# MEMORANDUM

TO: Bill Swietlik, EPA

FROM: Kristi Bubb, Lydia Lambert, and Patrick Goodwin, ERG

DATE: April 19, 2013

SUBJECT: Water Quality Model: Plant and Receiving Water Characteristics (DCN SE03573)

This memorandum documents the methodology used in the environmental assessment (EA) for selecting the receiving water characteristic input data for the equilibrium partition coefficient water quality model of the immedi ate receiving waters from steam electric discharges. 1 

# The receiving water characteristic data are broken into two primary types: sitespecific input values based on data available for a given plant or receiving water, and assumption values based on data aggregated from the region of the receiving water (i f site-specific data are not available). Table 1 presents the immediate receiving water characteris tic input variables for the water quality model.

Table 1. Receiving Water Characteristic Input Variables in Water Quality Model

Input Type Input Variable Input Description

Site-specific Q rive r 

# Water body annual flow

Site-specific v Receiving water velocity

Site-specific Len Length of stream reach

Site-specific Q lake 

# Average discharge flow exiting the lake/pond system

Site-specific Area Surface area of the lake, pond, or reservoir

Site-specific d z,lake 

# Depth of the lake, pond, or reservoir

Site-specific Q cool 

# Total cooling water effluent flow by receiving water

Regional Assumption TSS Total suspended solids

Regional Assumption W 10 

# Wind velocity 10 m above the water surface

Regional Assumption T

a 

# Air temperature

Regional Assumption T

w 

# Temperature of the water body



# 1. S ITE 

# -S PECIFIC 

# R ECEIVING 

# W ATER 

# I NPUT 

# V ALUES



# In the immediate receiving water quality m odel there are three main categories of sitespecific variables: receiving water characteri stics for rivers and streams; receiving water

1 

# For further details on the equations and assumptions used in the steady state equilibrium-partitioning model of the immediate receiving waters, see Appendix C in EPA’s Environmental Assessment for the Proposed Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category (EA Report) (DCN SE01995).

# Memorandum April 19, 2013 Page 2

characteristics for lakes, ponds, and reservoirs; and cooling water discharge assumptions. This section describes the methodology us ed to identify the input values required for the different water body types and for the cooling water discharges.

1.1 Selection of COMIDs for Receiving Waters Included in the EA

The National Hydrography Dataset (NHD) Plus geographical information system (GIS) dataset is the primary data source for the receivi ng water input variables within the water quality

model. The NHD Plus dataset is a su ite of geospatial datase ts that integrates the features from the NHD, the National Elevation Dataset (NED), and the National Watershed Boundary Dataset (WBD) into one GIS dataset (USGS and U. S. EPA, 2010). NHD Plus includes medium resolution NHD (1:100,000 scale) stream network in formation, stream characteristic attribute data (e.g., stream flow, velocity, slope), and el evation-derived catchment information (USGS and U.S. EPA, 2010). ERG downloaded the most recent version of the NHD Plus hydrologic region

files available at http://www.horizon-systems.com/NHDPlus/index.php on August 18, 2010.

Attachment 1 lists all of the NHD Plus hydrologic region files used in the EA.

ERG used latitude and longitude information reported in the Questionnaire for the Steam

Electric Power Generati ng Effluent Guidelines (Steam Electric Survey) (DCN SE01958) to

index the final outfalls that disc harge the evaluated waste streams 2 

# to the NHD Plus dataset. ERG used the following multi-step process to verify outfall information reported in the Steam Electric Survey and to ensure identification of the appropriate receiving water:

 Step 1: Verify that plant latitude a nd longitude values provided in the Steam Electric Survey fall within the correct state. ERG identified 281 plants 3 

# that directly discharge the evaluated waste streams. 4 

# ERG created a point laye r of all 281 plants that discharge the evaluated waste streams based on the center po int latitude and longitude data provided in the Steam Electric Survey (Question A5-1). ERG used the plant center point layer to join by location to the ESRI Detailed Boundary of the United States Layer.

ERG evaluated whether the st ate identified by the plant center point latitude and longitude was consistent with the state provided in the address for the plant in the Steam Electric Survey (Question A1-1). Plants whos e latitude and longitude did not match the state provided in the address were fla gged for further QC analysis.

 Step 2: Verify that the ou tfall latitude and longitude values provided in the Steam Electric Survey fall within five miles of plant center point latitude and longitude. ERG created a point layer of all final outfa lls discharging the evaluated waste streams based on the latitude and longitude data prov ided in the Steam Electric Survey (Question A2-5). ERG created a five-mile buffer around each plant center point that was verified in

2 

# The evaluated waste streams are defined as the subset of combustion wastewaters evaluated in the environmental assessment and benefits analyses that includes flue gas de sulfurization (FGD) wastewater , fly ash transport water, bottom ash transport water, and leach ate from landfills or su rface impoundments containi ng combustion residuals.

3 

# See Table 2-2 of the EA Report for a summary of the number of plants evaluated in the EA.

4 

# See Section 10 of EPA’s Technical Development Document for the Pro posed Effluent Limitatio ns Guidelines and Standards for the Steam Electric Po wer Generating Point Source Category (TDD) (DCN SE01964) for a description of the methodology used to calculate pollutant loadings directly discharged from steam electric power plants. See Table 6-1 of the EA Report for a summary of the evaluated waste streams under each regulatory option.

# Memorandum April 19, 2013 Page 3

Step 1. ERG selected the five-mile buffer ba sed on knowledge gained from site visits and best professional judgment on typical distances of outfalls from plants. ERG joined by location the final outfall points to the five-mile buffer for each plant center point to verify that all final outfalls for each plant were within five miles of the correct plant. Outfalls

that fell outside of the five-mile buffer for each plant center point were flagged for further QC analysis.

 Step 3: Index final outfalls to NHD Plus. ERG indexed or snapped the final outfall points to the closest NHD Plus steam reach within 500 feet of the outfall point. ERG used

a 500-foot buffer to account for nominal erro r in the latitude and longitude values provided in the Steam Electric Survey for th e outfalls. ERG extracted the receiving water

name from NHD Plus for the selected CO MID. The COMID is the common identifier number for a NHD stream segment and is the smallest stream segment defined within NHD Plus. For each outfall, ERG compared th e receiving water name in NHD Plus with the receiving water name reported in the Steam Electric Survey (Question A2-8). Outfalls where the NHD Plus receiving water name did not match the Steam Electric Survey name were flagged for further QC analysis.

 Step 4: Select the unique COMID within NH D Plus to represent the receiving water

in the EA. If the receiving water name in NHD Plus matched the receiving water name reported in the Steam Electric Survey, ERG assigned the COMID to the plant-receiving

water 5 

# combination in the EA. If a plant discharges to multiple outfalls along the same receiving water, ERG selected the most dow nstream COMID to represent the receiving

water in the EA.

 Step 5: Manually index and verify remaining final outfalls. ERG manually indexed the remaining final outfalls that did not pass the quality checks outlined in Steps 2-4 using information (e.g., plant address) or maps provided in the Steam Electric Survey or other publically available information on th e plant (e.g., NPDES permits). If the outfall latitude and longitude information was in question, ERG assumed that the receiving water name reported in the Steam Electric Surv ey was correct and indexed the outfall to the nearest COMID that matched the receiving water name based on the plant center point. Some smaller receiving wa ters (e.g., unnamed tributaries or ditches) reported in the Steam Electric Survey are not represented in NHD Plus. If ERG was unable to identify the correct receiving water by name, ERG selected the COMID for the next downstream water reported in the Steam Elect ric Survey (Question A2-8).

ERG identified 316 unique COMIDs or receivin g waters associated with the 281 plants that directly discharge the eval uated waste streams. ERG identified seven COMIDs that received discharges from multiple plants.

As part of the future profile analysis, ERG identified an ad ditional nine plants that may directly discharge the evaluated waste stre ams under varying future profile scenarios. 6 

# Three of

5 

# All EA analyses are conducted at the immediate receivi ng water level and not at the outfall level. A “plantreceiving water” is the unique identifier used in the EA analyses and cons ists of the unique co mbination of a plant name and receiving water name as iden tified in the Steam Electric Survey.

6 

# For further details on the future profile sensitivity analysis, see the Flue Gas Desulfurization

# Memorandum April 19, 2013 Page 4

the nine plants were included in the Steam El ectric Survey. ERG used the same methodology as described above for current profile plants to dete rmine the COMIDs for these three future profile plants. For the remaining six plants, ERG identif ied the city and state provided in the U.S. Department of Energy 2009 Energy Information Administration (EIA) database for proposed plant locations and used best professional judgmen t to select the largest surface water within the city as the probable discharge location for th e future plant. ERG identified nine COMIDs associated with the nine additional plants include d in the future profile. Attachment 2 presents the COMID, plant name, receiving water name, and receiving water type for all immediate receiving waters evaluated in the curr ent and future profiles for the EA.

Only receiving waters with a river or la ke designation were modeled in the immediate receiving water modeling analysis. The specifi c hydrodynamics and scale of the analysis required to appropriately model and quantify receiving water concentrations in the Great Lakes and estuary systems are more appropriately ha ndled separately on a case study basis. ERG evaluated the impacts to the Great Lakes and Chesapeake Bay systems from a total mass loadings perspective in a separate qu alitative analysis, discussed in the Loadings Analysis for the

Steam Electric ELGs Envir onmental Assessment Memorandum (DCN SE01956). The following subsections present the methodology for selecting the receiving water charac teristics for rivers

and lakes included in the water quality model.

1.2 River and Stream Characteristics

ERG identified 270 unique rivers and stream s (261 rivers and streams in the current profile and 9 in the future profile) that receive discharges of the evaluated waste streams for inclusion in the water quality model (Attachment 2). ERG used the identified COMID to extract the stream length (Len), average annual receiving water flow (Q river 

# ), and velocity (v) estimates

for each river or stream included in the imme diate receiving water modeling analysis. The

attribute files associated with NHD Plus flowlines include estima ted mean annual flow in cubic feet per second (cfs ) calculated by the Unit Runoff Method ( MAFlowU) 

# and Vogel Method ( MAFlowV) 

# (USGS and U.S. EPA, 2010). When pr ovided, ERG selected the flow value calculated by the Vogel Method (Vogel et. al, 19 99) and defaulted to the Unit Runoff flow value

when the MAFlowV value was null. NHD Plus al so provides two estimates of mean annual velocity in feet per second (f ps) using the Jobson Method (1 996) and based on the MAFlowU

and MAFlowV mean annual flow values. ERG sele cted the mean annual velocity calculated based on the Vogel Method flow (MAVelV) when av ailable and defaulted to the velocity based on the Unit Runoff flow (MAVelU) when the MAVe lV value was null. ERG used the length of the COMID stream segment provided in NHD Plus (LengthKM) in kilomete rs as input for the length input variable in the water quality mode l. Attachment 3 presents the stream length, average annual receiving water flow, and veloci ty input values for each river included in the water quality model for the cu rrent and future profiles.

1.3 Lake, Pond and Reservoir Characteristics

ERG identified 36 lakes that receive direct di scharges of the evaluated waste streams for inclusion in the water quality model. 7 

# The three primary lake characte ristic input variables in the

Future Profile Sensitivity Analysis Memorandum (DCN SE01989).

7 

# ERG did not identify any lakes associated with the nine additional plants identified for the future profile.

# Memorandum April 19, 2013 Page 5

water quality model include: average annua l discharge outflow from the lake (Q lake 

# ), lake surface area (Area) and lake depth (d z,lake 

# ). ERG manually identified th e outflow flowline in NHD Plus

for each lake and extracted the mean annual flow calculated by the Vogel Method (Vogel et. al, 1999) and defaulted to the Unit Runoff flow va lue when the MAFlowV value was null. Lake characteristic data, in particul ar lake depth, can often be diffi cult to identify using national

datasets. ERG estimated the size of the lake su rface area based on the area of the lake polygon (AreaSqKm) represented in the NHD Plus wate rbody layer for the COMIDs in parentheses

identified in Attachment 2. For the five lakes not represented in the NHD Plus polygon waterbody layer, ERG performed internet searches to identify estimates of lake surface areas from alternative data sources (e.g., topographi cal maps, university or federal and state government websites, and fishing websites). ERG also performed Google searches to identify average depth information provided by university or federal and stat e government websites. When average depth was unavailable, ERG used the maximum depth provided by the identified data sources. If the depth information could not be obtained from government or university resources, ERG referenced private organizati onal websites (e.g., recr eational fishing or environmental interest group websites), contacted state and local government agencies to obtain the depth information, or used topographic maps to estimate the depth of the receiving lake. ERG could not identify depth information for one lake included in the modeling analysis. ERG calculated an average depth among the other rece iving lakes and used the average lake depth value as a surrogate value for the missing lake depth. Attachment 4 lists the sources of information used to identify the lake surface ar ea and depth values used in the water quality model. The source documents are provided se parately in Attachment 8 (refer to DCN SE01955A3). Attachment 5 presents the averag e annual discharge outflow, surface area, and depth input values for each lake in cluded in the water quality model.

1.4 Cooling Water Contributions

Cooling water is frequently commingled with the evaluated waste streams prior to discharge and can result in a significant amount of dilution of the pollutant loadings in the immediate receiving waters. There are three pr imary scenarios under which cooling water is commingled and discharged with the evaluated waste streams:

Cooling Water Scenario 1 - Cooling water intake and discha rge of commingled cooling water and the evaluated waste streams occur within the same water body.

# Memorandum April 19, 2013 Page 6

Cooling Water Scenario 2 - Cooling water intake is lo cated on one water body and the commingled cooling water and evaluated waste st reams are discharged to a different water body.

Cooling Water Scenario 3 – Cooling water intake is located on one water body and cooling water is discharged back into th e original water body either on its own or commingled with the evaluated waste streams (green arrow); however, some percentage of the total cooling water intake flow is commingled with the evaluated wa ste streams and discharged to a different water body (red arrow).

ERG considered the various cooling water scenarios and, in some cases, adjusted the values for water body annual flow (Q river 

# ) used in the water quality model. These adjustments are

intended to reflect the flow cont ributions of the cooling water di scharges that otherwise would not be captured in the flow rate s discussed in Section 1.2. Cooli ng water flows were included in the water quality model only if they were discharg ed from the same outfall as an evaluated waste

stream as identified in the Steam Electri c Survey (Questions A2-5 and A2-10). 8 

# As a simplification of the cooling water flow methodology, ERG exclude d cooling water flows that were discharged from a separate outfall to th e same receiving water as the evaluated waste streams. ERG excluded these cooling water flows due to the uncertainty regarding the relative upstream vs. downstream locations of the two outfalls, and the complexity in determining whether cooling water may or may not impact receiving water concen trations. ERG also excluded cooling water flows commingled with the evaluated waste streams for those plants that

8 

# For plants that did not provide a cooling water flow in Survey Questions A2-5 and A2-10, ERG used the cooling water flows provided in Question A7-1.

# Memorandum April 19, 2013 Page 7

fall under Cooling Water Scenario 1 as there is no effective increase in surface water flow. ERG included cooling water flows commi ngled with the evaluated waste streams for plants that fall under Scenarios 2 and 3. Some plants under Cool ing Water Scenario 3 discharge to multiple receiving waters where one of th e receiving waters may coincide with the cooling water intake source water. For these plants, ERG excluded the cooling water flow s commingled with the evaluated waste stream that are discharged to th e cooling water intake source water (green arrow in Cooling Water Scenario 3 fi gure) and included the commingled cooling water flows for the remaining receiving waters associ ated with the evaluated waste streams (red arrow in Cooling Water Scenario 3 figure).

Based on the responses to the Steam Elect ric Survey, ERG identified 106 plants with cooling water commingled with the evaluated waste streams prior to discharge. ERG used information provided in the January 2000 Industry Short Technical Questionnaire: Phase II Cooling Water Intake Structures (316b Survey) (Question 11(f)) to identify the name of the source water body for the cooling water intake structure for each plant. ERG compared the source water body name in the 316b Survey to the immediate receiving water names identified in Attachment 2 for each plant. If the coo ling water source water body name matched the immediate receiving water name, ERG classified the plant as a Scenario 1 plant. If none of the water body names match, ERG classified the plant as a Scenario 2 plant. If the plant discharges the evaluated waste streams to multiple receiving waters, ERG determined if any of the receiving water names matched the cooling water source wa ter body name. If one of the multiple receiving waters matched the cooling water source wate r body name, ERG classified the plant as a Scenario 3 plant and only excluded cooling wate r flows to the matching source water body. ERG identified 31 plants that discharge commingled cooling/waste streams and for which the source water body name information was not available in the 316b Survey dataset. For each plant with an unknown cooling water source, ERG used best professional judgment in assessing the probability that the receiving water body for the evaluated waste streams could be used as a cooling water intake source based on surface water flow and size of the water body.

Table 2 presents the number of plants that fa ll within each of the cooling water scenario categories. ERG identified 39 plan ts (40 COMIDs or receiving wa ters) that discharge cooling water commingled with the evaluated waste stream s to a different water body than the source water body for the cooling water in take. The majority of the Coo ling Water Scenario 3 plants discharge cooling water commingl ed with the evaluated waste streams to the same water body as the cooling water source water body. Based on receiving water flows and best professional judgment, ERG included cooling water flows for 16 plants (16 COMIDs or receiving waters) of the 31 plants with an unknown source water body for the cooli ng water intake. Attachment 6 presents the cooling water flows us ed in the water quality model.

Table 2. Number of Plants in Under the Cooling Water Discharge Scenarios

Scenario Number of Plants
Cooling Water Scenario 1 45 Cooling Water Scenario 2 20 Cooling Water Scenario 3 10

Unknown Intake Water 31

Total Number of Plants that Di scharge Cooling Water Commingled

with the Evaluated Waste Streams 106

# Memorandum April 19, 2013 Page 8

2. R EGIONAL 

# A SSUMPTION 

# I NPUT 

# V ALUES



# ERG used regional data to populate input values for the followi ng four model input variables: wind velocity (W10), air temperatur e (Ta), water body temper ature (Tw), and total suspended solids (TSS). ERG downloaded the Nati onal Climatic Data Center (NCDC) national mean annual wind speed and air temperature GIS shapefiles ( http://hurricane .ncdc.noaa.gov/cgibin/climaps/climaps.pl?directiv e=quick_results&subrnum=&pop=YES ) available on May 12, 2011 (Figures 1 and 2). ERG created a point file snapped to the center point of the COMID lines

identified in Attachment 2. ERG overlaid the CO MID point file with the NCDC GIS shapefiles and extracted the wind speed and air temperat ure ranges associated with each immediate receiving water. As an environmentally conser vative estimate, ERG selected the lower range value for wind speed and air temperature as inpu t values for the water model (e.g., if the NCDC dataset represented the mean wind speed for a given location as 8.0-8.9 mph, ERG selected the value of 8.0 mph for use in the model).

Figure 1. National Climatic Data Ce nter National Mean Annual Wind Speed

# Memorandum April 19, 2013 Page 9

Figure 2. National Climatic Data Ce nter National Mean Annual Temperature

ERG downloaded the June 2005 vers ion of 1:2,000,000-Scale Hydrologic Unit Boundaries GIS layer available at http://water.usgs.gov/GIS/huc.html on August 24, 2010. ERG used the COMID point file to extract the hydrol ogic unit code (HUC) for each receiving water and determined the hydrologic region. ERG us ed the identified hydrol ogic region for each receiving water to select the appropriate water body temperatur e and TSS input values based on data presented in the April 2010 Human and Ecological Risk Asse ssment of Coal Combustion Wastes (CCW) report. Table 3 presents the TSS concen trations compiled from Legacy STORET data. ERG selected the geometric mean value as the water quality input value for each receiving water. Table 4 presents the average water body temperatures compiled from Legacy STORET data. Attachment 7 presents the wind velocity, air temperature, water body temperature, and TSS input assumptions for each receiving wate r included in the wa ter quality model.

Table 3. TSS Concentrations in Lakes and Rivers

Hydrologic

Region Number of

Measurements Number of Annual

Medians Annual Median TSS (mg/L) (log triangular distribution)

Min Max Geometric

Mean Weighted

Geometric

Mean

1 9,007 33 3.2 40 8 6

2 47,202 38 10 316 32 40

3 43,395 36 6.3 79 25 25

4 29,577 37 6.3 794 25 25

5 39,900 38 4 100 25 25

6 4,137 28 5 316 16 20

7 34,494 37 32 1,585 63 100

8 46,231 38 50 316 158 126

9 3,254 35 13 3,162 32 63

10 62,791 38 10 398 126 126

# Memorandum April 19, 2013 Page 10

Table 3. TSS Concentrations in Lakes and Rivers

Hydrologic

Region Number of

Measurements Number of Annual

Medians Annual Median TSS (mg/L) (log triangular distribution)

Min Max Geometric

Mean Weighted

Geometric

Mean

11 48,969 38 25 794 200 126

12 7,280 35 40 1,995 79 126

13 13,974 37 32 79,433 200 398

14 26,699 38 16 5,012 158 251

15 9,162 37 20 19,953 200 398

16 19,965 33 4 2,512 16 25

17 173,136 37 2 316 6 10

18 42,022 37 13 398 63 50

Lakes (national) 4,360 99 1 398 25 25

Source: U.S. EPA, 2010b; Legacy STORET database.



# Table 4. Regional Surface Water Temperatures

Hydrologic Region Climate Surface Water Temperature (°C)

1 North 14 (Northern Median) a



# 2 North 16

3 South 21

4 North 14

5 North 17

6 South 18

7 North 15

8 South 20

9 North 10

10 North 13

11 South 17

12 South 21

13 South 17 (Southern Median) b



# 14 South 9

15 South 17

16 South 9

17 North 14 (Northern Median) a



# 18 South 15

Source: U.S. EPA, 2010b; Legacy STORET database data. a – The average surface water temperatur e for this hydrologic region was not provided in the original source. This value represents the median temperature among the northern climate regions presented in the table. b – The average surface water temperature for this hydrologi c region was not provided in the original source. This value represents the median temperature among the southern climate regions presented in the table.

# Memorandum April 19, 2013 Page 11

3. R EFERENCES



# AEC Lowman Steam Plant. 2004. Alabama Departme nt of Environmental Management National Pollutant Discharge Elimination System (NPDES) Discharge Permit AL0003671. DCN

SE03894.

AES Eastern Energy LP. 2010. New York State De partment of Environmental Conservation State Pollutant Discharge Elimination Sy stem (SPDES) Discharge Permit NY0001325. DCN

SE03893.

Jobson, H. E. 1996. Prediction of Traveltime and Longit udinal Dispersion in Rivers and

Streams. U.S. Geological Survey Water Resour ces Investigations Report 96-4013, U.S. Geological Survey (as cited in the 2010 NHD Plus Users Guide).

National Climatic Data Center (NCDC). 2011. Wi nd and Temperature National Data. Asheville,

NC. DCN SE03562.

USGS and U.S. EPA. 2010. NHD Plus Users Guide . (September).

USGS and U.S. EPA. 2012. National Hydr ography Dataset (NHD) Plus Geographical Information System (GIS) Dataset. Washington, DC. DCN SE03885.

U.S. EPA, 2010a. Industry Short Technical Questionnaire : Phase II Cooling Water Intake

Database . Washington, DC. Available at www.regulations.gov

U.S. EPA, 2010b. Human and Ecological Risk Assessment of Coal Combustion Wastes (CCW)

. Washington, DC (April). DCN 06043.

U.S. EPA. 2012c. Receiving Water COMID Point File. Washington, DC. DCN SE03563.

U.S. EPA. 2012d. Receiving Water Characteris tics Database. Washington, DC. DCN SE03564.

U.S. EPA 2012e. Cooling Water Da tabase. Washington, DC. DCN SE03565.

U.S. EPA. 2013. Lake Depth and Surface Ar ea Sources. Washington, DC. DCN SE01955A1.

Vogel, R.M., Wilson, I.W., and Daly, C. 1999. “Regional Regression Models of Annual Streamflow for the United States,” Journal of Irrigation and Drainage Engineering Vol. 125, No. 3, pp. 148-157 (as cited in the 2010 NHD Plus Users Guide).

# Attachment 1 April 19, 2013 Page 1-1

Attachment 1: NHD Plus Files Used to Po pulate Receiving Water Model Input Variables

Hydrologic Region NHD Plus File Name a



# 1 NHDPlus01V01_03_NHD;
NHDPlus01V01_02_cat_flowline_attr

2 NHDPlus02V01_02_NHD;
NHDPlus02V01_02_cat_flowline_attr

3 NHDPlus03V01_02_NHD;
NHDPlus03V01_04_cat_flowline_attr

4 NHDPlus04V01_02_NHD;
NHDPlus04V01_02_cat_flowline_attr

5 NHDPlus05V01_03_NHD;
NHDPlus05V01_02_cat_flowline_attr

6 NHDPlus06V01_03_NHD;
NHDPlus06V01_02_cat_flowline_attr

7 NHDPlus07V01_03_NHD;
NHDPlus07V01_02_cat_flowline_attr

8 NHDPlus08V01_03_NHD;
NHDPlus08V01_03_cat_flowline_attr

9 NHDPlus09V01_02_NHD;
NHDPlus09V01_02_cat_flowline_attr

10 Lower NHDPlus10LV01_03_NHD;
NHDPlus10LV01_03_cat_flowline_attr

10 Upper NHDPlus10UV01_03_NHD;
NHDPlus10UV01_03_cat_flowline_attr

11 NHDPlus11V01_03_NHD;
NHDPlus11V01_03_cat_flowline_attr

12 NHDPlus12V01_02_NHD;
NHDPlus12V01_03_cat_flowline_attr

13 NHDPlus13V01_03_NHD;
NHDPlus13V01_03_cat_flowline_attr

14 NHDPlus14V01_03_NHD;
NHDPlus14V01_03_cat_flowline_attr

15 NHDPlus15V01_03_NHD;
NHDPlus15V01_03_cat_flowline_attr

16 NHDPlus16V01_02_NHD;
NHDPlus16V01_03_cat_flowline_attr

17 NHDPlus17V01_03_NHD;
NHDPlus17V01_04_cat_flowline_attr

18 NHDPlus18V01_02_NHD;
NHDPlus18V01_03_cat_flowline_attr

Source: USGS and U.S. EPA, 2012.

a – NHD Plus files each contain the version information in the filename in the form of "Vss_cc", where “ss” is the

schema version and “cc” is the data content version.

# Attachment 2 April 19, 2013 Page 2-1

Attachment 2: COMIDs for All Plant-Receiving Waters that Receive Direct Discharges of

the Evaluated Waste Streams

COMID a 

# Plant Name Receiving Water Name Receiving Water Type b



# 9436883 B L England Great Egg Harbor Estuary 16928218 Crystal River Energy Complex Gulf of Mexico Estuary 16919194 Tampa Electric - Big Bend Station Hillsborough Bay Estuary 6130891 Brayton Point Station Mount Hope Bay Estuary

12927619 c 

# JC Weadock Power Plant and DE Karn Power

Plant Saginaw Bay Estuary

9840314 Dunkirk Generating Plant Lake Erie Great Lakes 25769231 JR Whiting Power Plant Lake Erie Great Lakes

30726982 Monroe Power Plant Lake Erie Great Lakes

28125104 Avon Lake Power Plant Lake Erie Great Lakes

12919103 Harbor Beach Power Plant Lake Huron Great Lakes 3397270 NIPSCO Michigan City Generating Station Lake Michigan Great Lakes 12176006 Edgewater Generating Station Lake Michigan Great Lakes 12170709 Waukegan Station Lake Michigan Great Lakes 9017399 JH Campbell Power Plant Lake Michigan Great Lakes 3398586 NIPSCO Bailly Generating Station Lake Michigan Great Lakes 12169333 Oak Creek Power Plant Lake Michigan Great Lakes

12169377 Pleasant Prairie Power Pl ant Lake Michigan Great Lakes

15561361 AES - Somerset Lake Ontario Great Lakes 12026640 Presque Isle Power Plant Lake Superior Great Lakes 18082798 Jack Watson Big Lake Lake 18094761 Victor J Daniel Jr Black Creek Cooling Pond Lake 10840538 J. K. Spruce Power Plant Calaveras Lake Lake 21979641 AES Cayuga LLC f 

# Cayuga Lake Lake

13881754 AER- Coffeen Power Station Coffeen Lake Lake 1638881 Coleto Creek Power, L.P. Coleto Creek Cooling Pond Lake

5577643 Gibbons Creek Steam Electric Station Gibbons Creek Reservoir Lake 1827174 E.W. Brown Herrington Lake Lake 8696233 Roxboro Steam Plant Hyco Lake Lake 22326519 Boswell Energy Center Jay Gould Lake Lake 2996516 LaCygne Generating Station La Cygnes Lake Lake 6445736 Plant Crisp Lake Blackshear Lake

6336412 Plant Scherer Lake Juliette Lake 9017879 James De Young Generatin g Station Lake Macatawa Lake

9755486 Marshall Steam Station Lake Norman Lake

1943791 Plant Harllee Branch Lake Sinclair Lake

5278988 Martin Lake Steam Electric Station Martin Creek Reservoir Lake 8693517 Mayo Electric Generating Plant Mayo Reservoir Lake 2333759 Montrose Generating Station Montrose Lake Lake

16968628 Four Corners Steam Elect ric Station Morgan Lake Lake

14365968 Mount Storm Power Station Mount Storm Lake Lake

9755532 Riverbend Steam Station Mountain Island Lake Lake 12135490 B C Cobb Power Plant Muskegon Lake Lake 14519135 Milton R Young Station Nelson Lake Lake

10433546 Newton Newton Lake Lake 9017837 JH Campbell Power Plant Pigeon Lake Lake 880570 AmerenUE Sioux Power Plant Poeling Lake Lake 13565470 Kindcaid Generation, LLC Sangchris Lake Lake 21979923 AES Greenidge LLC Seneca Lake Lake

# Attachment 2 April 19, 2013 Page 2-2

Attachment 2: COMIDs for All Plant-Receiving Waters that Receive Direct Discharges of

the Evaluated Waste Streams

COMID a 

# Plant Name Receiving Water Name Receiving Water Type b



# 3124210 W. A. Parish E.G.S. Smithers Lake Lake

20972936 Sooner Power Plant Sooner Reservoir Lake

397492 Flint Creek Power Plant SWEPCO Lake Lake 10286056 Merom Generating Station Turtle Creek Reservoir Lake

5575723 Oak Grove Steam Electric Station Twin Oak Reservoir Lake 22134501 Kingston Watts Bar Reservoir Lake

1009152 Welsh Welsh Reservoir Lake 4742231 RRI Energy Keystone Generating Station Allegheny River River 11050038 Cheswick Power Station Allegheny River River 902800005 Plant Scholz Apalachicola River River

381688 Muskogee Generating Station Arkansas River River

19464172 New Castle Power Plant Beaver River River

5555198 Twin Oaks Power Bee Branch River

10907265 e 

# Two Elk Generating Station (FP-2) Belle Fourche River River 18819844 Sheldon Station Big Blue River River 23850957 TransAlta Centralia Generation, LLC Big Hanaford Creek River 18104316 R.D. Morrow Sr. Generating Site Black Creek River 18592136 Plant Gorgas Bl ack Warrior Creek River 7589977 Asbury Power Plant Blackberry Creek River 4754836 EME Homer City Generation L.P. Blacklick Creek River 908539 Big Sandy Blaine Creek River

19451557 Cardinal Blockhouse Hollow Run River

12035539 Cliffside Steam Station Broad River River 2587781 RRI Energy Inc. Portland Generating Station Brushy Meadow Creek River

9903689 Plant McManus Burnett Creek River

1920740 JM Stuart Station Buzzardroost Creek River

19581379 e 

# Colbert Cane Creek River

9756896 Allen Steam Station Catawba River River 5791766 Fayette Power Project Cedar Creek River

16968628 Four Corners Steam Elect ric Station Chaco Wash River 3291908 Georgia Power Company - Plant Wansley Chattahoochee River River

3290268 Plant Yates Chattahoochee River River 3286344 Plant Jack McDonough Chattahoochee River River

14787485 Will County Station Chicago Sanitary and Ship

Canal River

8151995 PPL Montour Chillisquaque Creek River

14640413 Clinch River Plant Clinch River River

14643309 Bull Run Clinch River River

7701182 Middletown Power LLC Connecticut River River 6782121 Mount Tom Generating Company,LLC Connecticut River River

19454513 Mitchell Plant Conner Run River 9643641 Williams Station Cooper River River

22273458 Plant E C Gaston Coosa River River

22199835 Plant Gadsden Coosa River River

15823211 Plant Hammond Coosa River River 4741469 RRI Energy Keystone Generating Station Crooked Creek River

11884778 Cumberland Cumberland River River

8677721 Dan River Steam Station Dan River River

8679473 Belews Creek Steam Station Dan River River

# Attachment 2 April 19, 2013 Page 2-3

Attachment 2: COMIDs for All Plant-Receiving Waters that Receive Direct Discharges of

the Evaluated Waste Streams

COMID a 

# Plant Name Receiving Water Name Receiving Water Type b



# 13437811 d 

# R. M. Schahfer Generating Station Davis Ditch River 10054602 Chesapeake Energy Center Deep Creek River 2588325 RRI Energy Inc. Portland Generating Station Delaware River River 4481763 PSEG Mercer Generating Station Delaware River River

4995391 Interstate Power and Light - Ottumwa Generating Station Des Moines River River

14788089 c 

# Joliet Station 9 and Joliet Station 29 Des Plaines River River 10850250 River Rouge Power Plant Detroit River River 10850256 Wyandotte Municipal Services-Power Plant Detroit River River

10850286 Trenton Channel Power Plant Detroit River River 9673662 Cross Generating Station Diversion Canal River

10902281 e 

# Wygen 2 (FP-5) Donkey Creek River

13606618 Duck Creek Power Plant Duck Creek River 14638941 Clinch River Plant Dumps Creek River 6907783 Glen Lyn Plant East River River 5567527 Sandow Steam Electric Station East Yegua Creek River 9614169 Canadys Station Edisto River River

448630 Plant Crist Escambia River River 6499098 Georgia Power Company - Plant Bowen Etowah River River

902770057 Plant Mitchell Flint River River

14365710 Mount Storm Power Station Four Mile Run River

12005077 Pulliam Fox River River

22165396 Asheville Steam Electric Plant French Broad River River 9005799 J. B. Sims Generating Station Grand River River

12245290 Eckert Station Grand River River

3886042 Miami Fort Station Great Miami River River 3883754 O.H. Hutchings Station Great Miami River River

11617335 c 

# R D Green and HMP&L Station Two Green River River

11630665 Green River Green River River 5279492 Pirkey Hatley Creek River

15075546 Entergy Gulf States, LLC - Roy S. Nelson

Station Houston River River

6212808 Danskammer Generating Station Hudson River River

13606886 Duck Creek Power Plant Illinois River River

13606224 Powerton Station Illinois River River

13608606 Havana Power Station Illinois River River

13606204 E.D. Edwards Illinois River River

3601022 Pearl Station Illinois River River 14780202 Hennepin Power Station Illinois River River

17538901 Interstate Power and Light - Sutherland Generating Station Iowa River River

11627775 Paradise Jacobs Creek River

7608001 James River Power Station James River River

8548185 Bremo Power Station James River River

10067405 Dominion - Chesterfield Power Station James River River 19918814 Brame Energy Center Jean De Jean, Bayou River

19315420 John E. Amos Plant Kanawha River River

6925319 Kanawha River Plant Kanawha River River 13437773 R. M. Schahfer Generating Station Kankakee River River 3729559 Lawrence Energy Center Kansas River River

# Attachment 2 April 19, 2013 Page 2-4

Attachment 2: COMIDs for All Plant-Receiving Waters that Receive Direct Discharges of

the Evaluated Waste Streams

COMID a 

# Plant Name Receiving Water Name Receiving Water Type b



# 13893058 e 

# Prairie State Generatng Station (FP-3) Kaskaskia River River 13893080 Baldwin Energy Complex Kaskaskia River River 1827714 William C. Dale Power Station Kentucky River River 21978203 AES Greenidge LLC Keuka Outlet River 19443215 General James M. Gavin Kyger Creek River 19443313 OVEC - Kyger Creek Station Kyger Creek River 5575475 Limestone Electrical Generating Station Lambs Creek River

18476493 Indianapolis Power & Light Company - Harding

Street Station Lick Creek River

18470878 Indianapolis Power & Light Company - Petersburg Generating Station Lick Creek River

4462856 Associated Electric Coop erative, Inc, Thomas Hill Energy Center Little Chariton River River

8099955 AES Westover, LLC Little Choconut Creek River

11049576 Cheswick Power Sta tion Little Deer Creek River

397428 Flint Creek Power Plant Little Flint Creek River 19443295 OVEC - Kyger Creek Station Little Kyger Creek River

16883592 Manatee Little Manatee River River 16801745 Tampa Electric - Polk Power Station Little Payne Creek River 10147091 Marion Generating Station Little Saline Creek River

1920666 JM Stuart Station Little Three Mile Creek River 3787587 Hatfield's Ferry Power Station Little Whiteley Creek River

18567401 Plant James H Miller Jr Locust Fork River

22518274 e 

# BP Wilmington Calciner (FP-1) Los Angeles River River

5576035 Limestone Electrical Generating Station Lynn Creek River 15433660 Plesants Power Station McElroys Run River 12162650 Valley Power Plant Menomonee River River

6742054 PSNH - Merrimack Station Merrimack River River

10080952 Vermilion Power Station Middle Fork Vermilion

River River

13326792 Wisconsin Power and Light - Nelson Dewey Generating Station Mississippi River River

14807193 Louisa Generating Station Mississippi River River

6966239 Interstate Power and Light - Burlington Generating Station Mississippi River River

7469410 New Madrid Power Plant Mississippi River River

13211666 Interstate Power and Light - Lansing Generating

Station Mississippi River River

13208374 Genoa #3 Mississippi River River 2723115 Sherburne County Generating Plant Mississippi River River 880824 AmerenUE Sioux Power Plant Mississippi River River 14804489 Riverside Generating Station Mississippi River River 3629181 Rush Island Mississippi River River 2118222 John P. Madgett Mississippi River River

13357548 Interstate Power and Light - Dubuque Generating Station Mississippi River River

14809371 M.L. Kapp Generating Station Mississippi River River 14805943 Fair Station Mississippi River River 14807223 Muscatine Power and Water Generating Station Mississippi River River 19085479 Big Cajun 2 Mississippi River River

# Attachment 2 April 19, 2013 Page 2-5

Attachment 2: COMIDs for All Plant-Receiving Waters that Receive Direct Discharges of

the Evaluated Waste Streams

COMID a 

# Plant Name Receiving Water Name Receiving Water Type b



# 14519595 c 

# Leland Olds Station and Great River Energy

Stanton Station Missouri River River

17219468 North Omaha Station Missouri River River 2255299 Iatan Generating Station Missouri River River 4391297 Independence Missouri City Power Plant Missouri River River 4391311 Sibley Generating Station Missouri River River 2252949 Lake Road Generating Station Missouri River River 2255479 Quindaro Power Plant Missouri River River 7312385 Nebraska City Station Missouri River River

17244416 c 

# George Neal South and George Neal North Missouri River River

6010286 Labadie Power Plant Missouri River River 18522283 Plant Barry Mobile River River 9644711 Williams Station Molly Branch River 3768832 Fort Martin Power Station Monongahela River River 3788073 Hatfield's Ferry Power Station Monongahela River River 3785919 Mitchell Power Station Monongahela River River

3768844 e 

# Fenton Wind Farm (FP-6) Monongahela River River 3785889 Elrama Power Plant Monongahela River River 8342665 Dolet Hills Power Station Mundy Bayou River 15383255 Muskingum River Muskingum River River 15379411 Conesville Muskingum River River 6908685 Glen Lyn Plant New River River 15569803 C R Huntley Generating Station Niagara River River

22109483 Dave Johnston Plant North Platte River River 901990011 Winyah Generating Station North Santee River River

12169257 e 

# Elm Road Generating Station (FP-4) Oak Creek River

6336760 Plant Scherer Ocmulgee River River

3406123 AEP Tanners Creek Plant Ohio River River 10164012 Gallagher Generating Station Ohio River River

3406069 Miami Fort Station Ohio River River

19442931 c 

# Mountaineer Plant and Philip Sporn Ohio River River

10110377 Elmer Smith Station Ohio River River 19443471 OVEC - Kyger Creek Station Ohio River River 10161978 Trimble County Ohio River River

1922224 JM Stuart Station Ohio River River

10157791 A. B. Brown Station Ohio River River

3821113 Bruce Mansfield Plant Ohio River River

3407479 East Bend Station Ohio River River 1839957 Joppa Steam Ohio River River 10110339 F.B. Culley Generating Station Ohio River River

19455341 Kammer Plant Ohio River River

10164038 Mill Creek Ohio River River

15434056 Plesants Power Station Ohio River River

19455355 Mitchell Plant Ohio River River

19453107 Cardinal Ohio River River

19442973 General James M. Gavin Ohio River River 1922018 EKPC Spurlock Station Ohio River River

10109549 Kenneth C. Coleman Station Ohio River River 10110333 Rockport Ohio River River

# Attachment 2 April 19, 2013 Page 2-6

Attachment 2: COMIDs for All Plant-Receiving Waters that Receive Direct Discharges of

the Evaluated Waste Streams

COMID a 

# Plant Name Receiving Water Name Receiving Water Type b



# 1921988 Dayton Power & Light, Killen Station Ohio River River

1922898 W H Zimmer Station Ohio River River

10164018 Cane Run Ohio River River 19455277 R. E. Burger Plant Ohio River River 1922872 Walter C Beckjord Station Ohio River River

3821343 W. H. Sammis Plant Ohio River River

3408277 Ghent Ohio River River 10161934 Clifty Creek Station Ohio River River

6657975 Hoot Lake Plant Otter Tail River River 1767108 Laskin Energy Center Partridge River River 11690558 Brandon Shores Patapsco River River 11908816 Chalk Point Generating Station Patuxent River River

18758714 e 

# Whelan Energy Center Pawnee Creek River

3786291 Mitchell Power Station Peters Creek River 7268335 Platte Generating Station Platte River River 22178444 John Sevier Polly Branch River 1922510 Walter C Beckjord Station Pond Run River
4532873 Mirant Mid-Atlantic, LLC Potomac River River 4507392 Dickerson Generating Station Potomac River River

22477477 Interstate Power and Light - Prairie Creek Generating Station Prairie Creek River

3124250 W. A. Parish E.G.S. Rabbs Bayou River 17264353 Lon D. Wright Power Plant Rawhide creek River 9545069 Hugo Red River River 760540 Sikeston Power Station Richland Drainage Ditch 4 River

8653054 Clover Power Station Roanoke River River

3715680 Harrison Power Station Robinson Run River

14523377 R.M. Heskett Station Rock Haven Creek River

951449 Comanche Station Saint Charles River River

13196020 c 

# Belle River Power Plant and St. Clair Power

Plant Saint Clair River River

2649706 Allen S King Generating Plant Saint Croix River River

16660003 JEA- St. Johns River Power Park Saint Johns River River 12254504 Michigan South Central Power Agency Saint Joseph River River

9867726 Lee Steam Station Saluda River River 16658019 Northside Generating Station San Carlos Creek River

20107243 Plant Kraft Savannah River River 4782753 Titus Generation Station Schuylkill River River 5218205 Picway Scioto River River 10828642 San Miguel Electric Cooper ative, Inc. Souse Creek River

2889352 Valmont Station South Boulder Creek River

229757 Cherokee Station South Platte River River 7591059 Riverton Power Station Spring River River

54396 Martin St Lucie Canal River 16665275 Seminole Generating Station St. Johns River River

13437811 d 

# R. M. Schahfer Generating Station Stahlbaum Ditch River

5160339 Chamois Power Plant Stonners Branch River 14365968 Mount Storm Power Station Stony River River 13564578 Dallman Sugar Creek River

# Attachment 2 April 19, 2013 Page 2-7

Attachment 2: COMIDs for All Plant-Receiving Waters that Receive Direct Discharges of

the Evaluated Waste Streams

COMID a 

# Plant Name Receiving Water Name Receiving Water Type b



# 8152547 PPL Montour Susquehanna River River 4518760 Sunbury Generation LP Susquehanna River River 4722211 PPL Brunner Island Susquehanna River River 9643181 Jefferies Generating Station Tailrace Canal River

6130213 Somerset Station Taunton River River 3646684 Tecumseh Energy Center Tecumseh Creek River

19646344 Widows Creek Tennessee River River

21642176 Charles R. Lowman g 

# Tombigbee River River 19443249 General James M. Gavin Turkey Run River 4752366 EME Homer City Generation L.P. Two Lick Creek River

5161861 Columbia Municipal Power Plant Unnamed tributary to Bear

Creek River

4752260 EME Homer City Generation L.P. Unnamed tributary to

Blacklick Creek River

4754222 Conemaugh Unnamed tributary to Conemaugh River River

19314054 John E. Amos Plant Unnamed tributary to Lick

Run River

3642738 Jeffrey Energy Center Unnamed tributary to Lost

Creek River

5052419 Meramec Unnamed tributary to

Meramec River River

19221367 Choctaw Generation, LP Unnamed tributary to Middle Byway Creek River

3265276 Naughton Power Plant Unnamed tributary to North Fork Little Muddy Creek River

1838867 Joppa Steam Unnamed Tributary to Ohio

River River

15370990 Conesville Unnamed tributary to Wills

Creek River

7310823 Walter Scott Jr. Energy Center Upper Pony Creek River 9840092 Dunkirk Generating Plant Van Buren Bay Creek River 833360 Northeastern Power Station Verdigris River River 10283906 Wabash River Generating Station Wabash River River 10209979 Cayuga Wabash River River 9071958 Grainger Generating St ation Waccamaw River River

11690522 Brandon Shores Wagner Plant Discharge

Canal River

9644721 Williams Station Wappoola Swamp River 2178615 Plant Lansing Smith Warren Bayou River 18211194 Plant Greene County Warrior River River

9721753 Wateree Station Wateree River River

4672489 Shawville West Branch Susquehanna

River River

3715694 Harrison Power Station West Fork River River 17001804 San Juan Generating Station Westwater Arroyo River 11833770 Independence Plant White River River 18472136 Frank E. Ratts Generating Station White River River

18477247 Indianapolis Power & Li ght Co. - Eagle Valley Generating Station White River River

# Attachment 2 April 19, 2013 Page 2-8

Attachment 2: COMIDs for All Plant-Receiving Waters that Receive Direct Discharges of

the Evaluated Waste Streams

COMID a 

# Plant Name Receiving Water Name Receiving Water Type b



# 7607261 Southwest Power Station Wilsons Creek River

14732378 Wisconsin Public Service - Weston Plant Wisconsin River River

13633837 Wisconsin Power and Light - Columba Energy

Center Wisconsin River River

879898 Wood River Power Station Wood River River

9223641 Buck Steam Station Yadkin River River

4343012 J.E. Corette Treatment Plant Yellowstone River River

21871785 Lewis & Clark Station Yellowstone River River

9897164 e 

# Yorktown Power Station York River River

Source: U.S. EPA, 2012c and U.S. EPA, 2012d. a – COMIDs presented for lakes represent th e stream reach flowing out of the lake. b – ERG classified the receiving waters into one of four categories: river, lake, Gr eat Lake, and estuary. Only receiving waters with a river or lake designation were modeled in the imme diate receiving water modeling analysis. The specific hydrodynamics and scale of the analysis requi red to appropriately model and quantify receiving water concentrations in the Great Lakes and estuary systems are more appropriately handled separately on a case study basis. ERG evaluated the impacts to the Great Lakes and Chesapeake Bay systems from a total mass loadings perspective in a separate qualitative analysis, discussed in the Loadings Analysis for th e Steam Electric ELGs

Environmental Assessment Memorandum (DCN SE01956). c – Multiple plants discharge to this COMID. In the mode ling analyses the loads from the two plants are combined and modeled as one plant-receiving water. d – The specific receiving water reported in Steam Electric Survey could not be identified in NHD Plus for this plant. ERG selected this COMID as a surrogate receiving wa ter to extract the receiving water characteristic data. In the EA these plant-receiving waters were modeled as two distinct receiving waters. e – This COMID was only included in the future profile analysis discussed the Flue Gas Desulfurization Future Profile Sensitivity Analysis Memorandum (DCN SE01989). f – The outfall coordinates and the receiving water name we re claimed confidential business information (CBI) in Steam Electric Survey. However, EPA wa ived the claim because the plant’s out fall coordinates and receiving water were identified in a publically available source [AES Eastern Energy LP, 2010]. g – The outfall coordinates were claimed CBI in the Stea m Electric Survey. However, EPA waived the CBI claim because the plant’s outfall coordinates were identified in a publically availa ble source [AEC Lowman Steam Plant, 2004].Attachment 3April 19, 2013Page 3-1Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d11050038 Cheswick Power Station Allegheny River 18,300 1.98 2.394742231 RRI Energy Keystone Generating Station Allegheny River 15,200 1.9 1.25902800005 Plant Scholz Apalachicola River 24,200 2.12 4.7381688 Muskogee Generating Station Arkansas River 26,600 2.64 0.46519464172 New Castle Power Plant Beaver River 2,340 1.86 1.475555198 Twin Oaks Power Bee Branch 2.92 0.832 10.910907265cTwo Elk Generating Station (FP-2) Belle Fourche River 16.7 1.1 2.9218819844 Sheldon Station Big Blue River 613 1.6 5.5923850957 TransAlta Centralia Generation, LLC Big Hanaford Creek 57.7 0.933 5.2118104316 R.D. Morrow Sr. Generating Site Black Creek 251 1.42 2.6418592136 Plant Gorgas Black Warrior Creek 3,250 1.43 1.127589977 Asbury Power Plant Blackberry Creek 6.98 0.847 5.764754836 EME Homer City Generation L.P. Blacklick Creek 336 1.85 0.433908539 Big Sandy Blaine Creek 304 1.34 3.0419451557 Cardinal Blockhouse Hollow Run 2.26 0.905 2.1512035539 Cliffside Steam Station Broad River 1,260 2.14 0.712587781 RRI Energy Inc. Portland Generating Station Brushy Meadow Creek 2.09 0.89 1.989903689 Plant McManus Burnett Creek 12 0.557 2.381920740 JM Stuart Station Buzzardroost Creek 1.4 0.846 2.919581379cColbert Cane Creek 98.3 0.793 5.699756896 Allen Steam Station Catawba River 2,660 1.45 5.285791766 Fayette Power Project Cedar Creek 4.47 0.909 10.716968628 Four Corners Steam Electric Station Chaco Wash 0.358 0.801 0.573291908 Georgia Power Company - Plant Wansley Chattahoochee River 4,320 1.51 2.063286344 Plant Jack McDonough Chattahoochee River 3,080 1.74 2.493290268 Plant Yates Chattahoochee River 4,150 1.97 4.8114787485 Will County StationChicago Sanitary andShip Canal279 1.24 6.438151995 PPL Montour Chillisquaque Creek 25.4 0.942 2.7914643309 Bull Run Clinch River 4,620 1.53 1.4614640413 Clinch River Plant Clinch River 775 1.36 3.61Attachment 3April 19, 2013Page 3-2Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d7701182 Middletown Power LLC Connecticut River 19,200 1.96 4.36782121 Mount Tom Generating Company,LLC Connecticut River 14,900 1.86 1.319454513 Mitchell Plant Conner Run 1.57 0.91 2.329643641 Williams Station Cooper River 600 1.1 2.2822273458 Plant E C Gaston Coosa River 13,500 1.88 3.1222199835 Plant Gadsden Coosa River 9,420 1.74 3.2515823211 Plant Hammond Coosa River 6,810 2.3 0.2934741469 RRI Energy Keystone Generating Station Crooked Creek 285 0.959 0.58411884778 Cumberland Cumberland River 24,100 2.1 1.498679473 Belews Creek Steam Station Dan River 621 1.44 6.588677721 Dan River Steam Station Dan River 2,010 1.35 1.9113437811bR. M. Schahfer Generating Station Davis Ditch 5.9 1.34 6.8410054602 Chesapeake Energy Center Deep Creek 70.1 0.937 2.734481763 PSEG Mercer Generating Station Delaware River 10,600 1.8 2.772588325 RRI Energy Inc. Portland Generating Station Delaware River 7,010 2.8 2.544995391 Interstate Power and Light - Ottumwa Generating Station Des Moines River 5,820 1.85 0.64714788089aJoliet Station 9 and Joliet Station 29 Des Plaines River 898 1.26 4.6510850250 River Rouge Power Plant Detroit River 2,100 1.44 5.7110850286 Trenton Channel Power Plant Detroit River 2,140 1.45 0.87210850256 Wyandotte Municipal Services-Power Plant Detroit River 2,130 1.45 3.099673662 Cross Generating Station Diversion Canal 13.8 0.645 7.1610902281cWygen 2 (FP-5) Donkey Creek 3.11 0.828 113606618 Duck Creek Power Plant Duck Creek 10.1 1.02 4.8514638941 Clinch River Plant Dumps Creek 38.8 0.973 1.576907783 Glen Lyn Plant East River 69.7 1.42 5.525567527 Sandow Steam Electric Station East Yegua Creek 31.3 0.988 1.49614169 Canadys Station Edisto River 1,820 1.38 1.34448630 Plant Crist Escambia River 6,480 1.63 1.576499098 Georgia Power Company - Plant Bowen Etowah River 2,430 2.03 5.81902770057 Plant Mitchell Flint River 5,570 2 7.8514365710 Mount Storm Power Station Four Mile Run 2.22 0.909 2.63Attachment 3April 19, 2013Page 3-3Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d12005077 Pulliam Fox River 4,840 1.37 2.0522165396 Asheville Steam Electric Plant French Broad River 1,520 2 1.9612245290 Eckert Station Grand River 363 1.07 0.7489005799 J. B. Sims Generating Station Grand River 3,610 1.44 4.323886042 Miami Fort Station Great Miami River 5,220 1.64 3.163883754 O.H. Hutchings Station Great Miami River 2,480 1.44 2.6511630665 Green River Green River 8,640 1.74 2.4911617335aR D Green and HMP&L Station Two Green River 11,400 1.84 6.155279492 Pirkey Hatley Creek 69.2 1 13.315075546 Entergy Gulf States, LLC - Roy S. Nelson Station Houston River 455 1.05 13.16212808 Danskammer Generating Station Hudson River 22,200 2.01 2.6113606886 Duck Creek Power Plant Illinois River 11,200 1.6 4.8513606204 E.D. Edwards Illinois River 10,200 1.94 4.6213608606 Havana Power Station Illinois River 11,400 1.99 2.914780202 Hennepin Power Station Illinois River 6,040 1.75 1.233601022 Pearl Station Illinois River 18,700 2.19 1.6213606224 Powerton Station Illinois River 10,200 1.94 0.04217538901 Interstate Power and Light - Sutherland Generating Station Iowa River 916 1.75 3.9311627775 Paradise Jacobs Creek 8.41 0.6 0.2118548185 Bremo Power Station James River 5,480 1.64 1.8310067405 Dominion - Chesterfield Power Station James River 7,420 1.75 1.917608001 James River Power Station James River 272 1.41 1.3619918814 Brame Energy Center Jean De Jean, Bayou 195 0.837 4.8219315420 John E. Amos Plant Kanawha River 15,600 1.99 1.366925319 Kanawha River Plant Kanawha River 11,400 1.87 4.2913437773 R. M. Schahfer Generating Station Kankakee River 1,200 1.74 2.053729559 Lawrence Energy Center Kansas River 2,610 2.1 4.3513893080 Baldwin Energy Complex Kaskaskia River 3,970 1.64 2.6713893058cPrairie State Generatng Station (FP-3) Kaskaskia River 3,770 1.62 2.081827714 William C. Dale Power Station Kentucky River 5,040 1.9 4.821978203 AES Greenidge LLC Keuka Outlet 154 1.86 1.42Attachment 3April 19, 2013Page 3-4Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d19443215 General James M. Gavin Kyger Creek 17.5 0.888 5.6219443313 OVEC - Kyger Creek Station Kyger Creek 30.7 0.72 1.715575475 Limestone Electrical Generating Station Lambs Creek 11.4 0.822 2.2818476493Indianapolis Power & Light Company - Harding StreetStationLick Creek 22.6 1.02 10.118470878Indianapolis Power & Light Company - PetersburgGenerating StationLick Creek 4.25 0.775 2.44462856Associated Electric Cooperative, Inc, Thomas Hill EnergyCenterLittle Chariton River 199 0.961 0.488099955 AES Westover, LLC Little Choconut Creek 25.4 1.05 1.7811049576 Cheswick Power Station Little Deer Creek 12.2 1.03 1.98397428 Flint Creek Power Plant Little Flint Creek 6.23 0.903 2.6219443295 OVEC - Kyger Creek Station Little Kyger Creek 5.91 0.869 4.6216883592 Manatee Little Manatee River 136 0.9 0.83316801745 Tampa Electric - Polk Power Station Little Payne Creek 12.5 0.785 6.0310147091 Marion Generating Station Little Saline Creek 13.2 0.952 2.631920666 JM Stuart Station Little Three Mile Creek 6.23 0.906 3.023787587 Hatfield's Ferry Power Station Little Whiteley Creek 9.85 1.06 3.8918567401 Plant James H Miller Jr Locust Fork 1,580 1.27 1.6422518274cBP Wilmington Calciner (FP-1) Los Angeles River 185 1.59 5.475576035 Limestone Electrical Generating Station Lynn Creek 2.56 0.842 7.4315433660 Plesants Power Station McElroys Run 1.86 0.847 4.4712162650 Valley Power Plant Menomonee River 104 0.864 0.2966742054 PSNH - Merrimack Station Merrimack River 5,200 2.12 2.3610080952 Vermilion Power StationMiddle Fork VermilionRiver380 1.51 8.3880824 AmerenUE Sioux Power Plant Mississippi River 97,400 3.14 1.8719085479 Big Cajun 2 Mississippi River 704,000 5.95 9.0614805943 Fair Station Mississippi River 49,300 2.8 0.71113208374 Genoa #3 Mississippi River 28,000 2.55 2.566966239 Interstate Power and Light - Burlington Generating Station Mississippi River 58,300 2.88 2.87Attachment 3April 19, 2013Page 3-5Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d13357548 Interstate Power and Light - Dubuque Generating Station Mississippi River 38,400 2.69 0.9713211666 Interstate Power and Light - Lansing Generating Station Mississippi River 28,800 2.39 1.112118222 John P. Madgett Mississippi River 23,200 2.48 1.3414807193 Louisa Generating Station Mississippi River 49,400 2.8 0.69314809371 M.L. Kapp Generating Station Mississippi River 40,800 2.72 2.314807223 Muscatine Power and Water Generating Station Mississippi River 49,400 2.8 8.957469410 New Madrid Power Plant Mississippi River 574,000 4.49 6.2914804489 Riverside Generating Station Mississippi River 42,700 2.73 1.13629181 Rush Island Mississippi River 177,000 3.95 2.062723115 Sherburne County Generating Plant Mississippi River 5,070 2.21 5.5313326792Wisconsin Power and Light - Nelson Dewey GeneratingStationMississippi River 37,900 2.68 0.2817244416aGeorge Neal South and George Neal North Missouri River 46,000 3.5 6.472255299 Iatan Generating Station Missouri River 61,200 3.39 1.624391297 Independence Missouri City Power Plant Missouri River 65,100 3.47 2.696010286 Labadie Power Plant Missouri River 75,000 3.55 3.712252949 Lake Road Generating Station Missouri River 61,100 3.39 13.214519595aLeland Olds Station and Great River Energy StantonStationMissouri River 43,600 3.73 2.587312385 Nebraska City Station Missouri River 59,000 2.95 3.8117219468 North Omaha Station Missouri River 47,000 4.03 10.12255479 Quindaro Power Plant Missouri River 62,000 4.73 4.264391311 Sibley Generating Station Missouri River 65,200 3.47 2.4218522283 Plant Barry Mobile River 67,000 2.56 10.69644711 Williams Station Molly Branch 0.578 0.653 1.293785889 Elrama Power Plant Monongahela River 8,520 2.25 2.223768844cFenton Wind Farm (FP-6) Monongahela River 4,320 1.59 0.463768832 Fort Martin Power Station Monongahela River 4,330 1.52 4.143788073 Hatfield's Ferry Power Station Monongahela River 7,800 1.68 3.793785919 Mitchell Power Station Monongahela River 8,510 1.72 2.148342665 Dolet Hills Power Station Mundy Bayou 11.6 0.933 10.1Attachment 3April 19, 2013Page 3-6Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d15379411 Conesville Muskingum River 4,920 2.28 6.0415383255 Muskingum River Muskingum River 7,720 1.76 2.736908685 Glen Lyn Plant New River 4,820 2.26 2.615569803 C R Huntley Generating Station Niagara River 28.3 0.691 0.50522109483 Dave Johnston Plant North Platte River 827 2.72 2.21901990011 Winyah Generating Station North Santee River 101 0.827 0.32912169257cElm Road Generating Station (FP-4) Oak Creek 11.7 0.84 6.836336760 Plant Scherer Ocmulgee River 2,360 1.38 1.3210157791 A. B. Brown Station Ohio River 147,000 3.05 0.4943406123 AEP Tanners Creek Plant Ohio River 111,000 2.89 1.933821113 Bruce Mansfield Plant Ohio River 33,900 2.28 1.3710164018 Cane Run Ohio River 124,000 2.95 1.8219453107 Cardinal Ohio River 34,600 2.29 4.0110161934 Clifty Creek Station Ohio River 123,000 2.94 5.421921988 Dayton Power & Light, Killen Station Ohio River 98,600 2.8 2.083407479 East Bend Station Ohio River 112,000 2.89 3.571922018 EKPC Spurlock Station Ohio River 98,800 2.8 4.6210110377 Elmer Smith Station Ohio River 132,000 2.99 9.8810110339 F.B. Culley Generating Station Ohio River 133,000 2.99 4.0310164012 Gallagher Generating Station Ohio River 124,000 2.95 5.719442973 General James M. Gavin Ohio River 59,200 2.51 2.663408277 Ghent Ohio River 112,000 2.89 0.7261922224 JM Stuart Station Ohio River 98,700 2.97 3.681839957 Joppa Steam Ohio River 287,000 3.49 0.60219455341 Kammer Plant Ohio River 35,700 2.31 0.39410109549 Kenneth C. Coleman Station Ohio River 131,000 2.98 9.13406069 Miami Fort Station Ohio River 106,000 2.85 0.61410164038 Mill Creek Ohio River 124,000 2.95 6.8319455355 Mitchell Plant Ohio River 35,700 2.31 2.6219442931aMountaineer Plant and Philip Sporn Ohio River 59,200 2.51 3.0119443471 OVEC - Kyger Creek Station Ohio River 59,400 2.51 3.37Attachment 3April 19, 2013Page 3-7Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d15434056 Plesants Power Station Ohio River 37,300 2.33 1.919455277 R. E. Burger Plant Ohio River 35,400 2.31 2.6910110333 Rockport Ohio River 132,000 2.99 3.8710161978 Trimble County Ohio River 123,000 2.95 4.071922898 W H Zimmer Station Ohio River 99,700 2.81 2.333821343 W. H. Sammis Plant Ohio River 34,100 3.19 2.231922872 Walter C Beckjord Station Ohio River 99,800 2.81 2.056657975 Hoot Lake Plant Otter Tail River 248 1.9 1.111767108 Laskin Energy Center Partridge River 99.9 0.846 0.23711690558 Brandon Shores Patapsco River 643 1.13 0.82111908816 Chalk Point Generating Station Patuxent River 715 1.16 2.9918758714cWhelan Energy Center Pawnee Creek 13.7 0.791 3.923786291 Mitchell Power Station Peters Creek 7.12 1.01 1.197268335 Platte Generating Station Platte River 9,910 3.74 0.73322178444 John Sevier Polly Branch 1.84 0.776 0.1121922510 Walter C Beckjord Station Pond Run 2.78 0.899 2.894507392 Dickerson Generating Station Potomac River 10,500 1.9 0.3664532873 Mirant Mid-Atlantic, LLC Potomac River 14,900 1.98 0.62622477477Interstate Power and Light - Prairie Creek GeneratingStationPrairie Creek 135 1.13 3.13124250 W. A. Parish E.G.S. Rabbs Bayou 11.7 0.804 3.0917264353 Lon D. Wright Power Plant Rawhide creek 2.62 0.674 7.329545069 Hugo Red River 9,990 2.26 3.88760540 Sikeston Power StationRichland Drainage Ditch422.5 0.803 14.78653054 Clover Power Station Roanoke River 3,000 1.49 0.9053715680 Harrison Power Station Robinson Run 6.45 0.982 6.6114523377 R.M. Heskett Station Rock Haven Creek 0.00631 0.662 4.21951449 Comanche Station Saint Charles River 26.7 1.63 6.813196020aBelle River Power Plant and St. Clair Power Plant Saint Clair River 558 1.19 13.42649706 Allen S King Generating Plant Saint Croix River 4,320 1.7 9.18Attachment 3April 19, 2013Page 3-8Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d16660003 JEA- St. Johns River Power Park Saint Johns River 8,730 1.83 2.8112254504 Michigan South Central Power Agency Saint Joseph River 1.18 96.4 4.829867726 Lee Steam Station Saluda River 824 1.67 3.6416658019 Northside Generating Station San Carlos Creek 0.624 0.475 0.76720107243 Plant Kraft Savannah River 12,100 1.92 7.724782753 Titus Generation Station Schuylkill River 1,430 2.03 6.25218205 Picway Scioto River 2,120 1.4 1.5310828642 San Miguel Electric Cooperative, Inc. Souse Creek 1.07 0.785 6.172889352 Valmont Station South Boulder Creek 0.377 0.631 1.21229757 Cherokee Station South Platte River 371 2.42 4.847591059 Riverton Power Station Spring River 1,690 1.34 0.97554396 Martin St Lucie Canal 3,840 1.7 12.216665275 Seminole Generating Station St. Johns River 7,170 1.76 4.3513437811bR. M. Schahfer Generating Station Stahlbaum Ditch 5.9 1.34 6.845160339 Chamois Power Plant Stonners Branch 11.6 0.594 0.26114365968 Mount Storm Power Station Stony River 54.1 1.41 3.9113564578 Dallman Sugar Creek 160 1.52 1.054722211 PPL Brunner Island Susquehanna River 37,500 2.29 3.648152547 PPL Montour Susquehanna River 8,900 3.14 1.914518760 Sunbury Generation LP Susquehanna River 27,500 2.15 2.879643181 Jefferies Generating Station Tailrace Canal 16.3 0.782 2.416130213 Somerset Station Taunton River 971 1.07 1.33646684 Tecumseh Energy Center Tecumseh Creek 8.44 0.892 8.719646344 Widows Creek Tennessee River 46,400 2.29 1.121642176 Charles R. LowmaneTombigbee River 28,800 2.17 3.2619443249 General James M. Gavin Turkey Run 1.71 0.826 3.654752366 EME Homer City Generation L.P. Two Lick Creek 289 1.36 4.065161861 Columbia Municipal Power PlantUnnamed tributary toBear Creek0.0302 0.659 1.364752260 EME Homer City Generation L.P.Unnamed tributary toBlacklick Creek1.5 0.818 1.33Attachment 3April 19, 2013Page 3-9Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d4754222 ConemaughUnnamed tributary toConemaugh River2.86 0.841 2.0419314054 John E. Amos PlantUnnamed tributary toLick Run1.4 0.809 1.913642738 Jeffrey Energy CenterUnnamed tributary toLost Creek0.609 0.836 0.9775052419 MeramecUnnamed tributary toMeramec River0.681 0.737 2.2619221367 Choctaw Generation, LPUnnamed tributary toMiddle Byway Creek1.22 0.744 2.53265276 Naughton Power PlantUnnamed tributary toNorth Fork Little MuddyCreek0.319 0.769 0.5541838867 Joppa SteamUnnamed Tributary toOhio River2.01 0.785 2.5615370990 ConesvilleUnnamed tributary toWills Creek3.29 0.824 1.477310823 Walter Scott Jr. Energy Center Upper Pony Creek 4.31 0.73 6.69840092 Dunkirk Generating Plant Van Buren Bay Creek 2.5 0.805 3.28833360 Northeastern Power Station Verdigris River 2,360 2.99 2.5110209979 Cayuga Wabash River 9,190 1.85 9.510283906 Wabash River Generating Station Wabash River 11,400 2.93 2.689071958 Grainger Generating StationWaccamaw River 1,580 1.31 2.7911690522 Brandon ShoresWagner Plant DischargeCanal2.11 0.526 2.199644721 Williams Station Wappoola Swamp 1.87 0.527 3.392178615 Plant Lansing Smith Warren Bayou 1.75 0.561 1.418211194 Plant Greene County Warrior River 9,400 1.76 4.379721753 Wateree Station Wateree River 5,990 2.23 3.064672489 ShawvilleWest BranchSusquehanna River1,410 1.42 1.2Attachment 3April 19, 2013Page 3-10Attachment 3: Receiving Water Characteristic Input Values for Rivers in the Water Quality ModelCOMIDPlant NameReceiving Water NameAverage AnnualDischarge Flow(Qriver)(cfs)dAverageAnnualVelocity (v)(fps)dStreamLength(Len)(km)d3715694 Harrison Power Station West Fork River 1,020 1.21 2.9917001804 San Juan Generating Station Westwater Arroyo 1.37 0.993 1.0518472136 Frank E. Ratts Generating Station White River 12,000 1.91 2.7211833770 Independence Plant White River 10,500 1.89 0.74518477247Indianapolis Power & LightCo. - Eagle Valley GeneratingStationWhite River 2,450 2.22 3.477607261 Southwest Power Station Wilsons Creek 53.9 1.17 0.82913633837 Wisconsin Power and Light - Columba Energy Center Wisconsin River 6,320 1.79 0.47714732378 Wisconsin Public Service - Weston Plant Wisconsin River 3,300 1.55 3.67879898 Wood River Power Station Wood River 76.2 0.978 1.339223641 Buck Steam Station Yadkin River 3,910 1.54 1.954343012 J.E. Corette Treatment Plant Yellowstone River 2,810 2.85 0.39221871785 Lewis & Clark Station Yellowstone River 22,400 3.54 4.929897164cYorktown Power Station York River 2,660 1.45 5.3Source: U.S. EPA, 2012c and U.S. EPA, 2012d.a – Multiple plants discharge to this COMID. In the modeling analyses the loads from the two plants are combined and modeled asone plant-receiving water.b – The specific receiving water reported inSteam Electric Survey could not be identified in NHD Plus for this plant. ERG selected this COMID as a surrogatereceiving water to extract the receiving water characteristic data. In the EA these plant-receiving waterswere modeled as twodistinct receiving waters.c – This COMID was only included in the future profile analysis discussed theFlue Gas Desulfurization Future Profile Sensitivity Analysis Memorandum(DCNSE01989).d – For presentation purposes values presented are rounded to three significant figures.e – The outfall coordinates were claimed CBIin the Steam Electric Survey. However, EPA waived the CBI claim because the plant’s outfall coordinates wereidentified in a publically available source [AEC Lowman Steam Plant, 2004].Attachment 4April 19, 2013Page 4-1Attachment 4. Information Sources Used to Identify Lake Surface Area and Depth Input ValuesTable 4-1. Lake Surface Area Data SourceCOMIDaLake NameLake Surface Area Data Source5577643Gibbons CreekReservoirTexas Parks and Wildlife Department. “Gibbons Creek Reservoir.”http://www.tpwd.state.tx.us/fishboat/fish/recreational/lakes/gibbons_creek/6336412 Lake Juliette Georgia Power. “Lake Juliette: About Lake Juliette.” http://www.georgiapower.com/lakes/Juliette.asp9017837 Pigeon Lake United States Department of the Interior. State of Michigan. Port Sheldon Quadrangle Topographic Map. 197220972936 Sooner Reservoir Angler Guide Oklahoma. “Sooner Reservoir.” http://www.anglerguide.com/oklahoma/index.cfm?TR_ID=895397492 SWEPCO Lake Net4u. “Swepco Lake – Arkansas.” www.net4u.com/net4umap.asp?lid=174958Source: U.S. EPA, 2013.a – COMIDs presented for lakes represent the stream reach flowing out of the lake.Table 4-2. Lake Depth Data SourceCOMIDaLake NameDepthValueTypeSource for Lake Depth18082798 Big Lake AverageEleuterius, Charles K. and G. Alan Criss. “Biloxi Bay Hydrology and Selected Chemistry.”August 1994. http://www.gomr.boemre.gov/PI/PDFImages/ESPIS/3/3716.pdf18094761 Black Creek Cooling Pond AverageMallon, Michael A. “The plankton community of an acid backwater South Carolina power plantimpoundment.”Hydrobiologia. Vol. 112, No. 3, pp. 167-177. 1984.10840538 Calaveras Lake MaximumTexas parks and Wildlife Department “Calaveras Lake.”http://www.tpwd.state.tx.us/fishboat/fish/recreational/lakes/calaveras/21979641 Cayuga LakebAverage Wikipedia. “Cayuga Lake.” http://en.wikipedia.org/wiki/Cayuga_Lake13881754 Coffeen Lake AverageIllinois Department of Natural Resources. “Coffeen Lake – State Fish and Wildlife Area.”http://dnr.state.il.us/lands/landmgt/parks/r4/coffeen.htm1638881 Caleto Creek Cooling pond MaximumTexas Parks and Wildlife Department. “Coleto Creek Reservoir.”http://www.tpwd.state.tx.us/fishboat/fish/recreational/lakes/coleto_creek/5577643 Gibbons Creek Reservoir MaximumTexas Parks and Wildlife Department. “Gibbons Creek Reservoir.”http://www.tpwd.state.tx.us/fishboat/fish/recreational/lakes/gibbons_creek/Attachment 4April 19, 2013Page 4-2Table 4-2. Lake Depth Data SourceCOMIDaLake NameDepthValueTypeSource for Lake Depth1827174 Herrington Lake AverageHerrington Lake Conservation League. “Herrington Lake History.”http://www.hlcl.org/joomla15/index.php?option=com_content&view=article&id=47&Itemid=548696233 Hyco Lake MaximumLakehouse 411. “Hyco Lake, NC.” http://www.lakehouse411.com/lake-houses/category/4828/Hyco-Lake.html22326519 Jay Gould Lake MaximumMinnesota Department of Natural Resources. “Lake Information Report: Jay Gould.”http://www.dnr.state.mn.us/lakefind/showreport.html?downum=310565002996516 La Cygnes Lake MaximumKansas Department of Wildlife, Parks, and Tourism. “La Cygne Reservoir.”http://www.kdwp.state.ks.us/news/Fishing/Where-to-Fish-in-Kansas/Fishing-Locations-PublicWaters/Region-5/La-Cygne-Reservoir6445736 Lake Blackshear AverageLebo, Martin E. Weyerhaeuser Company. “Water Quality and Trophic State of LakeBlackshear.” November 2002.http://www.crispcountypower.com/LakeBlackshearCondition.Final.pdf6336412 Lake Juliette MaximumPersonal telephone contact with Doug Ellis ofthe Lake Jackson LandManagement Office forGeorgia Power in October 2011.9017879 Lake Macatawa Average Wikipedia. “Lake Macatawa.” http://en.wikipedia.org/wiki/Lake_Macatawa9755486 Lake Norman AverageLake Norman’s Web. “Facts About Lake Norman NC.”http://www.lakenormansweb.com/lake_norman/lake_norman_nc_facts.php1943791 Lake Sinclair Maximum Wikipedia. “Lake Sinclair.” http://en.wikipedia.org/wiki/Lake_sinclair5278988 Martin Creek Reservoir MaximumTexas Parks and Wildlife Department. “Martin Creek Lake.”http://www.tpwd.state.tx.us/fishboat/fish/recreational/lakes/martin_creek/8693517 Mayo Reservoir AverageMallin, Michael A., Karen L. Stone, and M.Anne Pamperi. “Phytoplankton communityassessments of seven southeast U.S. cooling reservoirs.”Water Research. Vol. 28, Issue 3, Pgs665-673. March 1994.2333759 Montrose Lake AveragePersonal telephone contact with Tom Sisson of the Missouri Conservation Council in October2011.16968628 Morgan Lake MaximumLusk, Joel D., Eric Rich, and R. Sky Bristol. U.S. Fish and Wildlife Service. “Methylmercuryand other Environmental Contaminants in Water and Fish Collection from Four RecreationalFishing Lakes on the Navajo Nation, 2004.” July 2005.http://www.fws.gov/southwest/es/NewMexico/documents/Final_NNLFWQI_Report.pdf14365968 Mount Storm Lake Maximum Lake Diver. “Mt. Storm Lake(Vepco Lake).” http://www.lakediver.com/mt.-storm-lake.html9755532 Mountain Island Lake MaximumNorth Carolina Fishing Online. “Mountain Island Lake.”http://www.northcarolinafishingonline.com/mountain_island_lake_fishing.htmlAttachment 4April 19, 2013Page 4-3Table 4-2. Lake Depth Data SourceCOMIDaLake NameDepthValueTypeSource for Lake Depth12135490 Muskegon Lake MaximumMichigan Fishing Online. “Muskegon County MI Fishing: Muskegon Lake.”http://www.michiganfishingonline.com/muskegon_county_mi_fishing.html14519135 Nelson Lake AverageNorth Dakota Game and Fish Department. Nelson Lake Contour Maps.http://gf.nd.gov/gnfapps/maps/lakecontours/nelson2.pdf10433546 Newton Lake Maximum Lake-Link. “Newton Lake Details.” http://oh.lake-link.com/lakes/lake.cfm?LakeID=180389017837 Pigeon Lake MaximumJude, David J. University of Michigan. Great Lakes Research Division. “Adult, juvenile andlarval fish in the vicinity of the J.H. Campbell Power Plant, eastern Lake Michigan.” November1979. http://quod.lib.umich.edu/g/glrr/4739062.0001.001?rgn=main;view=fulltext880570 Poeling Lake Average Calculated value based on the average depth of all lakes included in the water quality model.13565470 Sangchris Lake MaximumFishing Notes. “Sangchris Lake General Information.”http://www.fishingnotes.com/lakeinfo.php?id=850721979923 Seneca Lake Average Wikipedia. “Seneca Lake (New York).” http://en.wikipedia.org/wiki/Seneca_Lake_(New_York)3124210 Smithers Lake AverageBreeding, Seth D. Texas State Historical Association. “Smithers Lake,”Handbook of TexasOnline.http://www.tshaonline.org/handbook/online/articles/ros1220972936 Sooner Reservoir AverageAngler Guide Oklahoma. “Sooner Reservoir.”http://www.anglerguide.com/oklahoma/index.cfm?TR_ID=895397492 SWEPCO Lake Maximum Net4u. “Swepco Lake – Arkansas.” www.net4u.com/net4umap.asp?lid=17495810286056 Turtle Creek Reservoir AverageKruger, Sean et al. “Jones Lake and TurtleCreek Watershed Assessment and TMDL.” 22 May2002. http://denr.sd.gov/dfta/wp/tmdl/tmdl_jonesall.pdf5575723 Twin Oak Reservoir AverageTexas State Historical Association. “Twin Oaks Reservoir,”Handbook ofTexas Online.http://www.tshaonline.org/handbook/online/articles/rotdz22134501 Watts Bar Reservoir AverageDelVecchio, Rachel and Robert Unsworth. Industrial Economics, Inc. “Oak Ridge ReservationNatural Resource Damage Assessment: Evaluation of Contaminant-Related Losses in Watts BarReservoir and Gains from the Black Oak Ridge Conservation Easement.” September 2008.http://restoration.doi.gov/Case_Docs/Assessment_Documents/TN_Oak_Ridge_AR_08.pdf1009152 Welsh Reservoir MaximumTexas Parks and Wildlife Department. “Lake Welsh.”http://www.tpwd.state.tx.us/fishboat/fish/recreational/lakes/welsh/Source: U.S. EPA, 2013.a – COMIDs presented for lakes represent the stream reach flowing out of the lake.b – The outfall coordinates and the receiving water name were claimed CBI in Steam Electric Survey. However, EPA waived the claim because the plant’soutfall coordinates and receiving water wereidentified in a publically available source [AES Eastern Energy LP, 2010].Attachment 5April 19, 2013Page 5-1Attachment 5: Receiving Water Characteristic Input Values for Lakes in the Water Quality ModelCOMIDaPlant NameReceiving WaterNameAverageAnnualDischarge Flow(Qlake) (cfs)bSurface Area(Area) (m2)bLake Depth(dz,lake) (m)18082798(22759400)Jack Watson Big Lake 1,100 4,280,000 1.3118094761(18093607)Victor J Daniel JrBlack CreekCooling Pond16.9 2,720,000 5.510840538(10840320)J. K. Spruce Power Plant Calaveras Lake 13.7 12,900,000 13.721979641(22026844)AES Cayuga LLCcCayuga Lake 1,310 163,000,000 5513881754(13880970)AER- Coffeen Power Station Coffeen Lake 15.4 3,500,000 5.791638881(1637751)Coleto Creek Power, L.P.Coleto CreekCooling Pond127 11,300,000 145577643 Gibbons Creek Steam Electric StationGibbons CreekReservoir54.4 11,200,000 101827174(1826754)E.W. Brown Herrington Lake 606 10,800,000 23.88696233(8888458)Roxboro Steam Plant Hyco Lake 199 13,600,000 9.1422326519(22326037)Boswell Energy Center Jay Gould Lake 1,150 5,450,000 10.12996516(2995458)LaCygne Generating Station La Cygnes Lake 53.1 9,450,000 12.26445736(6444370)Plant Crisp Lake Blackshear 3,870 19,700,000 3.26336412 Plant Scherer Lake Juliette 44.1 14,600,000 22.99017879(9017287)James De Young Generating Station Lake Macatawa 156 7,280,000 39755486(9750664)Marshall Steam Station Lake Norman 2,390 58,000,000 10.21943791(1054153)Plant Harllee Branch Lake Sinclair 3,190 48,400,000 27Attachment 5April 19, 2013Page 5-2Attachment 5: Receiving Water Characteristic Input Values for Lakes in the Water Quality ModelCOMIDaPlant NameReceiving WaterNameAverageAnnualDischarge Flow(Qlake) (cfs)bSurface Area(Area) (m2)bLake Depth(dz,lake) (m)5278988(5278224)Martin Lake Steam Electric StationMartin CreekReservoir195 21,500,000 10.78693517(8692815)Mayo Electric Generating Plant Mayo Reservoir 53.8 6,570,000 102333759(2332715)Montrose Generating Station Montrose Lake 129 6,510,000 1.5216968628(16967416)Four Corners Steam Electric Station Morgan Lake 0.358 4,980,000 30.514365968(14364910)Mount Storm Power Station Mount Storm Lake 54.1 4,640,000 409755532(9755308)Riverbend Steam StationMountain IslandLake2,450 8,080,000 17.712135490(12135318)B C Cobb Power Plant Muskegon Lake 1,810 3,290,000 23.814519135(14519435)Milton R Young Station Nelson Lake 15.6 2,140,000 4.7510433546(10432678)Newton Newton Lake 44.8 6,850,000 12.29017837 JH Campbell Power Plant Pigeon Lake 76.7 372,000 7.5880570(878866)AmerenUE Sioux Power Plant Poeling Lake 12.9 36,400 16.313565470(13564442)Kindcaid Generation, LLC Sangchris Lake 48.1 6,590,000 44.221979923(22026954)AES Greenidge LLC Seneca Lake 544 148,000,000 893124210(3123820)W. A. Parish E.G.S. Smithers Lake 11.2 8,150,000 2.5620972936 Sooner Power Plant Sooner Reservoir 10.6 21,900,000 8.53397492 Flint Creek Power Plant SWEPCO Lake 10.3 2,150,000 7.6210286056(10285182)Merom Generating StationTurtle CreekReservoir29.7 6,050,000 2.3Attachment 5April 19, 2013Page 5-3Attachment 5: Receiving Water Characteristic Input Values for Lakes in the Water Quality ModelCOMIDaPlant NameReceiving WaterNameAverageAnnualDischarge Flow(Qlake) (cfs)bSurface Area(Area) (m2)bLake Depth(dz,lake) (m)5575723(5575239)Oak Grove Steam Electric StationTwin OakReservoir29.2 915,000 6.3222134501(22133545)KingstonWatts BarReservoir34,000 142,000,000 21.31009152(1008892)Welsh Welsh Reservoir 25 675,000 15.2Source: U.S. EPA, 2012c and U.S. EPA, 2012d.a – COMIDs presented for lakes represent the stream reach flowingout of the lake. This is the COMID used to extract the average annual discharge flow fromthe lake (Qlake). The COMID in parentheses is the COMID for the lake polygon represented in NHD Plus used to extract the surface area for the lake (Area).b – For presentation purposes values presented are rounded to three significant figures.c – The outfall coordinates and the receiving water name were claimed CBI in Steam Electric Survey. However, EPA waived the claim because the plant’soutfall coordinates and receiving water wereidentified in a publically available source [AES Eastern Energy LP, 2010].Attachment 6April 19, 2013Page 6-1Attachment 6: Cooling Water Flow Input ValuesCOMIDaPlant NameReceiving Water NameAverage AnnualCooling Water Flow(Qcool) (m3/day)e18082798 Jack Watson Big Lake[CBI has been removedfrom this document.]6445736 Plant Crisp Lake Blackshear8693517 Mayo Electric Generating Plant Mayo Reservoir16968628 Four Corners Steam Electric Station Morgan Lake5575723 Oak Grove Steam Electric Station Twin Oak Reservoir5555198 Twin Oaks Power Bee Branch18819844 Sheldon Station Big Blue River23850957 TransAlta Centralia Generation, LLC Big Hanaford Creek18104316 R.D. Morrow Sr. Generating Site Black Creek7589977 Asbury Power Plant Blackberry Creek19581379bColbert Cane Creek9756896 Allen Steam Station Catawba River16968628 Four Corners SteamElectric Station Chaco Wash9643641 Williams Station Cooper River13437811cR. M. Schahfer Generating Station Davis Ditch10054602 Chesapeake Energy Center Deep Creek9673662 Cross Generating Station Diversion Canal902770057 Plant Mitchell Flint River19918814 Brame Energy Center Jean De Jean, Bayou18476493 Indianapolis Power & Light Company - Harding Street Station Lick Creek18470878 Indianapolis Power & Light Company - Petersburg Generating Station Lick Creek8099955 AES Westover, LLC Little Choconut Creek16801745 Tampa Electric - Polk Power Station Little Payne Creek1920666 JM Stuart Station Little Three Mile Creek18567401 Plant James H Miller Jr Locust Fork5576035 Limestone Electrical Generating Station Lynn Creek12162650 Valley Power Plant Menomonee River3785919 Mitchell Power Station Monongahela River6657975 Hoot Lake Plant Otter Tail River1767108 Laskin Energy Center Partridge River22178444 John Sevier Polly Branch17264353 Lon D. Wright Power Plant Rawhide creekAttachment 6April 19, 2013Page 6-2Attachment 6: Cooling Water Flow Input ValuesCOMIDaPlant NameReceiving Water NameAverage AnnualCooling Water Flow(Qcool) (m3/day)e760540 Sikeston Power Station Richland Drainage Ditch 4[CBI has been removedfrom this document.]10828642 San Miguel Electric Cooperative, Inc. Souse Creek2889352 Valmont Station South Boulder Creek14365968 Mount Storm Power Station Stony River3642738 Jeffrey Energy Center Unnamed tributary to Lost Creek7310823 Walter Scott Jr. Energy Center Upper Pony Creek2178615 Plant Lansing Smith Warren Bayou17001804 San Juan Generating Station Westwater ArroyoSource: U.S. EPA, 2012c; U.S. EPA, 2012d; U.S. EPA, 2012e.a – COMIDs presented for lakes represent the stream reach flowing out of the lake.b – This COMID was only included in the future profile analysis discussed theFlue Gas Desulfurization Future Profile Sensitivity Analysis Memorandum(DCNSE01989).c – The specific receiving water reported inSteam Electric Survey could not be identified in NHD Plus for this plant. ERG selected this COMID as a surrogatereceiving water to extract the receiving water characteristic data. In the EA these plant-receiving waterswere modeled as twodistinct receiving waters.d – The cooling water source water body was not provided in the 316b Survey database. Cooling water flow was added based on best professional judgment thatthe receiving water body was not the same water body as the source water body for cooling water.e – For presentation purposes values presented are rounded to three significant figures.Attachment 7April 19, 2013Page 7-1Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)18082798 Jack Watson Big Lake 3 25 7 65.1 2118094761 Victor J Daniel Jr Black Creek Cooling Pond 3 25 7 65.1 2110840538 J. K. Spruce Power Plant Calaveras Lake 12 25 9 65.1 2121979641 AES Cayuga LLC Cayuga Lake 4 25 8 45.1 1413881754 AER- Coffeen Power Station Coffeen Lake 7 25 8 50.1 151638881 Coleto Creek Power, L.P. Coleto Creek Cooling Pond 12 25 9 70.1 215577643Gibbons Creek Steam ElectricStationGibbons Creek Reservoir 12 25 8 65.1 211827174 E.W. Brown Herrington Lake 5 25 7 55.1 178696233 Roxboro Steam Plant Hyco Lake 3 25 7 55.1 2122326519 Boswell Energy Center Jay Gould Lake 7 25 9 40.1 152996516 LaCygne Generating Station La Cygnes Lake 10 25 9 55.1 136445736 Plant Crisp Lake Blackshear 3 25 6 65.1 216336412 Plant Scherer Lake Juliette 3 25 6 60.1 219017879James De Young GeneratingStationLake Macatawa 4 25 9 45.1 149755486 Marshall Steam Station Lake Norman 3 25 6 55.1 211943791 Plant Harllee Branch Lake Sinclair 3 25 6 60.1 215278988Martin Lake Steam ElectricStationMartin Creek Reservoir 12 25 7 60.1 218693517 Mayo Electric Generating Plant Mayo Reservoir 3 25 7 55.1 212333759 Montrose Generating Station Montrose Lake 10 25 9 55.1 1316968628Four Corners Steam ElectricStationMorgan Lake 14 25 7 50.1 914365968 Mount Storm Power Station Mount Storm Lake 2 25 7 45.1 169755532 Riverbend Steam Station Mountain Island Lake 3 25 6 55.1 2112135490 B C Cobb Power Plant Muskegon Lake 4 25 9 45.1 1414519135 Milton R Young Station Nelson Lake 10 25 9 40.1 1310433546 Newton Newton Lake 5 25 8 50.1 179017837 JH Campbell Power Plant Pigeon Lake 4 25 9 45.1 14880570 AmerenUE Sioux Power Plant Poeling Lake 7 25 9 50.1 15Attachment 7April 19, 2013Page 7-2Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)13565470 Kindcaid Generation, LLC Sangchris Lake 7 25 9 50.1 1521979923 AES Greenidge LLC Seneca Lake 4 25 8 45.1 143124210 W. A. Parish E.G.S. Smithers Lake 12 25 8 65.1 2120972936 Sooner Power Plant Sooner Reservoir 11 25 10 55.1 17397492 Flint Creek Power Plant SWEPCO Lake 11 25 8 55.1 1710286056 Merom Generating Station Turtle Creek Reservoir 5 25 8 50.1 175575723Oak Grove Steam ElectricStationTwin Oak Reservoir 12 25 9 65.1 2122134501 Kingston Watts Bar Reservoir 6 25 6 55.1 181009152 Welsh Welsh Reservoir 11 25 8 60.1 174742231RRI Energy KeystoneGenerating StationAllegheny River 5 25 8 45.1 1711050038 Cheswick Power Station Allegheny River 5 25 8 50.1 17902800005 Plant Scholz Apalachicola River 3 25 6 65.1 21381688 Muskogee Generating Station Arkansas River 11 200 8 60.1 1719464172 New Castle Power Plant Beaver River 5 25 8 45.1 175555198 Twin Oaks Power Bee Branch 12 79 9 65.1 2110907265dTwo Elk Generating Station(FP-2)Belle Fourche River 10 126 9 40.1 1318819844 Sheldon Station Big Blue River 10 126 10 50.1 1323850957TransAlta Centralia Generation,LLCBig Hanaford Creek 17 6 6 50.1 14.518104316R.D. Morrow Sr. GeneratingSiteBlack Creek 3 25 7 65.1 2118592136 Plant Gorgas Black Warrior Creek 3 25 6 60.1 217589977 Asbury Power Plant Blackberry Creek 11 200 9 55.1 174754836EME Homer City GenerationL.P.Blacklick Creek 5 25 8 45.1 17908539 Big Sandy Blaine Creek 5 25 6 50.1 1719451557 Cardinal Blockhouse Hollow Run 5 25 8 50.1 1712035539 Cliffside Steam Station Broad River 3 25 6 55.1 21Attachment 7April 19, 2013Page 7-3Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)2587781RRI Energy Inc. PortlandGenerating StationBrushy Meadow Creek 2 32 8 45.1 169903689 Plant McManus Burnett Creek 3 25 6 65.1 211920740 JM Stuart Station Buzzardroost Creek 5 25 7 50.1 1719581379dColbert Cane Creek 6 16 6 55.1 189756896 Allen Steam Station Catawba River 3 25 6 60.1 215791766 Fayette Power Project Cedar Creek 12 79 8 65.1 2116968628Four Corners Steam ElectricStationChaco Wash 14 158 7 50.1 93291908Georgia Power Company - PlantWansleyChattahoochee River 3 25 6 60.1 213286344 Plant Jack McDonough Chattahoochee River 3 25 7 60.1 213290268 Plant Yates Chattahoochee River 3 25 6 60.1 2114787485 Will County Station Chicago Sanitary and Ship Canal 7 63 9 45.1 158151995 PPL Montour Chillisquaque Creek 2 32 7 45.1 1614643309 Bull Run Clinch River 6 16 6 55.1 1814640413 Clinch River Plant Clinch River 6 16 6 50.1 186782121Mount Tom GeneratingCompany,LLCConnecticut River 1 8 9 45.1 14.57701182 Middletown Power LLC Connecticut River 1 8 9 45.1 14.519454513 Mitchell Plant Conner Run 5 25 8 50.1 179643641 Williams Station Cooper River 3 25 7 60.1 2115823211 Plant Hammond Coosa River 3 25 6 55.1 2122273458 Plant E C Gaston Coosa River 3 25 6 60.1 2122199835 Plant Gadsden Coosa River 3 25 6 60.1 214741469RRI Energy KeystoneGenerating StationCrooked Creek 5 25 8 45.1 1711884778 Cumberland Cumberland River 5 25 7 55.1 178677721 Dan River Steam Station Dan River 3 25 6 55.1 218679473 Belews Creek Steam Station Dan River 3 25 6 55.1 21Attachment 7April 19, 2013Page 7-4Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)13437811cR. M. Schahfer GeneratingStationDavis Ditch 7 63 9 45.1 1510054602 Chesapeake Energy Center Deep Creek 2 32 8 55.1 162588325RRI Energy Inc. PortlandGenerating StationDelaware River 2 32 8 45.1 164481763PSEG Mercer GeneratingStationDelaware River 2 32 9 50.1 164995391Interstate Power and Light -Ottumwa Generating StationDes Moines River 7 63 9 50.1 1514788089bJoliet Station 9 and Joliet Station29Des Plaines River 7 63 9 45.1 1510850256Wyandotte Municipal Services-Power PlantDetroit River 4 25 9 45.1 1410850286 Trenton Channel Power Plant Detroit River 4 25 9 45.1 1410850250 River Rouge Power Plant Detroit River 4 25 9 45.1 149673662 Cross Generating Station Diversion Canal 3 25 6 60.1 2110902281dWygen 2 (FP-5) Donkey Creek 10 126 9 40.1 1313606618 Duck Creek Power Plant Duck Creek 7 63 9 50.1 1514638941 Clinch River Plant Dumps Creek 6 16 6 50.1 186907783 Glen Lyn Plant East River 5 25 6 50.1 175567527 Sandow Steam Electric Station East Yegua Creek 12 79 8 65.1 219614169 Canadys Station Edisto River 3 25 6 60.1 21448630 Plant Crist Escambia River 3 25 7 65.1 216499098Georgia Power Company - PlantBowenEtowah River 3 25 6 55.1 21902770057 Plant Mitchell Flint River 3 25 6 65.1 2114365710 Mount Storm Power Station Four Mile Run 2 32 7 45.1 1612005077 Pulliam Fox River 4 25 9 40.1 1422165396 Asheville Steam Electric Plant French Broad River 6 16 6 50.1 1812245290 Eckert Station Grand River 4 25 9 45.1 149005799 J. B. Sims Generating Station Grand River 4 25 9 45.1 14Attachment 7April 19, 2013Page 7-5Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)3883754 O.H. Hutchings Station Great Miami River 5 25 8 50.1 173886042 Miami Fort Station Great Miami River 5 25 8 50.1 1711617335bR D Green and HMP&L StationTwoGreen River 5 25 7 55.1 1711630665 Green River Green River 5 25 7 55.1 175279492 Pirkey Hatley Creek 12 79 7 60.1 2115075546Entergy Gulf States, LLC - RoyS. Nelson StationHouston River 8 158 8 65.1 206212808 Danskammer Generating Station Hudson River 2 32 9 45.1 163601022 Pearl Station Illinois River 7 63 9 50.1 1514780202 Hennepin Power Station Illinois River 7 63 9 45.1 1513606886 Duck Creek Power Plant Illinois River 7 63 9 50.1 1513606204 E.D. Edwards Illinois River 7 63 9 50.1 1513608606 Havana Power Station Illinois River 7 63 9 50.1 1513606224 Powerton Station Illinois River 7 63 9 50.1 1517538901Interstate Power and Light -Sutherland Generating StationIowa River 7 63 9 45.1 1511627775 Paradise Jacobs Creek 5 25 7 55.1 177608001 James River Power Station James River 11 200 8 55.1 178548185 Bremo Power Station James River 2 32 7 55.1 1610067405Dominion - Chesterfield PowerStationJames River 2 32 7 55.1 1619918814 Brame Energy Center Jean De Jean, Bayou 11 200 7 65.1 1719315420 John E. Amos Plant Kanawha River 5 25 6 50.1 176925319 Kanawha River Plant Kanawha River 5 25 6 50.1 1713437773R. M. Schahfer GeneratingStationKankakee River 7 63 9 45.1 153729559 Lawrence Energy Center Kansas River 10 126 9 55.1 1313893080 Baldwin Energy Complex Kaskaskia River 7 63 8 55.1 1513893058dPrairie State Generatng Station(FP-3)Kaskaskia River 7 63 8 55.1 15Attachment 7April 19, 2013Page 7-6Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)1827714 William C. Dale Power Station Kentucky River 5 25 7 50.1 1721978203 AES Greenidge LLC Keuka Outlet 4 25 8 45.1 1419443313 OVEC - Kyger Creek Station Kyger Creek 5 25 7 50.1 1719443215 General James M. Gavin Kyger Creek 5 25 7 50.1 175575475Limestone Electrical GeneratingStationLambs Creek 12 79 9 65.1 2118476493Indianapolis Power & LightCompany - Harding StreetStationLick Creek 5 25 8 50.1 1718470878Indianapolis Power & LightCompany - PetersburgGenerating StationLick Creek 5 25 8 50.1 174462856Associated Electric Cooperative,Inc, Thomas Hill Energy CenterLittle Chariton River 10 126 9 50.1 138099955 AES Westover, LLC Little Choconut Creek 2 32 8 45.1 1611049576 Cheswick Power Station Little Deer Creek 5 25 8 50.1 17397428 Flint Creek Power Plant Little Flint Creek 11 200 8 55.1 1719443295 OVEC - Kyger Creek Station Little Kyger Creek 5 25 7 50.1 1716883592 Manatee Little Manatee River 3 25 7 70.1 2116801745Tampa Electric - Polk PowerStationLittle Payne Creek 3 25 7 70.1 2110147091 Marion Generating Station Little Saline Creek 5 25 8 55.1 171920666 JM Stuart Station Little Three Mile Creek 5 25 7 50.1 173787587 Hatfield's Ferry Power Station Little Whiteley Creek 5 25 8 50.1 1718567401 Plant James H Miller Jr Locust Fork 3 25 6 60.1 2122518274dBP Wilmington Calciner (FP-1) Los Angeles River 18 63 6 60.1 155576035Limestone Electrical GeneratingStationLynn Creek 12 79 9 65.1 2115433660 Plesants Power Station McElroys Run 5 25 7 50.1 1712162650 Valley Power Plant Menomonee River 4 25 9 45.1 146742054 PSNH - Merrimack Station Merrimack River 1 8 9 45.1 14.5Attachment 7April 19, 2013Page 7-7Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)10080952 Vermilion Power Station Middle Fork Vermilion River 5 25 8 50.1 176966239Interstate Power and Light -Burlington Generating StationMississippi River 7 63 9 50.1 1514804489 Riverside Generating Station Mississippi River 7 63 9 45.1 153629181 Rush Island Mississippi River 7 63 8 50.1 1513357548Interstate Power and Light -Dubuque Generating StationMississippi River 7 63 9 45.1 1514805943 Fair Station Mississippi River 7 63 9 50.1 1513211666Interstate Power and Light -Lansing Generating StationMississippi River 7 63 9 45.1 1519085479 Big Cajun 2 Mississippi River 8 158 7 65.1 2013326792Wisconsin Power and Light -Nelson Dewey GeneratingStationMississippi River 7 63 9 45.1 1514807223Muscatine Power and WaterGenerating StationMississippi River 7 63 9 50.1 157469410 New Madrid Power Plant Mississippi River 8 158 7 55.1 2014809371 M.L. Kapp Generating Station Mississippi River 7 63 9 50.1 1514807193 Louisa Generating Station Mississippi River 7 63 9 50.1 1513208374 Genoa #3 Mississippi River 7 63 9 45.1 15880824 AmerenUE Sioux Power Plant Mississippi River 7 63 9 50.1 152723115Sherburne County GeneratingPlantMississippi River 7 63 9 40.1 152118222 John P. Madgett Mississippi River 7 63 9 45.1 152252949 Lake Road Generating Station Missouri River 10 126 9 50.1 132255479 Quindaro Power Plant Missouri River 10 126 9 55.1 1317244416bGeorge Neal South and GeorgeNeal NorthMissouri River 10 126 10 45.1 137312385 Nebraska City Station Missouri River 10 126 9 50.1 1314519595bLeland Olds Station and GreatRiver Energy Stanton StationMissouri River 10 126 9 40.1 13Attachment 7April 19, 2013Page 7-8Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)4391311 Sibley Generating Station Missouri River 10 126 9 50.1 136010286 Labadie Power Plant Missouri River 10 126 9 50.1 134391297Independence Missouri CityPower PlantMissouri River 10 126 9 50.1 1317219468 North Omaha Station Missouri River 10 126 9 50.1 132255299 Iatan Generating Station Missouri River 10 126 9 50.1 1318522283 Plant Barry Mobile River 3 25 7 65.1 219644711 Williams Station Molly Branch 3 25 7 60.1 213768832 Fort Martin Power Station Monongahela River 5 25 8 50.1 173785919 Mitchell Power Station Monongahela River 5 25 8 50.1 173788073 Hatfield's Ferry Power Station Monongahela River 5 25 8 50.1 173768844dFenton Wind Farm (FP-6) Monongahela River 5 25 7 50.1 173785889 Elrama Power Plant Monongahela River 5 25 8 50.1 178342665 Dolet Hills Power Station Mundy Bayou 11 200 7 60.1 1715379411 Conesville Muskingum River 5 25 8 50.1 1715383255 Muskingum River Muskingum River 5 25 7 50.1 176908685 Glen Lyn Plant New River 5 25 6 50.1 1715569803 C R Huntley Generating Station Niagara River 4 25 9 45.1 1422109483 Dave Johnston Plant North Platte River 10 126 9 45.1 13901990011 Winyah Generating Station North Santee River 3 25 7 60.1 2112169257dElm Road Generating Station(FP-4)Oak Creek 4 25 9 45.1 146336760 Plant Scherer Ocmulgee River 3 25 6 60.1 211922224 JM Stuart Station Ohio River 5 25 7 50.1 1719442931bMountaineer Plant and PhilipSpornOhio River 5 25 7 50.1 1719443471 OVEC - Kyger Creek Station Ohio River 5 25 7 50.1 1710110377 Elmer Smith Station Ohio River 5 25 7 55.1 1710110333 Rockport Ohio River 5 25 7 55.1 1710164018 Cane Run Ohio River 5 25 7 55.1 1710161978 Trimble County Ohio River 5 25 7 50.1 17Attachment 7April 19, 2013Page 7-9Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)19453107 Cardinal Ohio River 5 25 8 50.1 171839957 Joppa Steam Ohio River 5 25 8 55.1 173821343 W. H. Sammis Plant Ohio River 5 25 8 50.1 1719455341 Kammer Plant Ohio River 5 25 8 50.1 1710110339 F.B. Culley Generating Station Ohio River 5 25 7 55.1 171921988Dayton Power & Light, KillenStationOhio River 5 25 7 50.1 1710164012 Gallagher Generating Station Ohio River 5 25 7 55.1 173821113 Bruce Mansfield Plant Ohio River 5 25 8 50.1 1710157791 A. B. Brown Station Ohio River 5 25 7 55.1 171922898 W H Zimmer Station Ohio River 5 25 7 50.1 1719455277 R. E. Burger Plant Ohio River 5 25 8 50.1 1719442973 General James M. Gavin Ohio River 5 25 7 50.1 1710161934 Clifty Creek Station Ohio River 5 25 7 50.1 171922018 EKPC Spurlock Station Ohio River 5 25 7 50.1 173406123 AEP Tanners Creek Plant Ohio River 5 25 8 50.1 173408277 Ghent Ohio River 5 25 7 50.1 173407479 East Bend Station Ohio River 5 25 7 50.1 171922872 Walter C Beckjord Station Ohio River 5 25 7 50.1 1715434056 Plesants Power Station Ohio River 5 25 7 50.1 1710164038 Mill Creek Ohio River 5 25 7 55.1 173406069 Miami Fort Station Ohio River 5 25 8 50.1 1710109549 Kenneth C. Coleman Station Ohio River 5 25 7 55.1 1719455355 Mitchell Plant Ohio River 5 25 8 50.1 176657975 Hoot Lake Plant Otter Tail River 9 32 10 40.1 101767108 Laskin Energy Center Partridge River 4 25 9 32 1411690558 Brandon Shores Patapsco River 2 32 9 55.1 1611908816 Chalk Point Generating Station Patuxent River 2 32 8 55.1 1618758714dWhelan Energy Center Pawnee Creek 10 126 10 45.1 133786291 Mitchell Power Station Peters Creek 5 25 8 50.1 177268335 Platte Generating Station Platte River 10 126 10 45.1 13Attachment 7April 19, 2013Page 7-10Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)22178444 John Sevier Polly Branch 6 16 6 55.1 181922510 Walter C Beckjord Station Pond Run 5 25 7 50.1 174507392 Dickerson Generating Station Potomac River 2 32 7 50.1 164532873 Mirant Mid-Atlantic, LLC Potomac River 2 32 8 55.1 1622477477Interstate Power and Light -Prairie Creek Generating StationPrairie Creek 7 63 9 45.1 153124250 W. A. Parish E.G.S. Rabbs Bayou 12 79 8 65.1 2117264353 Lon D. Wright Power Plant Rawhide creek 10 126 9 50.1 139545069 Hugo Red River 11 200 8 60.1 17760540 Sikeston Power Station Richland Drainage Ditch 4 8 158 8 55.1 208653054 Clover Power Station Roanoke River 3 25 7 55.1 213715680 Harrison Power Station Robinson Run 5 25 7 50.1 1714523377 R.M. Heskett Station Rock Haven Creek 10 126 9 40.1 13951449 Comanche Station Saint Charles River 11 200 9 50.1 1713196020bBelle River Power Plant and St.Clair Power PlantSaint Clair River 4 25 9 45.1 142649706 Allen S King Generating Plant Saint Croix River 7 63 9 40.1 1516660003JEA- St. Johns River PowerParkSaint Johns River 3 25 7 65.1 2112254504Michigan South Central PowerAgencySaint Joseph River 4 25 8 45.1 149867726 Lee Steam Station Saluda River 3 25 6 55.1 2116658019 Northside Generating Station San Carlos Creek 3 25 7 65.1 2120107243 Plant Kraft Savannah River 3 25 6 65.1 214782753 Titus Generation Station Schuylkill River 2 32 8 50.1 165218205 Picway Scioto River 5 25 8 50.1 1710828642San Miguel ElectricCooperative, Inc.Souse Creek 12 79 9 70.1 212889352 Valmont Station South Boulder Creek 10 126 9 50.1 13229757 Cherokee Station South Platte River 10 126 8 50.1 137591059 Riverton Power Station Spring River 11 200 9 55.1 17Attachment 7April 19, 2013Page 7-11Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)54396 Martin St Lucie Canal 3 25 8 70.1 2116665275 Seminole Generating Station St. Johns River 3 25 7 65.1 2113437811cR. M. Schahfer GeneratingStationStahlbaum Ditch 7 63 9 45.1 155160339 Chamois Power Plant Stonners Branch 10 126 9 50.1 1314365968 Mount Storm Power Station Stony River 2 32 7 45.1 1613564578 Dallman Sugar Creek 7 63 9 50.1 154518760 Sunbury Generation LP Susquehanna River 2 32 7 45.1 164722211 PPL Brunner Island Susquehanna River 2 32 7 50.1 168152547 PPL Montour Susquehanna River 2 32 7 45.1 169643181 Jefferies Generating Station Tailrace Canal 3 25 7 60.1 216130213 Somerset Station Taunton River 1 8 9 50.1 14.53646684 Tecumseh Energy Center Tecumseh Creek 10 126 9 50.1 1319646344 Widows Creek Tennessee River 6 16 6 55.1 1821642176 Charles R. LowmaneTombigbee River 3 25 6 60.1 2119443249 General James M. Gavin Turkey Run 5 25 7 50.1 174752366EME Homer City GenerationL.P.Two Lick Creek 5 25 8 45.1 175161861Columbia Municipal PowerPlantUnnamed tributary to Bear Creek 10 126 9 50.1 134752260EME Homer City GenerationL.P.Unnamed tributary to BlacklickCreek5 25 8 45.1 174754222 ConemaughUnnamed tributary toConemaugh River5 25 8 45.1 1719314054 John E. Amos Plant Unnamed tributary to Lick Run 5 25 6 50.1 173642738 Jeffrey Energy Center Unnamed tributary to Lost Creek 10 126 9 50.1 135052419 MeramecUnnamed tributary to MeramecRiver7 63 8 50.1 1519221367 Choctaw Generation, LPUnnamed tributary to MiddleByway Creek8 158 6 60.1 20Attachment 7April 19, 2013Page 7-12Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)3265276 Naughton Power PlantUnnamed tributary to North ForkLittle Muddy Creek14 158 8 32 91838867 Joppa SteamUnnamed Tributary to OhioRiver5 25 8 55.1 1715370990 ConesvilleUnnamed tributary to WillsCreek5 25 8 50.1 177310823 Walter Scott Jr. Energy Center Upper Pony Creek 10 126 9 45.1 139840092 Dunkirk Generating Plant Van Buren Bay Creek 4 25 9 45.1 14833360 Northeastern Power Station Verdigris River 11 200 9 55.1 1710283906Wabash River GeneratingStationWabash River 5 25 8 50.1 1710209979 Cayuga Wabash River 5 25 8 50.1 179071958 Grainger Generating StationWaccamaw River 3 25 7 60.1 2111690522 Brandon Shores Wagner Plant Discharge Canal 2 32 8 55.1 169644721 Williams Station Wappoola Swamp 3 25 7 60.1 212178615 Plant Lansing Smith Warren Bayou 3 25 6 65.1 2118211194 Plant Greene County Warrior River 3 25 6 60.1 219721753 Wateree Station Wateree River 3 25 6 60.1 214672489 Shawville West Branch Susquehanna River 2 32 8 45.1 163715694 Harrison Power Station West Fork River 5 25 7 50.1 1717001804 San Juan Generating Station Westwater Arroyo 14 158 7 50.1 911833770 Independence Plant White River 11 200 7 55.1 1718472136Frank E. Ratts GeneratingStationWhite River 5 25 8 50.1 1718477247Indianapolis Power & Light Co.- Eagle Valley GeneratingStationWhite River 5 25 8 50.1 177607261 Southwest Power Station Wilsons Creek 11 200 8 55.1 1713633837Wisconsin Power and Light -Columba Energy CenterWisconsin River 7 63 9 40.1 15Attachment 7April 19, 2013Page 7-13Attachment 7: Regional AssumptionInput Values for Rivers and LakesCOMIDaPlant NameReceiving Water NameHydrologicRegionTotalSuspendedSolids(mg/L)WindVelocity(W10)(mph)AirTemperature(Ta) (°F)Waterbody(Tw) (°C)14732378Wisconsin Public Service -Weston PlantWisconsin River 7 63 9 40.1 15879898 Wood River Power Station Wood River 7 63 9 50.1 159223641 Buck Steam Station Yadkin River 3 25 6 55.1 2121871785 Lewis & Clark Station Yellowstone River 10 126 9 40.1 134343012 J.E. Corette Treatment Plant Yellowstone River 10 126 9 45.1 139897164dYorktown Power Station York River 2 32 8 55.1 16Source: U.S. EPA, 2012c; U.S. EPA, 2012d; NCDC, 2011.a – COMIDs presented for lakes represent the stream reach flowing out of the lake.b – Multiple plants discharge to this COMID. In the modeling analyses the loads from the two plants are combined and modeled asone plant-receiving water.c – The specific receiving water reported inSteam Electric Survey could not be identified in NHD Plus for this plant. ERG selected this COMID as a surrogatereceiving water to extract the receiving water characteristic data. In the EA these plant-receiving waterswere modeled as twodistinct receiving waters.d – This COMID was only included in the future profile analysis discussed theFlue Gas Desulfurization Future Profile Sensitivity Analysis Memorandum(DCNSE01989).e – The outfall coordinates were claimed CBIin the Steam Electric Survey. However, EPA waived the CBI claim because the plant’s outfall coordinates wereidentified in a publically available source [AEC Lowman Steam Plant, 2004].