG). 2019. 2019 San Diego Integrated

Regional Water Management Plan. December. Available: http://sdirwmp.org/2019‐irwm‐

plan‐update

San Diego Regional Water Management Group (SDRWMG). 2014. 2014 IRWM Drought

Solicitation Implementation Grant Proposal – San Diego IRWM Region. August.

Southern California Salinity Coalition. 2012. Salinity Management Study  pdate. une.

Accessed 11 uly 2018. Available: http://www.socalsalinity.org/saltstudy.htm

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State Water Resources Control Board (SWRCB). 201͚. Feasibility of Developing Uniform Water

Recycling Criteria for DPR – Report to the Legislature, September 2016 Public Review Draft.

September 8. Accessed November 28, 201͚. Available at:

http://www.waterboards.ca.gov/drinking̴water/certlic/drinkingwater/documents/rw̴d

pr̴criteria/draft̴report̴to̴legislature̴dpr̴public̴review.pdf

.S. Environmental Protection Agency. 2014. Interactive Conversion Tool. Accessed

November 18, 2015. Available at: http://www3.epa.gov/lmop/projects‐

candidates/interactive.html

.S. Bureau of Reclamation and California Department of Water Resources (Reclamation and

DWR). 2013. Bay Delta Conservation Plan – Public Draft. Retrieved on December 9, 2013.

Available at:

http://baydeltaconservationplan.com/PublicReview/PublicReviewDraftBDCP.aspx

.S. Drought Monitor. 2019. .S. Drought Monitor. Available:

https://www.drought.gov/drought/data‐gallery/us‐drought‐monitor

.S. Federal Register. 2015. Change in Discount Rate for Water Resources Planning. December

17. Accessed November 23, 201͚. Available at:

https://www.federalregister.gov/documents/2015/12/17/2015‐31717/change‐in‐discount‐

rate‐for‐water‐resources‐planning

WateReuse. 2011. Seawater Desalination Power Consumption White Paper. November.

Accessed November 28, 201͚. Available at: https://www.watereuse.org/wp‐

content/uploads/2015/10/Power̴consumption̴white̴paper.pdf

71
                 

         

     

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

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72
                 

         

         

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Appendix A – Letters of Support

73
                 

         

     

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

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74
7811 University Avenue 

La Mesa, CA 91942-0427 

Helix Water District (619) 466-0585 

FAX (619) 466-1823 

www.hwd.com 

Setting standards of excellence in public service 

October 3, 2014 

Allen Carlisle 

CEO / General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle: 

Helix Water District's Board of Directors unanimously support Padre Dam Municipal 

Water District's Advanced Water Purification Demonstration project. This project will 

create a drought-resistant water supply. 

The water re-purification process is a safe, cost-effective, locally controlled and 

environmentally responsible water source option. The water that is produced will be 

tested daily to ensure it meets the public health objectives for the California Public Health 

Department. 

Regionally, water providers can significantly reduce our reliance on imported water 

currently traveling from hundreds of miles away. This project offers San Diego East 

County communities the opportunity to protect our future and regain control of an 

important resource. 

Helix Water District commends Padre Dam Municipal Water District's work to diversify 

water supplies and increase their independence and control over their own local water 

source. 

Sincerely, 

Charles W. Muse 

President, Board of Directors 
s,n·mx "" n/1('' v/:

£/ c,,,,,,. DIANNE JACOB 

LtrMesa CHAIRWOMAN. SECOND DISTRICT lrmm1 Cro1•e $AN DIEGO COUNTY B0/\RO OF SUPERVISORS 

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Allen Carlisle 

CEO / Q I M encra an ager 

Padre Dam Municipal Water District • 9300 Famta Parkway 

Santee, CA 92071 

Dear M ~ "·'~ ·: -----

As Supervisor for the Second Supervisorial District in San piego County, I am writing in 

support of Padre Dam's grant-funded Advanced Water Purification pilot project. I understand 

this project will test the feasibility for achieving a new source ofpurified water for East San 

Diego County. 

East San Diego County has been a place for leadership and innovation in water and . . . 

wastewater treatment smce the late 1950s. The Santee Lakes are a result offorward-thmkmg 

wastewater treatment efforts from decades ago. I am pleased to see that the current leadership 

is following in this tradition ofinnovation as you work to achieve water independence. The 

communities of Santee, Alpine, Blossom Valley, Crest, Harbison Canyon, Flinn Springs, 

Dehesa and parts ofEl Cajon will directly benefit from your work to expand local water 

resources. Your pilot project offers a step toward water independence and reliability for East 

County' 

Water is a precious resource that we must protect, conserve and recycle. I support your • • . efforts to strive for expansion ofour local supply and increase our independence and control, 

as well as securing long-term solutions for regional stability. The Padre Dam Advanced 

Water Purification project offers San Diego County communities the opportunity to protect

our future and regain control ofan important resource. 

Chairwoman Second District 

DJ: mp/ac 

1600 PACIF<C HIG>IWAY, ROOM 335 • SAN O,Etl0, CALIFORNIA 92101-2470 

(619) 531-5522 • FAX: (619) 696-7253 • TOLl F'REf: SOC>-852-7322 

250 E. MAIN STREET, SUlTE 169 • El CAJON, CAUFORNlA 92020-3941 

www.diannejacob.com, Ei.tAIL: dlanne.Jacob@sdcounly.ca.gov 
Mayor and City Council The Valley ofOpportunity 

C'o ~~ ~ '\.~ 

~Porate.~ 

October 6, 2014 

Allen Carlisle 

CEO/General Manager 

Padre Dam Municipal Water District 

9300 Far.!ta Parkway 

Santee, CA 92071 

Dear Mr. Carlisle: 

I am pleased to inform you that the El Cajon City Council unanimously supports Padre Dam Municipal 

Water District's Advanced Water Purification Demonstration Project. 

The water re-purification process is a safe, cost-effective, locally controlled, and environmentally 

responsible water source option. Regionally, water providers will be able to significantly reduce the 

reliance on imported water currently traveling from hundreds of miles away. As a result, this project 

offers residents of El Cajon and neighboring communities the opportunity to protect their future and 

regain control of an important resource. 

The City of El Cajon applauds Padre Dam Municipal Water District's work to diversify water supplies and 

increase its independence and control over the local water sources. 

Sincerely, 

Bill Wells 

Mayor 

City of El Cajon 

City ofEl Cajon • 200 Civic Center Way• El Cajon, CA 92020 

(619) 441-1788 • Fax (619) 441-1770 

www.cityofelcajon.us 
... COndirolrd In Cnm1111111il~ ~r.Hi<•P 

2554 SWEETWATER SPRINGS BOULEVARD, SPRING VAlliY, CALIFORNIA 91978-2004 

TELEPHONE: 670-2222, AREA CODE 619 www.otaywater.gov 

January 26, 2015 

Allen Carlisle, CEO/General Manager 

Padre Dam Municipal Wat er District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle: 

On behalf of the Otay Water District, please accept this letter in support of the Padre Dam Municipal 

Water District's Advanced Water Purification Demonstration Project. Water re-purification is a safe, 

cost-effective and environmentally responsible source of new water for the region. 

Padre Dam and Otay each have long histories in water recycling that go back more than 50 years. 

Both of our agencies are viewed as leaders in water recycling as well as strong proponents of water 

reuse. Long ago we each recognized that with limited local resources, water reuse and recycling can 

significantly reduce our reliance on water imported from hundreds of miles away. Recycling and 

reusing water is also a drought proof and locally controlled supply of water. 

We applaud Padre Dam Municipal Water District both for your commitment to water recycling and 

for a demonstration project that will further diversify local water supplies. With the state of California 

likely entering its fourth year of extremely dry conditions, water re-purification will create another 

drought proof supply of water for the region and further our goal of increasing water independence. 

We wish your organization great success with this new project. 

s~ Oa/~ 

Jose Lopez, President 

Otay Water District 

cc: Board of Directors 

Mark Watton, General Manager 
-

0 ,I, I..,.,. O ... t A

Water Boards 

California Regional Water Quality Control Board, San Diego Region 

October 9, 2014 In Reply Refer to: 

RECEIVED 

33680:jchan 

OCT 2 1 2014 

Mr. Allen Carlisle 

CEO/ General Manager PADRE DAM MWD 

ADMINISTRATION 

Padre Dam Municipal Water District 

Subject: Padre Dam Municipal Water District's Advanced Water Purification Project 

Mr. Carlisle: 

As the Executive Officer of the California Regional Water Quality Control Board, San Diego 

Region, I am writing to express this agency's support for Padre Dam Municipal Water District's 

Advanced Water Purification Demonstration Project. The ongoing, devastating statewide 

drought underscores the urgent need for forward looking projects like this one to build a 

sustainable local water supply for the San Diego Region. 

The San Diego Water Board's Practical Vision recognizes that to create a sustainable local 

water supply, we must use groundwater and surface water in an environmentally responsible 

way, create sources of fresh water through innovative projects, and conserve water to reduce 

demand. At a statewide level, the Governor has called upon Californians to increase the use 

of recycled water over 2002 levels by at least one million acre-feet per year by 2020, and by at 

least two million acre-feet per year by 2030. The Advanced Water Purification Project 

implements the Practical Vision for a sustainable local water supply and responds to the 

Governor's call to increase recycled water use in a significant way. 

Padre Dam Municipal Water District is a recognized leader in innovative wastewater treatment 

and recycled water projects. The San Diego Water Board supports your continuing efforts to 

decrease the Region's reliance on imported water. We look forward to working closely with 

your agency as you develop the Advanced Water Purification Project from demonstration to 

implementation. 

DWG:jac 

H ENRY A BARBANEL, C t1AIR j D AVID GIBSON, EXECUTIVE O FFICER 

2375 Northside Drive, Suite 100, San Diego, CA 92108-2700 I (619) 516-1990 j www.waterboards.ca.gov/sandiego 

... 

"' Recycled Paper 
COMMITTEE ON ARMED SERVICES WASHINGTON, DC OFFICE: 

COMMITTEE ON 

EDUCATION AND THE WORKFORCE 

223 CANNON Housr Orne, Bu, DING 

WI\SHINGTON, DC 20515 

fELFPHONC" (202) 225-5672 

COMMITTEE ON TRANSPORTATION DISTRICT OFFICES: 

AND INFRASTRUCTURE El CAJON TELEPHONE! (6191448-5201 

CHAIRMAN, Su8COMMITTEE ON Tl-IE COAST ESCONDIDO TEL[PHON[" {7601743--3260 

GUARD ANO MARITlM[ TRAN$PORTA110N TFMCCUIA lllf•HONF: (951) 695-5108 

Bunrnn ih.untcr 

·n.s. !louse of 'Rcprc.scntatiocs 

50th Bisttin, (Tolifomia 

October 22, 2014 

Mr. Allen Carlisle 

CEO I General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle: 

I am writing to indicate my full support for Padre Dam Municipal Water District's 

Advanced Water Purification Demonstration Project and to congratulate you and the District 

Board of Directors for pursuing an innovative alternative that will serve as an additional water 

resource for our community. As you know, it is imperative that we investigate the feasibility of 

every option available regarding effective water management and wastewater treatment is a 

reliable, safe approach that has the potential to provide water resource and economic dividends 

well into our future. 

It is my understanding that this project will test the feasibility ofcreating a new source of 

approximately 2,000 to 3,000 acre feet per year of purified water for East San Diego County, 

thereby reducing our dependency on outside sources of imported water. Additionally, by 

utilizing Advanced Water Treatment technologies, the water produced through this project will 

meet or exceed state regulations and will be locally controlled, drought-proof and 

environmentally sound. 

Caiifornia 's current drought conditions, coupled with San Diego County's historical 

reliance on imported water, mandate that we create a water management portfolio that utilizes 

conservation, desalination, reservoir and aquifer storage, and reclamation projects. I am pleased 

to provide my support for this important project and remain available to assist with any federal 

assistance the District may need to ensure it is fully implemented. 

With best wishes. 

www.hunter.house.gov 
COMMITTEES: 

l)1,,,r..:r ( ·•11m,:d, 

L'n1t1t.-J ~.,n DLl"L!"ll 

RANDY VOEPEL 

MAYOR 

Emt'tt.:t"nl \ ..,_l'fYll..t.'' ( '1-i.:Jn1;,,t:,•n 

l 'm. ~-h.·d ,, ·n , .. , •mmttrc..·t' 

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,·\ud11•T1I\ <.:llllltlll'-'h•n 

August 8, 2014 

h 

Allen Carlisle 

. n CEO/ General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Dear Mr. Carlisle, 

As Mayor of Santee, I support Padre Dam Municipal Water District's Advanced 

Water Purification Demonstration Project. The economic benefits of having a 

reliable source of water are vital to the communities in this region. 

This project will considerably reduce reliance on imported water which is currently 

imported from hundreds of miles away at significant cost. San Diego East County 

communities will hav_e the opportunity to protect the future and regain control of an 

important resour . I am proud of Padre Dam's work to diversify water supplies 

/ /end='ntrol of/r own local water source. 

r... .. :w "1 l.,lt,,,,rn,, l:,tt,·, 

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;- t/ ~~ / ,-'j/ ,1/ 

10601 Magnolia Avenue • Santee, California 92071-1266 • (619) 258-4100 

80
METRO WASTEWATER JPA 276 Fourth Avenue, Chula Vista, CA 91910 619-691-5044 

Mayor, Ci 

www.metrojpa.org Cheryl Cox, Chair 

RECEIVED October 16, 2014 

OCT 2 I 2014 

Allen Carlisle PADRE DAM MWD 

CEO/ General Manager ADMINISTRATION 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Re: Letter of Support from the Metro Wastewater JPA for Padre Dam Municipal Water District's 

Advanced Water Purification Demonstration Project 

Dear Mr. Carlisle, 

Padre Dam's proposal to diversify water supplies and increase its independence and control of over local water 

sources could lead to reductions on San Diego County's reliance of imported water from hundreds of miles 

away. The Metro Wastewater JPA supports Padre Dam Municipal Water District's Advanced Water Purification 

Demonstration Project for these reasons: 

1. The economic benefits of having a reliable source of water such as that proposed by this project will create 

a drought-resistant water supply; 

2. The water re-purification process is a safe, cost-effective, locally controlled and environmentally 

responsible water source option; and 

3. This project offers Metro JPA members in the San Diego's East County the opportunity to control an 

important resource which, if implemented, also benefits the JPA and the City of San Diego. 

The JPA has worked cooperatively for several years with our participating agencies, including Padre Dam, on 

plans to offload wastewater flows from the Point Loma Wastewater Treatment Plant and potentially to lead to 

downsizing other regional facilities. The JPA is pleased to support Padre Dam Municipal Water District's 

Advanced Water Purification Demonstration Project. 

Respectfully, 

Chair, Metro Wastewater JPA 

The Joint Powers Authority Proactively Addressing Regional Wastewater Issues 

Chula Vista • Coronado • Del Mar • El Cajon • Imperial Beach • La Mesa • Lemon Grove Sanitation District 

National City• Olay Water District • Poway • Padre Dam Municipal Water District 

County of San Diego, representing East Olay, Lakeside/Alpine, Spring Valley & Winter Gardens Sanitation Districts 
Cody J. Martinez 

Chairman 

Joshua Muse 

Vice Chairman 

Pilar T.A. Pettiford 

Secretory 

LaShunna Davidson 

Treasurer 

Shu Brown 

Council Member 

Alanna Sandoval 

Councilwoman 

Brianna Sandoval 

Councilwoman 

January 15, 2019 

Allen Carlisle 

CEO/General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle, 

On behalf of the Sycuan Band of the Kumeyaay Nation, I want to thank you for your 

dedi(;ated leadership and express our support ofthe East County Advanced Water 

Purification Program. 

This important regional program demonstrates the value of collaboration and extensive 

planning demonstrated by the East County A WP partners led by Padre Dam Municipal 

Water District, the County of San Diego, City ofEl Cajon, Helix Water District and 

embraced by so many regional community leaders. 

As we have said in the past, the Sycuan Band ofthe Kumeyaay Nation measure 

ourselves by our impact on the community. Likewise, we measure the East County 

AWP by its immeasurable impact on the community- delivering a reliable, clean and 

sustainable source ofwater, our greatest natural resource. 

The Sycuan Band ofthe Kumeyaay Nation is pleased to extend its full support for the 

East County A WP. We appreciate that this program will create a new source of water 

that can be available to our tribal community. 

We value the independence that this important project affords to East County 

communities, and we support the program partner efforts to create a local, droughtproof water supply that is also environmentally friendly. This commitment to long-term 

sustainability is crucial as we plan for the continued success and growth of all 

communities in East County San Diego, including Sycuan. 

2 K w aa yp aay Cou r t • E l Cajo n , C A 920 1 9 • 61 9 . 4 45 .2613 • F ax 6 19. 44 5. 1927 • s y c u antr i be . c o m 
----

The grant funding that has been secured is impressive and the collaborative and 

transparent approach of each program partner is appreciated and will serve our 

communities well in a safe, prosperous and sustainable future. 

Respectfully, 

Cody J. Martinez 

Chairman 
~ SAN DIEGO 

Integrated Regional Water Management 

September 14, 2016 

Allen Carlisle 

CEO/General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle: 

The San Diego Integrated Regional Water Management (IRWM) Program strongly supports the 

East County Advanced Water Purification (AWP) Program and its goal to offer significant 

benefits to the San Diego Region by producing a local, reliable, drought-proof water supply that 

reduces reliance on imported water. 

We further support the East County AWP Program's aim to increase the production and use of 

recycled water, both potable and non-potable, in East San Diego County. Residents, businesses 

and all community members will benefit from the Program, which is designed to help reduce 

regional capital investment in the City of San Diego’s Metropolitan Wastewater System and 

Point Loma Wastewater Treatment Plan by offloading flows to the Metro System. 

The benefits expected from the East County AWP Program strongly support the regional goal of 

expanding and diversifying the overall water supply portfolio. 

The San Diego IRWM Program applauds Padre Dam Municipal Water District’s diligent efforts 

to obtain grant funding to help ensure the success of this important water resource program for 

East County. The IRWM Program has supported development of the AWP Program with two 

grants, one for $3 million in 2008 and one for $6 million in 2015. In addition to this funding, 

Padre Dam recently secured an additional $4.5 million in federal funds and continues to seek 

additional program grants. 

86 
The District’s work to diversify water supplies and increase the region’s independence and 

control of its own local water sources is admirable and should be fully realized via the successful 

construction and implementation of the East County AWP Program. 

Sincerely, 

Mark Stadler 

San Diego IRWM Program Manager 

Principal Water Resources Specialist 

San Diego County Water Authority 

Page 2 of 2

87 

 	













 	


 


 





 





	 


	

	

	 


	

	 

	

	

	

	 



	

	








 


 

  


 




 

 

 




 




 

 

 

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Water Reliability Coalition Co-Chair Water Reliability Coalition Co-Chair 

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94 
MEMBER VICE C HAIR OF THE FOLLOWING OF THE FOLLOWING COMMITTEE COMMITTEES 

PUBLIC SAFETY ~.enat.e BUDGET & FISCAL REVIEW

JUDICIARY 

ELECTIONS & CONSTITUTIONAL 

AMENDMENTS <rralifornia 'lfie£islature M EMBER 

OF T H E FOLLOWING 

SUBCOMMITTEE 

JOEL ANDERSON BU DGET & FISCAL REVIEW 

SUBCOMMITTEE #!5 ON 

SENATOR CORRECTIONS. PUBLIC SAFETY 

& THE JUDICIARY 

THIRTY-SIXTH SENATE D ISTRICT 

Allen Carlisle 

CEO / General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle, 

Congratulations on the groundbreaking of Padre Dam Municipal Water Dist:11ct's Advanced Water 

Purification Demonstration Project. This project offers San Diego East County communities the 

opportunity to learn about advanced water purification processes and how the project can 

potentially augment their water supply without any impact to their water rates. 

It is important to explore ways to reduce our reliance on imported water, and Padre Dam is to be 

commended for working to diversify water supplies and increase independence and control of over 

local water sources. 

I want to wish you continued success with the AWP Demonstration Project, and please let me know 

if there is ever any thing I can do to be of assistance. 

Sincerely, /; Lr~/~ 

J IAnderson 

Senator, District 36 

STATE CAFIITOL EL C"-JON DISTRICT OFFICE T EMEC ULA DISTR ICT O FFICE 

SACRAM ENT O CA 95814 500 FESLER STREET #201 27555 YNEZ ROAD !1204 

TEL 19161 651 4 036 EL CAJON CA 92020 TEMECULA CA 92591 

FAX1916165 1 4 936 TEL 16191 596·3136 TEL 195 1 I 6761020 

FAX 16 191596 3 140 FAX t951 J 6 76· 1030 SENATOR ANDE.F?SON@"SEN .CA GOV 
STATE CAPITOL COMMITTEES

PO BOX 942849 ~ssemhllJ VICE CHAIR BUSINESS, PROFESSIONS 

SACRAMENTO, CA 94249-0071 ANO CONSUMER PROTECTION

(916) 319-2071 GOVERNMENTAL ORGANIZATION 

FAX (916) 319-2171 ~lifnrnht ~egislafure UTILITIES AND COMMERCE

ASSEMBLY LEGISLATIVE ETHICS 

DISTRICT OFFICE 

10152 MISSION GORGE ROAD 

SANTEE. CA 92071-3812 

www.asm.ca.gov/jones 

FAX 

(619) 

(619) 

441-2322 

441-2327 

BRIAN 

u

W. JONES 

Assemblymember Jones@assembly.ca.gov ASSEMBLYMAN, SEVENTY-FIRST DISTRICT 

October 6, 2014 

Mr. Allen Ca rlisle 

CEO/General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle, 

As the elected representative of California's 71st Assembly District, I fully support Padre Dam Municipal 

Water District's Advanced Water Purification Demonstration Project. This project would offer many of 

the East County communities that I represent a water purification process that is safe, cost-effective, 

locally controlled. This would also be an environmentally responsible water source option that would be 

tested daily to ensure it meets the public health objectives for the California Public Health Department. 

This project shows the foresight of Padre Dam by diversifying our water supplies and creating an 

independence and control over our own local water source, thereby reducing our current state of 

complete dependence on imported water. There are also economic benefits of having a reliable source 

of water, as this project would create a drought-resistant water supply for the East County, while not 

impacting the water rates of the residents. 

Water supply is an issue that is crucial not only in my district but throughout the state of California and I 

commend Padre Dam for their foresight and commitment to working with all stakeholders, such as Helix 

Water District, t he City of El Cajon and the County of San Diego to better serve the 100,000 plus 

residents in East County. 

Sincerely, 

g J 

Assemblyman, 71st District 

Pnntedon Recycled Paper 
STATE CAPITOL, ROOM 4009 COMMITTEES 

PO. BOX 942849 ~ss:emhl11 VICE CHAIR : AGING AND LONGSACRAMENTO, CA 94249-0071 TERM CARE 

(916) 319-2071 VICE CHAIR: PUBLIC EMPLOYMENT 

FAX (916) 319-2171 Qlalifnrnizt ~:egislafur:e AND RETIREMENT 

VICE CHAIR: VETERANS AFFAIRS DISTRICT OFFICE 

INSURANCE 8760 CUYAMACA STREET, SUITE 201 l,~~·- LOCAL GOVERNMENT SANTEE, CA 92071 i~\ ',~. (619) 258-7737 '\f ~l 

~ JOINT LEGISLATIVE AUDIT FAX (619) 258-7739 

E-MAIL RANDY VOEPEL 

Assemblymember.Voepel@assembly.ca.gov ASSEMBLYMEMBER, SEVENTY-FIRST DISTRICT 

RECEIVED 

February 4, 2019 

FEB l 3 2019 

PADRE DAM MWD Allen Carlisle ADMINISTRATION CEO/General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle and Padre Dam Board of Directors: 

I am writing, as the proud elected representative of California's 71 st Assembly District, to express my strong 

support for the East County Advanced Water Purification Program (Program), led by Padre Dam Municipal 

Water District with its program partners the County of San Diego, City of El Cajon and Helix Water District. I 

fully support the East County Advanced Water Purification Program's continued efforts to make this Program 

one of the first approved Surface Water Augmentation projects in California. This programs serves as an 

innovative example to others in California to achieve State recycled water goals. 

This Program is a great example of innovation and collaboration by demonstrating how multiple agencies can 

work together to provide the best services for our communities and ensures future water supply reliability. I 

understand the Program has received State Revolving Fund money. I strongly support any additional State 

funding to further make this East San Diego County Program affordable for our ratepayers. 

My comn1itment to the success of this important water resomces infrastructure proj ect continues from my role 

as Mayor of the City of Santee. As a representative of the Santee community, where the new treatment plant 

would reside, I wrote to you in 2014 as Mayor to express that "the economic benefits of having a reliable source 

of water are vital to the conummities in this region. " 

This Program 's efforts to reduce our region 's reliance on imported water from hundreds of miles away, and to 

produce up to 30% of East County's current drinking water demands, are helping to secure our financial 

independence and modernize our local water resource systems. 

Thank you for your collaborative leadership in working with key stakeholders and program partners, to secure 

extensive grants and favorable fund~ as well as maintaining transparency and community involvement. 

Please do not esitate to reach a ~ r any assistance that I can continue to provide. 

t 

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RECEIVED 

FEB O 5 2018 

DIANNE JACOB PADRE DAM MWD 

SAN DIEGO 

CHAIRWO'JAN COUNTY B•'.JARO <;f c~o OF 01 

SUP TRf VISORS 

l ADMINISTRATION

January 30, 2018 

Allen Carlisle 

CEO I General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, Cl\ ~20 71 

DearM~ 

On behalf ofthe County ofSan Diego, it is my pleasure to commend the Padre 

Dam Municipal Water District's leadership fot the advancement ofthe East 

County Advanced Water Purification Progran). I endorse this effort, ,vhich is 

creating a local, sustainable and drought-proof water supply. 

At present, plans for this state-of-the-art technology are on track to meet up to 

30% of East County's current drinking water ¢1emands by 2025, and to assist 

with rising v,rastewater treatment costs. lndep1ndently producing drinking 

water is an opportunity for local control of a valuable resource. 

I commend Padre Dam for its prioritization o ft environmental responsibility and 

for securing approximately $29 million in grJ,1 funding for the project. Plans 

are accelerating quickly with a collaborative partnership between the County, 

Padre Dam, the City ofEl Cajon and Helix Wa ter District. 

The County is proud to contribute financial ror ources and staff ~xpertise, in 

addition to further solidifying its partnership ~greemeni for this program. 

DJ:td 

1600 PACIFIC H1GHWAY, ROOM 335 • SAN O1EG0, ~ALIFORNIA 92101-2470 

(619) 531-5522 • FAX (619) 696-7253 • TO, FREE 800-852-7322 

250 E MAIN STRH, , Su,rE 169 • EL CAJON, LIFORNIA 92020-3941 

www.d,anneJacob.com • EMAIL d1anne.1aco @sdcounty.ca.gov 
SENATOR 

BRIAN W. JONES RECEIVED 

THIRTY-EIGHTH SENATE D ISTRICT 

FEB 8 2019 

February 5, 2019 

PADRE DAM MWD 

Allen Carlisle ADMINISTRATION 

CEO/General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle and Padre Dam Board of Directors: 

As the elected representative for California's 38th Senate District, it is my pleasure to reiterate 

my strong support and commitment to the East County Advanced Water Purification Program 

(Program). I fully support Pad re Dam Municipal Water District and the East County Advanced 

Water Purification Program's continued efforts to make this Program one of the first approved 

Surface Water Augmentation projects in California. This programs serves as an innovative 

example to others in California to achieve State recycled water goals. 

________.,__y-ate i:...su.p pbp.el ia biJity_is__an_issue.lb.atJs_cl'..lJ.ciaJ n.ot _o n I¥-i n-m¥-d istr:icL b uUhmugbouUhe-stateo-------~ 

of California. This Program is a great example of innovation and collaboration by demonstrating 

how multiple agencies can work together to provide the best services for our communities and 

ensures future water supply reliability. I understand the Program has received State Revolving 

Fund money. I strongly support any additional State funding to further make this East San Diego 

County Program affordable for our ratepayers. 

I commended you and Padre Dam for your "foresight and commitment to working with all 

stakeholders" and I am proud to highlight that your leadership and progress has only increased 

over the years to navigate a complex program alongside your East County AWP partners: the 

County of San Diego, City of El Cajon and Helix Water District. 

Water supply cha!!enges have increased ir. severity as our region has expe~ienced increased 

periods of drought and projected increases in the cost of importing water. The East County AWP 

goal of delivering a reliable, clean, drought-resistant and sustainable source of water will protect 

the health, independence and economic prosperity of our east county communities. The grants 

and low interest loan that you have secured for this important program are impressive, as is the 

collaborative and transparent approach that all program partners have sustained, while 

engaging thousands of community members who have toured the Visitor's Center and 

Demonstration Facility. 

Thank you again for your leadership and know that I am here to assist in the completion and 

successful operation ofthis important infrastructure asset for our region . 

Sincerely, 

-

kBrian W. Jones 

Senator, Distr. ·ct 38 
P.O Box 908 

Alpine, CA 91903 

#1 Viejas Grade Road 

TRIBAL GOVERNMENT Alpine, CA 91901 

EAS 

John A. Christman, Chairman RECEIVED Phone: 61~4453810 

Victor E.Woods, Vice-Chairman Fax: 619.4455337 

Rene Curo, 1i-ibal Secretary 

Samuel Q Brown, 1i-ibal 1i-easurer JAN 28 2019 v1eJas.com . 

Adrian M. Brown, Councilmai-i 

Gabriel 'I TeSam, Jr., Councilman 

Kevin M. Carriwsa, Councilman 

PADRE DAM MWD 

ADMINISTRATION 

January 23, 2019 

Allen Carlisle 

· CEO/General Manager 

Padre Dam Municipal Water District 

9300 Fanita Parkway 

Santee, CA 92071 

Dear Mr. Carlisle 

This letter demonstrates the Viejas Band of Kumeyaay Indians' support of the East County Advanced Water Purification 

Program led by Padre Dam Municipal Water District, the County of San Diego, City of El Cajon, Helix vyater District and · 

embraced by so many regional community leaders. 

As the original native inhabitants of San Diego County, the Viejas Band has always understood the value of one of the 

tnost precious. resources on this planet - water. 

Water has always been the source of life, particularly in this arid land that our people have walked on for over 10,000 

years. Our legacy of environmental stewardship and tradition of respect for natural resources is reflected in this water 

purification program that applies modern technology to mimic nature's timeless process for cleaning and recycling 

wastewater. 

On behalf of the Viejas Tribal Council, I am pleased to offer our full support of your efforts to protect and enhance our 

local water supplies. We appreciate that this program will create a new source of water that can be available to our 

tribal community in the future. 

We also commend your diligent planning, preparation and implementation of this significant program th?t responsibly 

addresses the effects of this historic drought. By reducing the current 100% reliance on imported wate r-, we can all plan 

with more certainty for the future. We also protect future,generations by assuring that each step of this program is 

~nvironmentally responsible and applies proven and tested treatment methods that protect public health. 

As your neighbor in the San Diego East County, we welcome the enhancement of water supply resources that will 

sustain and protect the people that cherish this land for their homes, bu~inesses andTecreation. By diversifying our local 

water supplies in ways that respect the environment, we all benefit and will be prepared for the future. 

Sincerely, 

John 

~~ 

A. Christman, Chairman 
                 

         

     

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Appendix B – Authorizing Resolution

95
                 

         

   

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Page intentionally left blank

9͚ 
RESOLUTION 2020-05 

RESOLUTION OF THE BOARD OF DIRECTORS OF 

PADRE DAM MUNICIPAL WATER DISTRICT 

AUTHORIZING APPLICATION FOR WATERSMART TITLE XVI 

WATER RECLAMATION AND REUSE PROJECTS GRANT 

WHEREAS, Padre Dam Municipal Water District {Padre Dam) submitted and was awarded 

funding for the Padre Dam Water Recycling Facilities - Phase I Expansion Grant Application in 

Fiscal Year 2016, Fiscal Year 2017, Fiscal Year 2018, and Fiscal Year 2019 under the WaterSMART: 

Title XVI Water Reclamation and Reuse Program; and 

WHEREAS, the United States Bureau of Reclamation {Reclamation) is soliciting 

applications for authorized projects for WaterSMART: Title XVI Congressionally Authorized Water 

Reclamation and Reuse Projects per Funding Opportunity Announcement No. BOR-DO-20-F008; 

and 

WHEREAS, Padre Dam is preparing a grant application under this Program for the Project 

with an application due date of February 19, 2020; and 

WHEREAS, Reclamation has directed applicants to include in its application an official 

resolution adopted by the applicant's board of directors or governing body verifying 1) the 

identity of the official with legal authority to enter into an agreement, 2) the board of directors, 

governing body, or appropriate official who has reviewed and supports the application 

submitted, 3) the capability of the applicant to provide the amount of funding and/or in-kind 

contributions specified in the funding plan, and 4) that the applicant will work with Reclamation 

to meet established deadlines for entering into a grant or cooperative agreement. 

NOW, THERFORE, BE IT RESOLVED by the Board of Directors of the Padre Dam Municipal 

Water District as follows: 

1. Padre Dam is authorized to submit application to Reclamation to obtain a Title XVI 

Water Reclamation and Reuse Program Funding per Funding opportunity 

Announcement No. BOR-DO-20-F008; and 

2. Padre Dam has legal authority to enter into an agreement with Reclamation to 

receive a grant; and 

3. The Board of Directors has reviewed and supports the application that will be 

submitted; and 

4. Padre Dam is able to provide the minimum 75 percent funding match specified in the 

funding plan for the application; and 

5. Padre Dam's General Manager, or his designee, is hereby authorized and directed to 

prepare the necessary data, conduct investigations, file such application, and execute a 

grant agreement with Reclamation in association with this application process. Padre 

Dam will work with Reclamation to meet established deadlines required for entering 

into a cooperative agreement to obtain the aforementioned grant funding. 
Resolution 2020-05 

Page 2 of 2 

PASSED AND ADOPTED at a regular meeting of the Board of Directo rs of Padre Dam Municipal 

Water District help on February 5, 2020, by the following vote : 

AYES : Caires, Peasley, Pommering, Scalzitti and Wilson 

NOES: None 

ABSENT: None 

ABSTAIN : None 

C20 {1)L An '6ard President A-. ~- ~ ~ cretary 
                 

         

         

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Appendix C – Letters of Commitment

99
                 

         

     

Padre Dam Water Recycling Facilities – Phase I Expansion

Title XVI Grant Application 2020

Page intentionally left blank.

100
STATE OF CALIFORNIA-CALIFORNIA NATURAL RESOURCES AGENCY 

DEPARTMENT OF WATER RESOURCES 

1416 NINTH STREET, P.O. BOX 942836 

SACRAMENTO, CA 94236-0001 

(916) 653-5791 

January 13, 2016 

Mr. Mark Stadler 

IRWM Program Manger 

San Diego County Water Authority 

4677 Overland Avenue 

San Diego, California 92123 

EDMUND G. BROWN JR., Governor 

Commitment Letter - 2015 Proposition 84 Integrated Regional Water Management 

(IRWM) Implementation Grant Award 

~ & 

Dear Mr. Stadler: 

We are pleased to inform you that the proposal, San Diego 2015 IRWM Implementation 

Grant Proposal, filed by San Diego County Water Authority has been awarded funding 

by the Department of Water Resources (DWR). This letter serves as DWR's conditional 

commitment of $31,131,415 in Proposition 84 grant funding for the proposal. This 

award is conditioned upon the execution of a Grant Agreement between DWR and your 

agency. A copy of the Grant Agreement template is available at the following website: 

http://www.water.ca.gov/irwm/grants/resources contracttemp.cfm 

The conditions that must be met before DWR will enter into a Grant Agreement with 

your agency and additional requirements that must be addressed to maintain eligibility 

and receive grant funds are listed in Attachment 1. Your timely attention to these 

requirements is very critical to execute the Grant Agreement. Failure to meet these 

conditions and requirements, in a timely manner, may result in DWR revoking the grant 

award. 

Please return the requested information within the time periods listed in Attachment 1, 

to Melissa Sparks at: 

Department of Water Resources 

Post Office Box 942836 

Sacramento, California 94236-0001 

If you have any questions, please contact Melissa Sparks at (916) 651-9221 or 

Melissa.Sparks@water.ca.gov. 



Tracie L. Bil~ tJ /,~ief 

Financial Assistance Branch 

Division of Integrated Regional Water Management 

Attachment 
Attachment 1 

Grant Agreement Execution Conditions and Additional Requirements 

The following execution conditions must be met before DWR will execute the Grant Agreement. 

The Additional requirements must be met on an ongoing basis by the Grantee to maintain grant 

funding eligibility and must be met prior to disbursement of grant funds. 

Execution Conditions: 

► Within 14 calendar days of the date of this letter, submit a letter or send an e-mail confirming 

your agency as the Grantee to accept the grant award in the amount of $31, 131,415. 

► Within 60 calendar days of the date of this letter: 

• Submit documentation to demonstrate that each of the Project Proponent(s) has 

available sources of sufficient funds to complete the grant-funded project(s). 

Specifically, fill out and submit the "Financial Statement Summary Form" available at the 

following link: 

http://www.water.ca.gov/irwm/qrants/resources forms/FinancialStatementSummaryFor 

m.xlsx along with copies of the most recent three years of audited financial statements 

(preferably electronic) including the following items: 

o Balance sheets, statements of sources of income and uses of funds, a summary 

description of existing debts including bonds, and the most recent annual 

budget. Submit separate details for the water enterprise fund, if applicable to an 

agency or organization. 

o A list of all cash reserves, restricted and unrestricted, and any planned uses of 

those reserves. 

o Any loans required for project funding and a description of the repayment 

method of any such loans. 

• Submit the list of projects and any changes to the work plan, budget, or schedule since 

the grant application was submitted. Any proposed changes should be submitted as 

track changes to the original document (work plan, budget, or schedule), and an 

explanation of the changes provided. Changes will only be considered acceptable by 

DWR if the project maintains or increases the level of quality and benefits as compared 

to the original application, unless the grant award amount is less than what was 

requested in the grant application. Grantee must maintain the projects and benefits for 

the disadvantaged communities at a level that is at least proportional to the grant 

award percentage of total grant request. 

• Grantee must complete an Environmental Information Form for each individual project 

and submit to DWR. Electronic fillable form is available at the following link: 

http://www.water.ca.gov/irwm/grants/resourceslinks/lRWM CEQA Elf .pdf 

Additional Requirement to Maintain Eligibility for Grant Reimbursements: 

Grantee must meet, as applicable, the following ongoing requirement(s) to remain eligible to 

receive State funds: 

► Grantee must demonstrate compliance with all applicable requirements of the California 

Environmental Quality Act (CEQA) and, if applicable, the National Environmental Policy Act 

(NEPA). DWR is the responsible agency in complying with CEQA for each individual project 

included in the grant agreement. Grantee must submit documents that satisfy the CEQA 

and NEPA process as well as any mitigation agreements, and environmental permits. 

Reimbursement of grant expenses related to construction projects is subject to the DWR's 

decision to concur or not concur with the Grantee's final CEQA document. 

► All local project sponsors that are Urban Water Suppliers must: 

108
• Maintain compliance with water metering requirements (CWC §525 et seq.). 

• Meet the Urban Water Management Planning (UWMP) Act requirements (CWC § 1061 0 -

10656) and requirements ewe § 10608.16 -10608.44. 

• Maintain compliance with the UWMP Act and Sustainable Water Use and Demand 

Reduction, Part 2.55 of Division 6 ( CWC§ 10608 et. Seq.) 

► All local project sponsors that are Agricultural Water Suppliers must: 

• Maintain compliance with water conservation requirements outlined in Part 2.55 

(commencing with§ 10608) of Division 6 of the ewe. ► Projects with potential groundwater impacts must demonstrate compliance with the 

groundwater compliance options set forth on pages 14 and 15 of the IRWM Program 

Guidelines, dated May 2015. 

► Grantee or local project sponsors that have been designated as monitoring entities under 

the California Statewide Groundwater Elevation Monitoring (CASGEM) Program must 

maintain reporting compliance, as required by CWC§ 10920 and the CASGEM Program. 

► Surface water diverters receiving grant funding must comply with surface water diversion 

reporting requirements outlined in Part 5.1 (commencing with §5100) of Division 2 of the 

CWC. If a surface water diverter is not current with its surface water diversion reporting, then 

explain why the reports are not current and provide an estimated submittal date. DWR may 

withhold execution of the grant agreement or disbursing grant funds until reporting is current. 

109
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117
2/13/2020 Reclamation awards $16.98 million to five projects for water recycling and reuse in California, Hawaii and Texas 

Padre Dam Municipal Water District, San Diego Area Water Reclamation Program, 

$778,002.75 

The Padre Dam Municipal Water District, which provides water, wastewater, recycled water and 

recreation services to 100,000 residents in the San Diego suburbs of Santee, El Cajon, 

Lakeside Flinn Springs, Harbison Canyon, Blossom Valley, Alpine, Dehesa and Crest-is 

implementing the Phase I Water Recycling Project. It includes the expansion of the Ray Stoyer 

Reclamation Facility, construction of a new advanced water purification facility, potable reuse 

conveyance pipelines, a product water pump station, and a biosolids digestion facility to offset 

energy demands of the project. It will create 3,900 acre-feet, or 127 million gallons, per year of 

potable water by capturing wastewater flows that would otherwise be discharged to the ocean. 

City of San Diego, San Diego Area Water Reclamation Program, $10,361,379 

The San Diego Area Water Reclamation Program, part of the Pure Water Program, is a phased, 

multi-year program. By 2035 the program will make 93,000 acre-feet, or 30 billion gallons, of 

water available per year. This constitutes about 30% of the City of San Diego's water supply. 

This project will provide the city with a new reliable source of potable water and will reduce the 

amount of wastewater that is released into the ocean. The funding will be used to complete the 

final design of the project. 

Rancho California Water District, Rancho California Water District Project, $1,727,960 

The Rancho California Water District, which provides water and wastewater services near 

Temecula/Rancho, California, will implement components of its Demineralization and NonPotable Conversion Program. The funding will be used for the design, materials, and 

construction activities to convert 54 irrigation sites to accept non-potable recycled water. The 

funding will also support activities before construction of a small-scale recycled groundwater 

recharge facility. It is expected to save 18,400 acre-feet, or nearly 6 billion gallons, of water per 

year. 

County of Hawaii, Hawaii Reclamation Projects, $614,468.68 

The County of Hawaii will conduct planning activities to evaluate upgrading the Kealakehe 

Wastewater Treatment Plan to implement water recycling for landscape and recreation 

applications. It will involve the necessary improvements to the existing secondary treatment 

process so that the wastewater treatment plant can produce water suitable for reuse per state 

guidelines. The project is expected to result in recycled water deliveries of 2,016 acre-feet, or 

6.5 million gallons, per year. 

El Paso Water Utilities Public Service Board, El Paso Water Reclamation and Reuse 

Project, $3,500,000 

The El Paso Water Utilities Public Service Board, located in El Paso Texas, will construct an 

advanced water purification facility to treat wastewater for potable reuse. The treated water will 

https://www.usbr.gov/newsroom/newsrelease/detail.cfm?Record1D=67463 3/4 

FY 2019 Authorized Title XVI Project Funding 
2/13/2020 Reclamation awards $16.98 million to five projects for water recycling and reuse in California, Hawaii and Texas 

be conveyed directly to the city's distribution system, making this facility the first large-scale, 

direct-to-distribution potable reuse project in the United States. The funding announced today 

will be used for a pilot facility and to complete preliminary, detailed and final design phases for 

the full-scale project. Once finished, the project will produce 13,000 acre-feet, or 4.2 billion 

gallons, per year. 

To learn more about the Title XVI Water Reclamation and Reuse Program or view more detailed 

information about the projects selected, please visit www.usbr.gov/watersmart/title/. 

Through WaterSMART, Reclamation works cooperatively with states, tribes, and local entities as 

they plan and implement actions to increase water supply reliability through investments to 

modernize existing infrastructure and attention to local water conflicts. Visit 

www.usbr.gov/watersmart to learn more. 

### 

Reclamation is the largest wholesale water supplier in the United States, and the nation's second largest producer of 

hydroelectric power. Its facilities also provide substantial flood control, recreation, and fish and wildlife benefits. Visit our 

website at https://www.usbr.gov and follow us on Twitter @USBR. 

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