ICR Number XXXX.XX Plant ID: Insert Plant ID

OMB Control Number: XXXX-XXXX Plant Name: Insert Plant Name

Expiration Date: mm/dd/yyyy

Section Title Tab Name

Part D Instructions Part D Instructions

Part D Section 1

Part D Section 2

Wastewater Treatment Diagram Part D Section 3.1

Wastewater Treatment Wastewater Flows Part D Section 3.2

Part D Section 4.1

Closed Pond/Impoundment Unit Information Part D Section 4.2

Wastewater Treatment Unit Information - System Level Part D Section 5.1

Wastewater Treatment System Chemical Addition Part D Section 5.2

Part D Section 6.1

Part D Section 6.2

Part D Comments Part D Comments

Steam Electric Questionnaire Code Tables Code Tables

Pond/Impoundment System and Wastewater 

 Treatment System Equipment

Plant Pond/Impoundment Systems and Wastewater

 Treatment Systems

Pond/Impoundment System and Wastewater 

 Treatment System Identification

Steam Electric Questionnaire 

Second FRN Version Draft

PART D - POND/IMPOUNDMENT SYSTEMS AND OTHER WASTEWATER TREATMENT 

OPERATIONS

Table of Contents

Active/Inactive/Open and Planned 

 Pond/Impoundment Unit Information

Pond/Impoundment System and Wastewater 

 Treatment System Costs

Version: February 22, 2010
Steam Electric Questionnaire Part D. Instructions

Plant ID: Insert Plant ID

Plant Name: Insert Plant Name

PART D. POND/IMPOUNDMENT SYSTEMS AND OTHER WASTEWATER 

TREATMENT OPERATIONS

INSTRUCTIONS

Part D requests information about all ponds/impoundments used (or planned to be used 

or under construction/installation by December 31, 2020) for the storage, treatment, 

and/or disposal of process wastewater, residues, or by-products (or sludges or water 

streams containing the residues or by-products) from the combustion of coal, petroleum 

coke, or oil, including but not limited to fly ash, bottom ash, boiler slag, or flue gas 

emission control residues. Additionally, Part D requests information about wastewater 

treatment systems, other than pond/impoundment systems, for the treatment of 

wastewaters from ash handling or FGD operations that are located at the plant or are 

planned to be located at the plant. Complete Part D if you operate one or more systems, 

or if you are currently constructing/installing, or planning to construct/install one or more 

systems by December 31, 2020.

Refer to the following definitions throughout Part D.

A "pond/impoundment" is defined as a natural topographic depression, man-made

excavation, or diked area formed from earthen materials or man-made materials or a 

combination of them, which is designed to hold an accumulation of liquid process 

wastes or process wastes containing free liquids, and which is not an injection well. 

A “pond/impoundment system ” is defined as a system consisting of one or more 

ponds/impoundments.

A “wastewater treatment system ” is defined as a combination of one or more 

“wastewater treatment units”, other than ponds/impoundments, designed to achieve 

wastewater treatment.

A “wastewater treatment unit ” is defined as a unit operation used to remove pollutants 

from process wastewater. Wastewater treatment units include, but are not limited to: 

ponds/impoundments, chemical precipitation, pH adjustment, clarification, biological 

reactor, thickeners, filters, and constructed wetlands.

NOTE: If a pond/impoundment unit (as defined in Section 4.1) is part of a broader 

“wastewater treatment system” containing non-pond units (e.g., a 

pond/impoundment unit in a biological wastewater treatment system), it is not 

considered part of a pond/impoundment system.

Version: February 22, 2010
Steam Electric Questionnaire Part D. Instructions

Please provide all free response answers in the highlighted yellow areas. Throughout 

Part D, you may need to make copies of certain sections/questions. Instructions are 

provided throughout Part D regarding making copies. Note that pond/impoundment 

system (and unit) and wastewater treatment system ID's must be populated on the 

copied tab or section, located in the upper right corner under "Plant ID" and "Plant 

Name", in order to correlate the requested information with the pond/impoundment or 

wastewater treatment system.

Use the Part D Comments tab to do the following: provide additional information as 

requested in certain questions within Part D; indicate atypical data (e.g., if 2009 

information is not representative of normal operations); and note methods used to make 

best engineering estimates in the event that exact data are not available.

Throughout Part D, information is requested for pond/impoundment and wastewater 

treatment units and systems that are under construction/installation, or planned to be 

under construction/installation by December 31, 2020. Provide design information, or 

best engineering estimates as necessary, for these planned systems/units. Additionally, 

indicate “NA” if the information requested is not applicable for planned systems/units 

(e.g., a question that requests flow rate data for year 2009).

As you are completing the electronic form, note the following: When you enter your plant 

name and plant ID on the Part D Table of Contents tab, all name and ID fields 

throughout Part D will automatically populate. Refer to the overall questionnaire 

instructions, the glossary, and the acronym list for assistance with completing Part D. 

Version: February 22, 2010
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and O

Pla

Part: D

Section Title:

CBI? D1-1.CBI? D1-2.

 Part D. Skip to the next Questionnaire Part. Otherwise, continue to Part D 1. Plant Pond/Impoundment Systems and Wastewater Treatment SystemsDo you operate OR plan to operate (or begin construction/installation of) by December 31, 2020 any other than pond/impoundment systems, for the treatment of process wastewaters from ash handling  If you answered "No" to both Questions D1-1 and D1-2, do NOT complete 

Have you used, do you use, OR do you plan to use (or begin construction/installation of) by Decemb

ponds/impoundments for the storage, treatment, and/or disposal of process wastewater , residues , 

water streams containing the residues or by-products) from the combustion of coal, petroleum cokefly ash , bottom ash , boiler slag, or flue gas emission control residues? Note: This includes systems located on non-adjoining property that are under the operational contro

Note: This includes ponds/impoundments located on non-adjoining property that are under the oper

Yes

YesNo

Yes

YesNo

D-1 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems an

Part: D

Section Title:

 Instructions:

CBI? D2-1.

 (Continue) 

CBI? D2-2. CBI? D2-3. 

 (Provide a copy of the summary/report) (Continue)Provide a description of the pilot- or full-scale study. Note the types of treatment technologies studied, analytes 

effluents from the wastewater treatment system, and the analytical methods used. (Skip to Question D2-4)2. Pond/Impoundment System and Wastewater Treatment System IdentificationComplete Section 2 (Questions D2-1 through D2-7) for pond/impoundment systems and/or wastewater treatmeand/or plans to operate (or begin construction/installation of) by December 31, 2020, including those located on 

treatment of process wastewaters from ash handling or FGD operations. Please provide all free response answ

Has the plant been involved with any ash or FGD wastewater treatment studies (pilot- or full-scale), including stsystems, since 2000?Are any of these studies ongoing? Was a summary and/or report describing/documenting the pilot- or full-scale study prepared (including internal 

Yes

YesYes

YesYesNoYesNoNo

D-2 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems an

CBI? D2-4.CBI? D2-5.

 (Continue)

CBI? D2-6.

 (Continue)List these pond/impoundment systems in Table D-1. For each pond/impoundment system, EPA assigned a num

Table D-1, which will be used throughout the remainder of the survey. In the "Plant Designation" column, providpond/impoundment system. In the "Individual Ponds/Impoundments Included in the Pond System" column, iden

from Table A-4 that are included in the pond system.Do you operate OR plan to operate (or begin construction/installation of) by December 31, 2020 any pond/impo

located on non-adjoining property, for the treatment of process wastewaters from ash handling or FGD operatioDo you operate OR plan to operate (or begin construction/installation of) by December 31, 2020 any systems, iadjoining property, for the treatment of process wastewaters from ash handling or FGD operations? (Skip to Section 4.1) (Skip to Question D2-7)List any ash or FGD wastewater treatment technologies that have been studied by the plant that are not covere(e.g., those that have been studied in in bench-scale studies).NOTE: Do NOT include a pond/impoundment unit in Table D-1 if the pond/impoundment unit is or is plawastewater treatment system containing non-pond wastewater treatment units (e.g., pond/impoundmetreatment system).

Yes

YesNo

Yes

YesNo

Yes

D-3 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems an

Pond/ Impoundment 

System ID Plant Designation

POND-1POND-2POND-3POND-4POND-5POND-6POND-7POND-8POND-9POND-10

Table D-1. Plant Pond/Impoundment Systems

Active/Inactive/Open Pond/Impoundment Systems

Individual Pond/Impoundments (Identified 

Pond/Impoundment S

SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD SPD - 1 SPD - 3 SPD - 5

SPD - 6

SPD - 7SPD - 8

SPD 

SPD - 2 SPD - 4 SPD 

D-4 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems an

RET-POND-1RET-POND-2RET-POND-3RET-POND-4RET-POND-5POND-APOND-BPOND-C

CBI? D2-7.

 (Continue)Note that "Approximate Length of Piping from FGD Scrubber System" refers to the length of piping from the FGstorage tank (or FGD scrubber absorber if no FGD solids separation) to the beginning of the FGD wastewater Length of Piping to Subsequent Treatment or Discharge" refers to the length of piping from the end of the FGD 

either the beginning of the subsequent treatment system or the wastewater discharge point, as appropriate. 

Planned Pond/Impoundment Systems

Retired/Closed Pond/Impoundment Systems

Do you operate OR plan to operate (or begin construction/installation of) by December 31, 2020 any wastewatelocated on non-adjoining property, other than pond/impoundment systems for the treatment of process wastewa

operations?List these wastewater treatment systems in Table D-2. For each wastewater treatment system, EPA assigned a Table D-2, which will be used throughout the remainder of the survey. In the “Plant Designation” column, providwastewater treatment system. As an example, if a plant operates a chemical precipitation FGD wastewater tre

ash pond/impoundment system (as shown in EPA example diagrams EPA_D-1 and EPA_D-2 located at the bowastewater treatment system should be identified in Table D-2 (e.g., as WWT-1) and the ash pond/impoundmepreviously identified in Table D-1 (e.g., as POND-1).

 (Skip to Section 3.1)

Yes

YesNo

RET SPD - 1 RET SPD - 3RET SPD - 2 RET SPD - 4RET SPD - 1 RET SPD - 3RET SPD - 2 RET SPD - 4RET SPD - 1 RET SPD - 3RET SPD - 2 RET SPD - 4RET SPD - 1 RET SPD - 3RET SPD - 2 RET SPD - 4RET SPD - 1 RET SPD - 3RET SPD - 2 RET SPD - 4SPD - A SPD - C SPD - ESPD - B SPD - DSPD - A SPD - C SPD - ESPD - B SPD - DSPD - A SPD - C SPD - ESPD - B SPD - D

D-5 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems an

L

S

WWT-1WWT-2WWT-3WWT-4WWT-5WWT-6WWT-AWWT-BWWT-C

Wastewater 

Treatment System ID

Planned Wastewater Treatment Systems

Treatment System 

Footprint (ft2 Plant Designation )

Table D-2. Plant Wastewater Treatment Systems

Operating Wastewater Treatment Systems

Year Initially 

Brought On Line

D-6 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and 

Plant ID: 

Plant Name: 

Pond/Impoundment System ID or Wastewater Treatment System ID: 

Part: D

Section Title: 3.1. Wastewater Treatment Diagram

 Instructions:

CBI? D3-1.

Complete Section 3.1 (Question D3-1) for each pond/impoundment system or wastewater treatment and Table D-2, including planned systems, systems under construction/installation, or planned to be December 31, 2020. Enter the pond/impoundment system ID or wastewater treatment system ID in tprovided above (use the pond/impoundment system ID or wastewater treatment system ID assigned Make a copy of Section 3.1 for each pond/impoundment system or wastewater treatment system ideusing the "Copy Section 3.1" button below.Attach a block diagram that shows the pond/impoundment system or wastewater treatment system owastewaters that currently enter or are planned to enter the pond/impoundment system or wastewateultimate destinations of the pond/impoundment system or wastewater treatment system effluent(s). Sdiagram are provided in the checklist below. The diagram should have a similar level of detail as EPAand EPA_D-2.NOTE: You may use an existing diagram, such as a water balance diagram included in the plathe additional required information on the diagram by hand. Provide as many diagrams as necessary to convey the information requested in the checklist below. 

the upper right corner; the first block diagram should be numbered D-1, the second D-2, etc. Include 

pond/impoundment system ID or wastewater treatment system ID in the upper right hand corner of th

Diagram attached.

Copy Section 3.1

Yes

D-7 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and 

Mark the boxes below to verify that you have completed each checklist item...

Indicate where chemical addition occurs (i.e., into or between which wastewater treatment uni

wastewater treatment units, indicate and note on the diagram where within or near the pond/im

added (e.g., within the pond/impoundment near the process wastewater influent point, within t

effluent, in the effluent/discharge canal). The chemicals indicated should correspond to the chand Table D-9.

Block Diagram Checklist

Include the block diagram number, plant name, plant ID, and pond/impoundment system ID oon the diagram.Include each pond/impoundment or wastewater treatment unit operation. Show all influent and and label all influent and effluent streams from the pond/impoundment system or wastewater ttables on the "Code Tables" tab provided at the end of this workbook. Note that the "Code Tab

wastewater treatment units that are operated in series and/or in parallel (e.g., in EPA_D-1, ChTank 1-1 and Chemical Precipitation Reaction Tank 2-1 are in series). Effluent streams may in

sludges . If applicable, use EPA-assigned numbers from Part A or B (e.g., FGD-1) to label process oper

does not have an EPA-assigned number (e.g., boiler, air preheater), use the plant-designated When sources or destinations are not shown on the diagram (i.e., the stream is entering from diagram), describe the source or destination and add the block diagram number, when approp

location can be seen. Use codes from the code tables on the "Code Tables" tab provided at thIdentify the final, general destination of the treated process wastewater and waste streams (eeffluent to POTW or surface waters; solid wastes to on- or off-site destinations). Use codes frTables" tab provided at the end of this workbook, when applicable.

Indicate, as appropriate, where treated process wastewater is reused or recycled within the p

pond/impoundment water as fly ash sluice).Include the average annual (2009) flow rates for influent and effluent streams from the wastewdiagram (in gpm or gpd). For planned pond/impoundment systems and wastewater treatment rates for the system. Note that these should be the same flow rates that are entered into Table actual number of days of operation for 2009 is not known, the total annual flow may be divided added to the Comments page. If the process wastewater stream is intermittent, provide amou

“100 gal, twice/day, 100 dpy” or “1000 gpm, 4 hpd, 365 dpy”. For sludges, provide amount in t

D-8 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and 

Include NPDES permit outfall numbers, if applicable.

Example EPA_D-1. Block Diagram for FGD Wastewater Treatment S

If you believe that the diagram should be treated as confidential, stamp it "Confidential" or write "Con

If any diagram is not marked "Confidential", it will be considered nonconfidential under 40 CFR Part 2

If any of the statements above were not checked, revise the block diagram(s) and ensure all s

Review:

D-9 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and 

NOTE: The codes used in these diagrams correspond the code tables on the "Code Tables" 

workbook.

Example EPA_D-2. Block Diagram for Ash Pond System

D-10 
Steam Electric Questionnaire Part D. Pond/Impoundmen

Pond/Impoundment System ID or Wastewa

Part: D

Section Title: 3.2. Wastewater Treatment Wastewater Flows

 Instructions:

CBI? D3-2.

200 gpm 10 hpd 365 dpy

Other: OR gpd dpy Other:Example (from EPA_D-2):

175 gpm 24 hpd 365 dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

Wastewater Treatment 

Unit ID

Table D-3. Pond/Impoundment System or Wastewater Treatment System Influent Flows in 2009

Process or Treated 

Wastewater 

Note: The examples in Tables D-3 and D-4 are derived from the EPA examples diagrams, EPA_D-1 and EPA_D-2, provided at the bottom of Part D Sectio

Complete Section 3.2 (Question D3-2 and D3-3) for each pond/impoundment system or wastewater treatment system identified in Table D-1 and Table D-construction/installation, or planned to be under construction/installation by December 31, 2020. Enter the pond/impoundment system ID or wastewater trea

space provided above (use the pond/impoundment system ID or wastewater treatment system ID assigned in Table D-1 and Table D-2).Make a copy of Section 3.2 for each pond/impoundment system or wastewater treatment system identified in Table D-1 and Table D-2 using the "Copy Sec

Average Annual (2009) Wastewater Flow Rate

Complete a row in Table D-3 for each process wastewater stream or treated wastewater stream that enters this pond/impoundment system or wastewater 

pond/impoundment systems and wastewater treatment systems, provide the design flow rates for the system. Use the process and treated wastewater term

these terms originated from code tables on the "Code Tables" tab provided at the end of this workbook.Example (from EPA_D-1):

Yes

FGD scrubber purgeWWT-1 EffluentSelectSelect

Select

SelectSelectSelectSelectSelect

Copy Section 3.2

Equalization, PrimaryPond Unit - 1SelectSelectSelectSelect

Select

SelectSelect

Select

D-11 
Steam Electric Questionnaire Part D. Pond/Impoundmen

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

gpm hpd dpy

Other: OR gpd dpy Other:

Select

Select

Select

Select

Select

Select

SelectSelect

Select

SelectSelect

SelectSelect

SelectSelectSelectSelectSelect

Select

SelectSelect

Select

SelectSelectSelectSelectSelect

Select

Select

Select

Select

SelectSelect

SelectSelect

SelectSelectSelectSelectSelectSelectSelectSelectSelect

D-12 
Steam Electric Questionnaire Part D. Pond/Impoundmen

CBI? D3-3.

*Provide the NPDES permit outfall number of the effluent in the last column of the table, if applicable.

% Moisture

Example (from EPA_D-1):

175 gpm 24 hpd 365 dpy NA NA 

Other: OR NA gpd NA dpy Other: Example (from EPA_D-1):

NA gpm NA hpd NA dpy NA NA 

Other: OR 10,000 gpd 365 dpy Other: Example (from EPA_D-2):

NA gpm NA hpd NA dpy 500 30 

Other: OR NA gpd NA dpy Other: Example (from EPA_D-2):

5,000 gpm 24 hpd 365 dpy NA NA 

Other: OR NA gpd NA dpy Other: Example (from EPA_D-2):

1,175 gpm 24 hpd 365 dpy NA NA 

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: Complete a row in Table D-4 for each treated wastewater stream or sludge stream that exits this pond/impoundment system or wastewater treatment systeor disposed). For planned pond/impoundment systems and wastewater treatment systems, provide the design flow rates for the system. Use the treated wa

destination terms provided in the drop down menus. Note that these terms originated from code tables on the "Code Tables" tab provided at the end of this 

Wastewater Treatment 

Treated Wastewater Average Annual (2009) Wastewater Flow Rate Unit ID

Solids and Sludge

Amount (tpd or gpm) 

Table D-4. Pond/Impoundment System or Wastewater Treatment System Effluent Flows in 2009

Effluent - 1

Filter backwash

Sludge

Effluent - 2

Effluent - 3Select

SelectSelect

SelectSelectSelectSelectSelectSelect

tpdgpmtpdgpmgpmtpdtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpm

OtherEqualization, SecondaryNANANASelect

Select

SelectSelect

Select

SelectSelectSelectSelect

Yes

D-13 
Steam Electric Questionnaire Part D. Pond/Impoundmen

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

gpm hpd dpy

Other: OR gpd dpy Other: 

Select

SelectSelect

Select

Select

Select

SelectSelect

SelectSelectSelect

Select

SelectSelect

SelectSelectSelectSelect

tpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpmtpdgpm

Select

Select

Select

Select

Select

SelectSelect

SelectSelect

SelectSelectSelectSelectSelectSelectSelectSelectSelect

D-14 
Steam Electric Questionnaire Part D. Pond/Impou

Part: D

Section Title:

 Instructions:

CBI? D4-1.

 (Continue)

CBI? D4-2.

Residence time, hours (as currently operated)Life of pond/impoundment unit, years (based on current estimation)Number of cells in pond/impoundment unit

CBI? D4-3. Complete Table D-5. Provide the pond/impoundment unit's volume, surface area, bottom and top elevation, freeboard height, maximum height of berms and dams above 

placed in the pond/impoundment when it was originally built or planned/designed, at its current status, and at its expected end of life. Additionally, provide the expected yeacolumn. Volume should reflect the free water volume, including the stored solids. For planned pond/impoundment units, enter "NA" in all fields in the "Current" column. Figu

dimensions.Note: Respondents are not required to take new measurements to provide this data; however, best available information should be used to answer Table D-5.

4.1. Active/Inactive/Open and Planned Pond/Impoundment Unit InformationComplete Section 4.1 (Questions D4-1 through D4-12) for each active/inactive/open pond/impoundment unit used OR planned to be used (or constructed/installed), includ

December 31, 2020 for the storage, treatment, and/or disposal of process wastewater, residues , or by-products (or sludges or water streams containing the residues or bycoke, or oil, including but not limited to fly ash, bottom ash, boiler slag, or flue gas emission control residues. Use the pond/impoundment unit IDs assigned in Table A-4.Make a copy of Section 4.1 for each active/inactive/open and planned pond/impoundment units used (or planned to be used) for the storage, treatment, and/or disposal of sludges or water streams containing the residues or by-products) from the combustion of coal, petroleum coke, or oil, including but not limited to fly ash, bottom ash, boiler "Copy Section 4.1" button below.Provide the residence time of the process wastewater in the pond/impoundment unit, the life of the pond/impoundment unit (based on the current estimation), and the num

Do you use OR plan to use (or begin construction/installation of) by December 31, 2020, any active/inactive/open ponds/impoundments, including those located on non-ad

disposal of prcoess wastewater, residues, or by-products (or sludges or water streams containing the residues or by-products) from the combustion of coal, petroleum coke

ash, boiler slag, or flue gas emission control residues?

 (Skip to Section 4.2)NOTE: If a pond/impoundment unit is part of a broader wastewater treatment system containing non-pond wastewater treatment units (e.g., a pond/impoundment unit in a treatment system), complete questions in this section for the pond/impoundment unit.

Yes

Copy Section 4.1

Yes

YesNo

Yes

D-15 
Steam Electric Questionnaire Part D. Pond/Impou

Originally Built or 

Planned/Designed Current Expected End of Life

Volume, ft3Surface area, ft2Bottom elevation, ftTop elevation, ftFreeboard height, ftMaximum height of berms/dams above grade, ftTotal solids placed in the pond/impoundment, tonsExpected year of closure/retirement

 Figure D-1. Pond/Impoundment Dimensions

Table D-5. Active/Inactive/Open and Planned Pond/Impoundment Information

D-16 
Steam Electric Questionnaire Part D. Pond/Impou

CBI? D4-4.

 (Complete Table D-6)

Liner Layer Number (number 

from inner to outer layer) Type of Liner

Thickness of Liner Layer 

(cm)

Permeability of Liner Layer 

(cm/sec)

CBI? D4-5.

Year of last dredgingFrequency of dredging that year, dpyAmount of material removed that year, tonsNumber of times dredged in the last five yearsNumber of days dredged in the last five yearsAmount of material removed in the last five years, tons

 (Skip to Question D4-7) (Pond/Impoundment is planned to be constructed. Skip to Question D4-10) (Skip to Question D4-5)Has the pond/impoundment unit ever been dredged?

Table D-6. Pond/Impoundment Unit Liner

Does the pond/impoundment unit have a liner ? (Pond/Impoundment is planned to be constructed. Information is currently unavailable. Skip to Question D4-10).

Yes (Provide following information)NoNA

Yes

YesNoNA

Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)

Yes

Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)

D-17 
Steam Electric Questionnaire Part D. Pond/Impou

CBI? D4-6.CBI? D4-7.

 (Continue)

CBI? D4-8.CBI? D4-9.CBI? D4-10.

(Skip to Question D4-12)

Indicate the pollutants targeted for removal by this pond/impoundment unit using techniques other than solely settling (e.g., adding chemicals to remove certain metals). [C

 (Skip to Question D4-10) (Pond/Impoundment is planned to be constructed. Skip to Question D4-10)Indicate where the dredged solids are transferred or are planned to be transferred.Has the pond/impoundment unit been expanded since the date it was built?Describe the expansion(s) to the pond/impoundment unit, including the starting and ending dimensions and the total capital and O&M costs associated with the expansion(

Note: Total O&M costs should include labor, materials, energy, hazardous and nonhazardous waste disposal, and any other costs available. Total capital costs 

installation, buildings, site preparation, land, engineering costs, construction expenses, and any other costs available.Identify the type of expansion.

Dredged solids used in embankment construction.Dredged solids transferred to landfill.Dredged solids marketed/sold for reuse.Other (Explain):

Yes

Yes No NA

Yes

Yes

Metals (specify):TSSNitrogen compounds (ammonia, nitrate, nitrite)Organic AcidsChlorine or other oxidizing agentsOil and greaseOther: NA

Yes

Lateral expansionVertical expansionBoth lateral and vertical expansion

Yes

D-18 
Steam Electric Questionnaire Part D. Pond/Impou

CBI? D4-11.

Pollutant:

Limitation:

Pollutant:

Limitation:

Pollutant:

Limitation:

CBI? D4-12.

 (Complete Table D-7)

Chemical Type Trade Name Manufacturer Purpose

Location of 

Chemical 

Addition

Average Dose 

Concentration 

(g/L)

 (Skip to Section 4.2)

A

Table D-7. Chemicals Used in Pond/Impoundment Unit Operations

 (Pond/impoundment is planned to be constructed. Provide information in Table D-7 to the extent possible based on plans.)

Did the plant add chemicals to this pond/impoundment unit in 2009?

Note that "Chemical Type" refers to the generic name of the chemical added to the pond/impoundment (e.g., lime, sodium hydroxide, alum, polymer ). “Average concentration of the chemical within the pond/impoundment unit just after it is added to the unit. In the “Location of Chemical Addition” column, indicate wher

chemical is added (e.g., within the pond/impoundment near the process wastewater influent point, within the pond/impoundment near the effluent, in the efflueonly on a yearly basis, divide the yearly value by the approximate number of days the plant added chemicals (which should be the same estimate for the "FreqOf the pollutants listed in D4-10, which effluent limitation(s) drives/will drive the operation of this pond/impoundment unit? Provide the pollutant and the limitation (mg/L or u

Yes

YesNoNA

Yes

SelectSelectSelect

D-19 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other 

Plant ID: Inser

Plant Name: Inser

Pond/Impoundment Unit ID: Inser

Part: D

Section Title: 4.2. Closed Pond/Impoundment Unit Information

 Instructions:

CBI? D4-13.

 (Continue)Complete Section 4.2 (Questions D4-13 through D4-24) for all pond/impoundment units closed on or including those located on non-adjoining property, that were used for the storage, treatment, and/or diwastewater , residues , or by-products (or sludges or water streams containing the residues or by-prod

coal, petroleum coke, or oil, including but not limited to fly ash, bottom ash, boiler slag, or flue gas empond/impoundment unit IDs assigned in Table A-4).Make a copy of Section 4.2 for each closed pond/impoundment unit, including those located on non-a

used for the storage, treatment, and/or disposal of process wastewater, residues, or by-products (or s

containing the residues or by-products) from the combustion of coal, petroleum coke, or oil, including bottom ash , boiler slag, or flue gas emission control residues using the "Copy Section 4.2" button beloNOTE: If a pond/impoundment was part of a broader wastewater treatment system containing n

treatment units (e.g., a pond/impoundment unit in a biological wastewater treatment system), c

section for the pond/impoundment unit. (Skip to Section 5.1)Are there any ponds/impoundments closed on or after January 1, 2000, including those located on no

were used for the storage, treatment, and/or disposal of residues or by-products (or sludges or water sresidues or by-products) from the combustion of coal, petroleum coke, or oil, including but not limited t

slag, or flue gas emission control residues?

Copy Section 4.2

Yes

YesNo

D-20 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other 

CBI? D4-14.

Date Closed (day/month/year)Life of pond/impoundment unit (years, actual)Number of cells in pond/impoundment unit

CBI? D4-15.

Originally Built End of Life

Volume, ft3Surface area, ft2Bottom elevation, ftTop elevation, ftFreeboard height, ftMaximum height of berms/dams above grade, ftTotal solids placed in the pond/impoundment, tonsProvide the date the pond/impoundment unit was closed, the actual life of the pond/impoundment unitthe pond/impoundment unit.Complete Table D-8. Provide the pond/impoundment unit's volume, surface area, bottom and top elevmaximum height of berms and dams above the surrounding grade, and the total quantity of solids plac

when it was originally built and at its end of life.Volume should reflect orginial and final (accounting for 

volume, including the stored solids. Please refer back to Figure D-1 for an illustration of pond/impound

Table D-8. Closed Pond/Impoundment Information

YesYes

D-21 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other 

CBI? D4-16.

 (Complete Table D-9)

Liner Layer Number 

(number from inner to outer 

layer) Type of Liner 

Thickness of Liner 

Layer (cm)

Pe

Does the pond/impoundment unit have a liner ?

Table D-9. Pond/Impoundment Unit Liner

 (Skip to Question D4-17)

Yes

Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)

YesNo

D-22 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other 

CBI? D4-17.

 (Complete Table D-10)

Cap/Cover Layer Number 

(number from inner to outer 

layer) Type of Cap/Cover Layer

Thickness of 

Cap/Cover Layer (cm)

P

Table D-10. Pond/Impoundment Unit Cap/Cover

Does the pond/impoundment unit have a cap/cover? (Skip to Question D4-18)

YesNo

Yes

Compacted clayGeosynthetic clayVegetative coverHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayVegetative coverHigh density polyethylene (HDPE)Other (provide below:)

Compacted clayGeosynthetic clayHigh density polyethylene (HDPE)Other (provide below:)

D-23 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other 

CBI? D4-18.

 (Continue) (Skip to Question 4-21)Was the pond/impoundment unit expanded during its life?

Yes No

Yes

Compacted clayGeosynthetic clayVegetative coverHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayVegetative coverHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayVegetative coverHigh density polyethylene (HDPE)Other (provide below:)Compacted clayGeosynthetic clayVegetative coverHigh density polyethylene (HDPE)Other (provide below:)

D-24 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other 

CBI? D4-19.CBI? D4-20.CBI? D4-21.

 (Provide a copy of the closure plan)

 (Continue)

CBI? D4-22.

Identify the type of expansion.Describe the expansion(s) to the pond/impoundment unit, including the starting and ending dimensionO&M costs associated with the expansion(s). Note: Total O&M costs should include labor, materials, energy, hazardous and nonhazardous wother costs available. Total capital costs should include purchased equipment, installation, bui

land, engineering costs, construction expenses, and any other costs available.Did the plant have a closure plan for this pond/impoundment unit?Describe the closure process, the required steps, and the costs associated with the closure. Note: If you attached a closure plan for the previous question that includes information on the r

associated costs of the closure, do not answer this question and indicate that the information iclosure plan.

Lateral expansionVertical expansionBoth lateral and vertical expansions

YesNo

YesYes

Information provided in attached closure plan.

Yes

Yes

D-25 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other 

CBI? D4-23. Has the plant built any structures on top of the closed pond/impoundment?

 (Continue)

CBI? D4-24.

Provide a description of the structure(s) and any challenges that the plant faced building on top of the 

 (Skip to Question D4-24)Is the plant performing or does it intend to perform long-term groundwater, soil, or overflow monitoring pond/impoundment unit?

Yes. Describe the monitoring plan:No

Yes

Yes

YesNo

D-26 
Steam Electric Questionnaire Part D. Pond/Impoundment Syst

Wastewater 

Part: D

Section Title:

 Instructions:

CBI? D5-1.

 (Continue)

CBI? D5-2.

Plant Designation

Date Added to 

Wastewater 

Treatment System 

(day/month/year)

Volume 

(ft3)

Footprint/ 

Surface 

Area (ft2)

Residence 

Time (hours)

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

In Table D-11, list all wastewater treatment units comprising the wastewater treatment system including units that are under construction/installation, or plannby December 31, 2020, included in the wastewater treatment system. For each wastewater treatment unit, assign an ID using the wastewater treatment unit t

(e.g., Clarification, Primary-1), which will be used throughout the remainder of the survey; however, if a pond/impoundment unit is included as part of the was

pond/impoundment unit ID assigned in Table A-4 in the space labeled "Pond ID". The drop down menu accounts for the possibility of multiple wastewater trea

sequentially. Note that these terms originated from the code tables on the "Code Tables" tab, provided at the end of this workbook. For example, if the wastewater treatment system includes two clarifiers, select Clarification, Primary-1 for the first clarifier and Clarification, Secondary-1 for thcolumn, provide the plant’s name for each wastewater treatment unit. In the “Date Added to WWT System” column, either enter the date the unit was/will be i“original” if the unit was part of the original wastewater treatment system installation. 

Materials of Cons

 (Skip to Part D Section 6.1)

5.1. Wastewater Treatment Unit Information - System LevelDid you identify any wastewater treatment systems in Table D-2?

Wastewater Treatment Unit ID

Table D-11. Wastewater Treatment Units

Complete Section 5.1 (Questions D5-1 through D5-12) for each wastewater treatment system identified in Table D-2, including planned (under construction/i

construction/installation by December 31, 2020) wastewater treatment systems. Enter the wastewater treatment system ID in the space provided above (use in Table D-2).Make a copy of Section 5.1 for each wastewater treatment system identified in Table D-2 using the "Copy Section 5.1" button below.NOTE: If the wastewater treatment system includes a pond/impoundment unit, include the pond/impoundment unit in Table D-11.

Yes

SelectSelectSelectSelect

Copy Section 5.1

Yes

YesNo

316L stainless steel317LM stainless steel317LMN stainless steel

Carbon steel, lined with: 

316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 

D-27 
Steam Electric Questionnaire Part D. Pond/Impoundment Syst

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

SelectSelectSelectSelectSelectSelectSelectSelect

SelectSelectSelectSelect

Select

SelectSelect

316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 

D-28 
Steam Electric Questionnaire Part D. Pond/Impoundment Syst

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

CBI? D5-3.

Average design flow rate, gpmMaximum design flow rate, gpmTypical flow rate in 2009, gpmMaximum daily flow rate in 2009, gpmMaximum daily flow rate in 2009, gpdDuration of effluent transfers from treatment system in 2009, hpdFrequency of effluent transfers from treatment system in 2009, dpy

CBI? D5-4.

(Skip to Question D5-6)

Indicate the pollutants targeted for removal by this wastewater treatment system using techniques other than solely settling (e.g., adding chemicals to remove [Check all boxes that apply.]Provide the design flow rate for the wastewater treatment system, as well as both the average and maximum flow rates for 2009. In addition, provide the dura

Yes transfers from the wastewater treatment system in 2009. If the wastewater treatment system is planned, only provide the design flow rate and enter "NA" in a

SelectSelectSelectSelect

316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 316L stainless steel317LM stainless steel317LMN stainless steelCarbon steel, lined with: 

Metals (specify):TSSNitrogen compounds (ammonia, nitrate, nitrite)Organic AcidsChlorine or other oxidizing agentsOil and greaseOther: NA

Yes

D-29 
Steam Electric Questionnaire Part D. Pond/Impoundment Syst

CBI? D5-5.

Pollutant:

Limitation:

Pollutant:

Limitation:

Pollutant:

Limitation:

CBI? D5-6.

 (Continue) (Skip to Question D5-8)

CBI? D5-7. Is the plant currently performing sulfide addition?CBI? D5-8.CBI? D5-9.CBI? D5-10.CBI? D5-11.

Provide the bid proposals and/or engineering reports that were prepared for the wastewater treatment system.

Note: All bid proposals and/or engineering reports originally submitted to the plant as CBI, should be marked CBI for the purpose of this collection Of the pollutants listed in D5-4, which effluent limitation(s) drives/will drive the operation of this pond/impoundment unit? Provide the pollutant and the limitatioIs this wastewater treatment system capable of performing sulfide addition?Provide information on any impacts that space availability had, or will have, on the design and/or cost of the wastewater treatment system (e.g., cost increasesystem units into tight spaces and/or moving other equipment to accommodate the treatment system units).Provide information on any impacts that climate had, or will have, on the installation of the wastewater treatment system (e.g., equipment had to be housed in

was necessary to protect equipment in winter, warm climate allowed all wastewater treatment to be located outdoors).In Table D-12, list all planned improvements (including those currently under construction/installation or those planned to be under construction/installation by treatment system. For each planned improvement to the wastewater treatment system, provide the WWT Unit ID the improvement pertains to (if applicable), however, if the improvement relates directly to a pond/impoundment, use the pond/impoundment ID assigned in Table A-4. Provide a description of the improimprovement, and the total capital cost related to the improvement.Note: Total capital costs should include purchased equipment, installation, buildings, site preparation, land, engineering costs, construction expe

I have attached the bid proposals/engineering reports.I did not attach the bid proposals/engineering reports. Below, explain why:

YesYesYesYesYes

SelectSelectSelect

Yes

YesNo

Yes

YesNo

D-30 
Steam Electric Questionnaire Part D. Pond/Impoundment Syst

Description of Improvement

Expected Date of 

Improvement 

(day/month/year)

Total 

Capital 

Cost ($)

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

Other:

Pond ID:

CBI? D5-12.

 (Continue) (Skip to Section 5.2)

Were any of the above planned improvements to the wastewater treatment system, or the planned wastewater treatment system, planned in preparation for p

Please identify which pollutants and/or limits, in particular, the improvements or system will target.

Wastewater Treatment Unit ID

Table D-12. Planned Improvements to the Wastewater Treatment System

SelectSelectSelectSelectSelect

Yes

YesNo

D-31 
Steam Electric Questionnaire Part D. Pond/Impoundm

W

Part: D

Section Title:

 Instructions:

CBI? D5-13.

 (Complete Table D-13) (Skip to Section 6.1)

Chemical Type Trade Name Manufacturer Purpose

Average Dose 

Concentration 

(g/L)

Other:Other:Other:Other:Other:Other:Other:

Wastewater Treatment Unit ID (Identified in Table D-11)

5.2. Wastewater Treatment System Chemical Addition

A

Complete Section 5.2 (Question D5-13) for each wastewater treatment system identified in Table D-2 (including those under construction/installation or planned to b

2020). Do NOT complete Questions D5-8 through D5-12 for pond/impoundment units that are part of a wastewater treatment system (e.g. a pond/impoundment unit treatment system). Enter the wastewater treatment system ID in the spaces provided above (use wastewater treatment system IDs assigned in Table D-2).

Make a copy of Section 5.2 for each wastewater treatment systen identified in Table D-2 using the "Copy Section 5.2" button below.

Table D-13. Chemicals Used in Wastewater Treatment Unit Operations

Complete Table D-13 for each unit (as defined in Table D-11) that chemicals are added to in the wastewater treatment system. Complete a row for each chemical adNote that "Chemical Type" refers to the generic name of the chemical added to the wastewater treatment unit (e.g., lime, organosulfide). "Average Dose Concentratichemical within the wastewater treatment unit just after it is added to the unit. If chemical addition is known only on a yearly basis, divide the yearly value by the apprchemicals (which should be the same estimate for the "Frequency of Addition" column).Did the plant add chemicals to any wastewater treatment units 2009?

 (Wastewater treatment unit is planned to be constructed. Provide information in Table D-13 to the extent possible based on plans.)

Yes

NoN/A

Copy Section 5.2

SelectSelectSelectSelectSelectSelectSelect

Yes

D-32 
Steam Electric Questionnaire Part D. Pond/Impoundm

Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:

SelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelect

D-33 
Steam Electric Questionnaire Part D. Pond/Impoundm

Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:

SelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelect

D-34 
Steam Electric Questionnaire Part D. Pond/Impoundm

Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:Other:

SelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelectSelect

D-35 
Steam Electric Questionnaire Part D. Pond/Impoundment Sy

Pond/Impoundment System ID or Wastewa

Part: D

Section Title:

 Instructions:

CBI? D6-1.

 (Continue) (Skip to next Questionnaire Part)

CBI? D6-2.

O&M Cost Category

Operating labor $ $ Maintenance labor $ $ Maintenance materials $Chemicals $Were any of the pond/impoundment systems and/or wastewater treatment systems identified in Table D-1 or Table D-2 installed (or planned 

per hou

rate o

per hou

rate o

6.1. Pond/Impoundment System and Wastewater Treatment System CostsProvide annual O&M cost data in Table D-14 for each pond/impoundment system and wastewater treatment system identified in Table D-1 ainstalled after January 1, 1985) that was operated in 2009. Provide best engineering estimates when actual data are not readily available. If ythat were used to make the estimates in the Comments page.

2009 Annual Cost 2009 Rate 

Complete Sections 6.1 and 6.2 (Questions D6-1 through D6-6) for each pond/impoundment system and/or wastewater treatment system idewas installed (or is planned to be installed) at the plant on or after January 1, 1985. Enter the pond/impoundment system ID or wastewater trabove (use pond/impoundment system IDs and wastewater treatment system IDs assigned in Table D-1 and Table D-2).Make a copy of Sections 6.1 and 6.2 for each pond/impoundment system and/or wastewater treatment system identified in Table D-1 and Ta6.2" button below. Just pressing this button once will generate copies of both tabs.

Table D-14. O&M Cost for the Pond/Impoundment System or Wastewater Treatment System for 

Yes

Copy Section 6.1 and 6.2

Yes

YesNo

D-36 
Steam Electric Questionnaire Part D. Pond/Impoundment Sy

Energy - Power for pumping $ $ per kWh Energy - Power for operations other than pumping $ $ per kWh Steam $ $ per pounHazardous Sludge Disposal - Dredging $ $ per Hazardous Sludge Disposal - Landfilling $ $ per Nonhazardous Sludge Disposal - Dredging $ $ per Nonhazardous Sludge Disposal - Landfilling $ $ per Other:

$

Other:

$

Total O&M Cost (2009) $

CBI? D6-3. Provide cost data in Table D-15 for each pond/impoundment systems and wastewater treatment system identified in Table D-1 and Table D-

January 1, 1985), including retired/closed pond/impoundment systems, planned pond/impoundment systems, and planned wastewater treatmconstruction/installation or planned to be under construction/installation by December 31, 2020). Provide best engineering estimates when accosts, do not adjust for inflation. For example, if the plant incurred a land cost in 2002, enter the cost in the “Cost” column and enter “2002” in column.NOTE: If no records are available on this wastewater treatment system, provide an explanation in the Comments page.

Yes

D-37 
Steam Electric Questionnaire Part D. Pond/Impoundment Sy

Project

$$$$$

Total Direct Costs $Engineering Costs (includes process design and general 

engineering, cost engineering, consulting fees, supervision, inspection for each category below: a. Engineering Contract Firm Costs $

 b. Owner's Overhead Engineering Costs $

$$$

Total Indirect Costs $Total Capital Cost $Indirect CostsDirect CostsPurchased equipment (includes all equipment for the installation or 

the upgrade: mechanical equipment; piping; instrumentation; 

electrical equipment; spare parts; freight charges; taxes; insurance; and duties) Land (includes property costs and survey fees)Buildings (buildings constructed to house ash handling system 

components, operator rooms, or other operations associated with 

the system; also includes plumbing, heating, ventilation, dust collection, air conditioning, lighting, telephones, intercoms, painting, sprinklers, fire alarms) Construction expenses (includes temporary construction offices, roads, communications, fencing; construction tools and equipment; permits, taxes, insurance)Other Contractor's FeesContingency actually expended (to compensate for unpredictable 

events such as storms, floods, strikes, price changes, errors inestimates, design changes, etc.)Site preparation (includes site clearing, all demolition, grading, roads, walking areas, fences)

Cost 

Table D-15. Capital Cost for the Pond/Impoundment System or Wastewater Treatment System

Year on which Cost is 

Based

Purchased equipment installation (includes installation of all 

equipment; piping; instrumentation/calibration; electrical equipment; mechanical equipment; structural supports, insulation, and paint)

Hired outside engineering firm to oversee design and/or installation of the treatment system.

D-38 
Steam Electric Questionnaire Part D. Pond/Impoundment Sy

CBI? D6-4.CBI? D6-5.

If applicable, indicate whether the FGD wastewater treatment system, for which the plant provided capital cost data in Table D-15, was a retr

scrubber system was installed. If applicable, indicate whether the FGD wastewater treatment system, for which the plant provide capital cost data in Table D-15, was purcha

FGD wastewater treatment system was a retrofitFGD wastewater treatment system was installed when the FGD scrubber system was installedNA

YesYes

FGD wastewater treatment system was purchased as part of the FGD scrubber packageFGD wastewater treatment system was not purchased as part of the FGD scrubber packageNA

D-39 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other W

Plant ID: Insert 

Plant Name: Insert 

Pond/Impoundment System ID or Wastewater Treatment System ID: Insert S

Part: D

Section Title:

 Instructions:

CBI? D6-6.

Examples of ancillary equipment:AeratorAgitatorChemical feed system (specify chemicals)Pump, sludge (specify purpose/location)Pump, wastewater (specify purpose/location)6.2. Pond/Impoundment System and Wastewater Treatment System Equipmen

Complete Section 6.2 (Question D6-6) for all ancillary pieces of equipment inclupond/impoundment system or wastewater treatment system that contribute to 

Table D-15.In Table D-16, list any ancillary pieces of equipment (i.e., equipment such as puincluded in the pond/impoundment system or wastewater treatment system tha

the capital costs provided in Table D-16 and provide the total number of pieces in the system. Refer to the examples of ancillary equipment shown below. 

Yes

D-40 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other W

Ancillary Equipment (if applicable)

Number of Ancillary 

Equipment Pieces in the 

System

Pump, sludge (serving underflow 

from clarifiers) 2

Table D-16. Ancillary Equipment of the Pond/Impoundment 

System or Wastewater Treatment System

D-41 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other W

D-42 
Steam Electric Questionnaire Part D. Pond/Impoundment System

Part: D

Section Title:

 Instructions:

Question 

Number

CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?

Comments

Cross reference your comments by question number and indicate the confidential status of your comment by checking t

(Confidential Business Information). Part D Comments

Yes

YesYesYes

YesYes

Yes

Yes

YesYes

Yes

Yes

D-43 
Steam Electric Questionnaire Part D. Pond/Impoundment System

CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?CBI?

Yes

Yes

Yes

YesYesYes

Yes

Yes

YesYesYes

Yes

D-44 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Was

Air heater cleaning water AHCWAsh pile runoff APR Effluent - 1 Boiler blowdown BB Effluent - 2 Boiler fireside cleaning water BFCW Effluent - 3 Boiler tube cleaning water BTCW Effluent - 4 Bottom ash sluice BAS Effluent - 5 Carbon capture wastewater CCAPW Effluent - 6 Coal pile runoff CPR Filter backwash Combined ash sluice CAS Sludge Combustion turbine cleaning (combustion gas portion of turbine) water

COMBCW

Combustion turbine cleaning (compressor portion of the turbine) water

COMPRCW POND-1 Effluent 

Combustion turbine evaporative coolers blowdown TECB POND-2 Effluent Cooling tower blowdown CTB POND-3 Effluent FGD scrubber purge SCRBP POND-4 Effluent FGD slurry blowdown FGDB POND-5 Effluent Filter Backwash FLTBW POND-6 Effluent Floor drain wastewater FDW POND-7 Effluent Flue gas mercury control system wastewater FGMCW POND-8 Effluent Fly ash sluice FAS POND-9 Effluent General runoff GR POND-10 Effluent Gypsum pile runoff GPR POND-A Effluent Gypsum wash water GYPWW POND-B Effluent Ion exchange wastewater IXW POND-C Effluent Landfill runoff - capped landfill LRC WWT-1 Effluent Landfill runoff - uncapped landfill LRUC WWT-2 Effluent Leachate LEACH WWT-3 Effluent Limestone pile runoff LPR WWT-4 Effluent Mill reject sluice MRS WWT-5 Effluent 

Steam Electric Questionnaire Code Tables

For Use as Effluents from Pon

and/or Wastewater Treatment S

Process Wastewaters

For Use in Tables and Questions throughout Parts A, B, C, D, and F.

For Use as Influents to Pond/Im

Wastewater Treatment System

Recycled Waters Throug

Treated Was
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Was

Steam Electric Questionnaire Code Tables

Once -through cooling water CW WWT-6 Effluent Reverse osmosis reject water RORW WWT-A Effluent SCR catalyst regeneration wastewater SCRRW WWT-B Effluent SCR catalyst washing wastewater SCRWW WWT-C Effluent Soot blowing wash water SOOTWSteam turbine cleaning water STCWYard drain wastewater YARDW

Process Wastewaters Treated Was

For Use in Tables and Questions throughout Parts A, B, C, D, and F.

For Use as Influents to Pond/Im

Wastewater Treatment System

Recycled Waters Throug
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Was

Steam Electric Questionnaire Code Tables

Adsorptive media ADSORB Burned on site Aerobic Biological Reactor AERBIO Deep-well injection Anaerobic Biological Reactor ANBIO Discharge to POTW Aerobic/Anaerobic Biological Reactor AER/ANBIO Discharge to PrOTW Chemical Precipitation Reaction Tank 1 - 1 CP-1-1 Discharge to surface water Chemical Precipitation Reaction Tank 1 - 2 CP-1-2 Evaporation Chemical Precipitation Reaction Tank 2 - 1 CP-2-1 Hauled off site for reuse 

(removal fee)

Chemical Precipitation Reaction Tank 2 - 2 CP-2-2 Hauled off site for reuse (give

away)

Chemical Precipitation Reaction Tank 3 - 1 CP-3-1 Hauled off site for reuse 

(marketed and sold)

Chemical Precipitation Reaction Tank 3 - 2 CP-3-2 Hauled off site for disposal Clarification, Primary - 1 CL-P-1 Mixed with fly ash for disposaClarification, Primary - 2 CL-P-2 On-site landfill (as reported in 

Table A-6)

Clarification, Secondary - 1 CL-S-1 POND-1 Clarification, Secondary - 2 CL-S-2 POND-2 Clarification, Tertiary - 1 CL-T-1 POND-3 Clarification, Tertiary - 2 CL-T-2 POND-4 Constructed wetland - Cell 1 CWL -1 POND-5 Constructed wetland - Cell 2 CWL -2 POND-6 Constructed wetland - Cell 3 CWL -3 POND-7 Constructed wetland - Cell 4 CWL -4 POND-8 Constructed wetland - Cell 5 CWL -5 POND-9 Constructed wetland - Cell 6 CWL -6 POND-10 Constructed wetland system CWTS POND-A Equalization, Primary EQ-P POND-B Equalization, Secondary EQ-S POND-C Filter, Microfiltration - 1 FLT-M-1 WWT-1 Filter, Microfiltration - 2 FLT-M-2 WWT-2 

For Use in Tables and Question

and F

Wastewater Treatment Units Destina

For Use in Tables and Questions Throughout Parts D and F.
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Was

Steam Electric Questionnaire Code Tables

Filter, Microfiltration - 3 FLT-M-3 WWT-3 Filter, Microfiltration - 4 FLT-M-4 WWT-4 Filter, Sand/Gravity - 1 FLT-S-1 WWT-5 Filter, Sand/Gravity - 2 FLT-S-2 WWT-6 Filter, Sand/Gravity - 3 FLT-S-3 WWT-A Filter, Sand/Gravity - 4 FLT-S-4 WWT-B Filter, Ultrafiltration - 1 FLT-U-1 WWT-C Filter, Ultrafiltration - 2 FLT-U-2 Reuse as boiler water Filter, Ultrafiltration - 3 FLT-U-3 Reuse as bottom ash sluice Filter, Ultrafiltration - 4 FLT-U-4 Reuse as combined ash sluicFilter press - 1 FP-1 Reuse as FGD slurry 

preparation water

Filter press - 2 FP-2 Reuse as FGD absorber 

makeup

Holding tank HT Reuse as fly ash sluice Ion exchange IX Reuse as mill reject sluice Natural wetlands NW Reuse in cooling towers pH adjustment - 1 PH-1pH adjustment - 2 PH-2pH adjustment - 3 PH-3Reverse osmosis ROSPond Unit - 1 SPD-1Pond Unit - 2 SPD-2Pond Unit - 3 SPD-3Pond Unit - 4 SPD-4Pond Unit - 5 SPD-5Pond Unit - 6 SPD-6Pond Unit - 7 SPD-7Pond Unit - 8 SPD-8Pond Unit - 9 SPD-9

Wastewater Treatment Units Destina

For Use in Tables and Questions Throughout Parts D and F. For Use in Tables and Question

and F
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Was

Steam Electric Questionnaire Code Tables

Pond Unit - 10 SPD-10 Centrifuge - 1 Pond Unit - 11 SPD-11 Centrifuge - 2 Pond Unit - 12 SPD-12 Centrifuge - 3 Pond Unit - 13 SPD-13 Centrifuge - 4 Pond Unit - 14 SPD-14 Hydrocyclones - 1 Settling tank - 1 ST-1 Hydrocyclones - 2 Settling tank - 2 ST-2 Hydrocyclones - 3 Settling tank - 3 ST-3 Hydrocyclones - 4 Settling tank - 4 ST-4 Filter press - 1 Settling tank - 5 ST-5 Filter press - 2 Thickener - 1 TH-1 Thickener - 1 Thickener - 2 TH-2 Thickener - 2 Vacuum drum filter - 1 VF-1 Vacuum drum filter - 1 Vacuum drum filter - 2 VF-2 Vacuum drum filter - 2 Vacuum filter belt - 1 VFB-1 Vacuum filter belt - 1 Vacuum filter belt - 2 VFB-2 Vacuum filter belt - 2 

For Use in Tables and Questions Throughout Parts D and F. For Use as Planned Solids Ha

Blowdown in Par

Wastewater Treatment Units Solids Ha
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Wastewater Treatment Operations

Part D Drop Downs

Process Wastewaters

Select

Air heater cleaning water

Ash pile runoff

Boiler blowdown

Boiler fireside cleaning water

Boiler tube cleaning water

Bottom ash sluice

Carbon capture wastewater

Coal pile runoff

Combined ash sluice 

Combustion turbine cleaning (combustion gas portion of turbine) water

Combustion turbine cleaning (compressor portion of the turbine) water

Combustion turbine evaporative coolers blowdown

Cooling tower blowdown

FGD scrubber purge

FGD slurry blowdown

Filter Backwash

Floor drain wastewater

Flue gas mercury control system wastewater

Fly ash sluice 

General runoff

Gypsum pile runoff

Gypsum wash water

Ion exchange wastewater 

Landfill runoff - capped landfill

Landfill runoff - uncapped landfill

Leachate

Limestone pile runoff

Mill reject sluice

Once -through cooling water

Reverse osmosis reject water

SCR catalyst regeneration wastewater

SCR catalyst washing wastewater

Soot blowing wash water

Steam turbine cleaning water

Yard drain wastewater

Other
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Wastewater Treatment Operations

Treated Wastewaters

Select

Effluent - 1

Effluent - 2

Effluent - 3

Effluent - 4

Effluent - 5

Effluent - 6

Filter backwash

POND-1 Effluent

POND-2 Effluent

POND-3 Effluent

POND-4 Effluent

POND-5 Effluent

POND-6 Effluent

POND-7 Effluent

POND-8 Effluent

POND-9 Effluent

POND-10 Effluent

POND-A Effluent

POND-B Effluent

POND-C Effluent

Sludge

WWT-1 Effluent

WWT-2 Effluent

WWT-3 Effluent

WWT-4 Effluent

WWT-5 Effluent

WWT-6 Effluent

WWT-A Effluent

WWT-B Effluent

WWT-C Effluent

Other
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Wastewater Treatment Operations

Process or Treated Wastewater (Influent Table D-3)

Select

Air heater cleaning water

Ash pile runoff

Boiler blowdown

Boiler fireside cleaning water

Boiler tube cleaning water

Bottom ash sluice

Carbon capture wastewater

Coal pile runoff

Combined ash sluice 

Combustion turbine cleaning (combustion gas portion of turbine) water

Combustion turbine cleaning (compressor portion of the turbine) water

Combustion turbine evaporative coolers blowdown

Cooling tower blowdown

FGD scrubber purge

FGD slurry blowdown

Filter Backwash

Floor drain wastewater

Flue gas mercury control system wastewater

Fly ash sluice 

General runoff

Gypsum pile runoff

Gypsum wash water

Ion exchange wastewater 

Landfill runoff - capped landfill

Landfill runoff - uncapped landfill

Leachate

Limestone pile runoff

Mill reject sluice

Once -through cooling water

Reverse osmosis reject water

SCR catalyst regeneration wastewater

SCR catalyst washing wastewater

Sludge

Soot blowing wash water

Steam turbine cleaning water

Yard drain wastewater

POND-1 Effluent

POND-2 Effluent

POND-3 Effluent

POND-4 Effluent

POND-5 Effluent

POND-6 Effluent

POND-7 Effluent

POND-8 Effluent

POND-9 Effluent

POND-10 Effluent

POND-A Effluent

POND-B Effluent

POND-C Effluent

WWT-1 Effluent

WWT-2 Effluent

WWT-3 Effluent

WWT-4 Effluent
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Wastewater Treatment Operations

WWT-5 Effluent

WWT-6 Effluent

WWT-A Effluent

WWT-B Effluent

WWT-C Effluent

Other

Treated Wastewater (Effluents Table D-4)

Select

Effluent - 1

Effluent - 2

Effluent - 3

Effluent - 4

Effluent - 5

Effluent - 6

Filter backwash

Sludge

Other
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Wastewater Treatment Operations

Wastewater Treatment Units

Select

Adsorptive media

Aerobic Biological Reactor

Aerobic/Anaerobic Biological Reactor

Anaerobic Biological Reactor

Chemical Precipitation Reaction Tank 1 - 1

Chemical Precipitation Reaction Tank 1 - 2

Chemical Precipitation Reaction Tank 2 - 1

Chemical Precipitation Reaction Tank 2 - 2

Chemical Precipitation Reaction Tank 3 - 1

Chemical Precipitation Reaction Tank 3 - 2

Clarification, Primary - 1

Clarification, Primary - 2

Clarification, Secondary - 1

Clarification, Secondary - 2

Clarification, Tertiary - 1

Clarification, Tertiary - 2

Constructed wetlands

Equalization, Primary

Equalization, Secondary

Filter press - 1

Filter press - 2

Filter, Microfiltration - 1

Filter, Microfiltration - 2

Filter, Microfiltration - 3

Filter, Microfiltration - 4

Filter, Sand/Gravity - 1

Filter, Sand/Gravity - 2

Filter, Sand/Gravity - 3

Filter, Sand/Gravity - 4

Filter, Ultrafiltration - 1

Filter, Ultrafiltration - 2

Filter, Ultrafiltration - 3

Filter, Ultrafiltration - 4

Holding tank

Ion exchange 

Natural wetlands

pH adjustment - 1

pH adjustment - 2

pH adjustment - 3

Pond Unit - 1

Pond Unit - 2

Pond Unit - 3

Pond Unit - 4

Pond Unit - 5

Pond Unit - 6

Pond Unit - 7

Pond Unit - 8

Pond Unit - 9

Pond Unit - 10

Pond Unit - 11

Pond Unit - 12

Pond Unit - 13
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Wastewater Treatment Operations

Pond Unit - 14

Reverse osmosis

Settling tank - 1

Settling tank - 2

Settling tank - 3

Settling tank - 4

Settling tank - 5

Thickener - 1

Thickener - 2

Vacuum drum filter - 1

Vacuum drum filter - 2

Vacuum filter belt - 1

Vacuum filter belt - 2

NA

Other

Destinations

Select

Burned on site

Deep-well injection

Discharge to POTW

Discharge to PrOTW

Discharge to surface water

Evaporation

Hauled off site for reuse (given away)

Hauled off site for reuse (marketed and sold)

Hauled off site for reuse (removal fee)

Hauled off site for disposal

Mixed with fly ash for disposal

On-site company owned landfill

POND-1 

POND-2 

POND-3

POND-4 

POND-5

POND-6 

POND-7 

POND-8 

POND-9

POND-10

POND-A 

POND-B 

POND-C 

Reuse as boiler water

Reuse as bottom ash sluice

Reuse as combined ash sluice

Reuse as FGD absorber makeup

Reuse as FGD slurry preparation water

Reuse as fly ash sluice

Reuse as mill reject sluice

Reuse in cooling towers

WWT-1 

WWT-2 

WWT-3

WWT-4 
Steam Electric Questionnaire Part D. Pond/Impoundment Systems and Other Wastewater Treatment Operations

WWT-5 

WWT-6 

WWT-A 

WWT-B 

WWT-C 

NA

Other

Units

Select

μg/L

mg/L