survey2

Company Alabama Power Co Alabama Power Co Alabama Power Co Alabama Power Co Alabama Power Co Alabama Power Co Allegheny Energy Supply Co LLC Allegheny Energy Supply Co LLC Allegheny Energy Supply Co LLC Allete Inc Allete Inc Allete Inc Allete Inc Allete Inc Allete Inc



Facility Barry Power Station Gadsden Power Station Gorgas Power Station Gorgas Power Station Greene County Power Station James H. Miller Jr. Power Station Pleasants Power Station R Paul Smith Power Station R Paul Smith Power Station Clay Boswell Power Station Clay Boswell Power Station Clay Boswell Power Station Clay Boswell Power Station Clay Boswell Power Station Clay Boswell Power Station



Unit Barry Ash Pond Ash Pond (NID #1428) Gypsum Pond Ash Pond (NID #1198) Rattlesnake Dam Ash Pond Ash Pond (NID #1101) McElroy's Run Embankment Lagoon Dam #3 Lagoon Dam #4 Units 1, 2 & 4 Fly Ash and Scrubber Slurry Pond Central Wastewater Treatment Pond Bucks



City



State AL AL AL AL AL AL WV MD MD MN MN MN MN MN MN



1 Hazard Potential None Low None None None Low High Significant Significant None None None None None None



2 Year Commissioned 1965 1948 2007 1954 1964 1978 1978 early 1960's early 1960's 1973 1980 1972 1973 1979 1979



East Gadsden Parrish Parrish Demopolis Quinton Willow island Williamsport Williamsport Cohasset Cohasset



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD 1972, 1992, 1998, 2004 Yes Yes Yes Yes 1976, 1979, 1983 Yes Yes Yes Yes No 1979, 2007 1996 Yes Yes Yes Yes Yes Yes Yes No Yes No Yes Yes No Yes Yes Yes Yes Yes Yes No Yes No Yes No Yes



3 Other Residuals



4 PE Design No No No No No Yes Yes No No Yes Yes No No Yes Yes



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified No No No No No Yes Yes No No Yes Yes No No Yes Yes Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim No CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes 3/2009 No 2/2009 No 2/2009 No No No No No No 3/1/2009 2/1/2009 2/1/2009 No No No No No No No No No



7 Significant Deficiencies CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim



No Yes gypsum only Yes Yes Yes Yes Yes Yes No Yes No No No No No No No Yes No No No No other No No other No No other



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases CBI CBI Claim CBI Claim CBI Claim Claim No CBI CBI Claim CBI Claim CBI Claim Claim No CBI CBI Claim CBI Claim CBI Claim Claim No CBI CBI Claim CBI Claim CBI Claim Claim No CBI CBI Claim CBI Claim CBI Claim Claim No CBI CBI Claim CBI Claim CBI Claim Claim No No No No No No No No No No 219 7 13 645 2 1 200 645 645 3182 9 1 149 1041 1130 233 50 40 49 0 20 40 49 49 No No No No



9 Historical Releases Identified



Additional Data



Coal Pile Sump Cohasset Inactive Units 1, 2 & 3 Bottom Ash Pond Cohasset Unit 3 Fly Ash Pond Units 1 - 4 Bottom Ash Pond Cohasset Cohasset



No Apr 2008 - Overflow into Yes nearby lake No No No



(8) Height: 0 Ft (below grade)



Allete Inc Allete Inc Alliant Energy Alliant Energy Alliant Energy Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Syl Laskin Power Station Syl Laskin Power Station Columbia Power Station Columbia Power Station Columbia Power Station Columbia Power Station Interstate Power & Light Co - Burlington Generating Station Interstate Power & Light Co - Burlington Generating Station Interstate Power & Light Co - Burlington Generating Station Interstate Power & Light Co - Burlington Generating Station Interstate Power & Light Co - Burlington Generating Station Interstate Power & Light Co - Dubuque Generating Station Interstate Power & Light Co - Fox Lake Generating Station Interstate Power & Light Co - M.L. Kapp Generating Station Interstate Power & Light Co - M.L. Kapp Generating Station Interstate Power & Light Co - M.L. Kapp Generating Station Interstate Power & Light Co - M.L. Kapp Generating Station Interstate Power & Light Co - Ottuma-Midland CCR Landfill Interstate Power & Light Co - Ottuma-Midland CCR Landfill Interstate Power & Light Co - Ottumwa Generating Station Interstate Power & Light Co - Ottumwa Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station



Cell E Cells A, B, C & D (retired) Polishing Pond Landfill Storm Water Pond Secondary Ash Pond Primary Ash Pond



Aurora Aurora Pardeeville Pardeeville Pardeeville Pardeeville



MN MN WI WI WI WI



None None None None None None



2000 early 1960's 1975 1984 1975 1975



Yes Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes



Yes Yes No No No No



No No No No No No



other other other other other



Yes No Yes Yes Yes Yes



Yes No No Yes No No



No No No No No No



12/1/2000 3/2009 3/2009 3/2009 3/2009



6/1/2008



NPDES groundwater monitoring well exceedances (no structural integrity Yes issues) No No No No No



No No No No No No



23 73 1 11 16 8



99 436 0 0 51 36



28 10 0 10 23 23



No No No No No No



Lower Ash Pond



Burlington



IA



None



1971



Yes



Yes



No



No Other



Yes



Yes



No 3/4/2009



No



No



23



68



3



No



Economizer Ash Pond



Burlington



IA



None



1986



1990, 1992



Yes



Yes



No



No Other



Yes



Yes



No 3/4/2009



No



No



11



155



10



No



Ash Seal Pond



Burlington



IA



None



1968



Yes



Yes



No



No Other



Yes



Yes



No 3/4/2009



No



No



4



46



15



No



Upper Ash Pond



Burlington



IA



None



1971



Yes



Yes



No



No Other



Yes



Yes



No 3/4/2009



No



No



13



66



5



No



Main Ash Pond



Burlington



IA



None



1980



Yes



Yes



No



No Other



Yes



Yes



No 3/4/2009



No



No



17



85



5



No



Ash Channel



Dubuque



IA



None



1954



1964, 2000



No



Yes



No



No Other



Yes



Yes



No 3/12/2009



No



No



0



0



0



No



8- height below grade



Ash Pond Emergency Ash Secondary Settling Pond



Sherburn



MN



None



1950



Yes



Yes



No



No Other



No



No



No 3/20/2009



No



No



2



8



5



No



Clinton



IA



None



1965



2000



Yes



Yes



No



No Other



Yes



Yes



No 3/13/2009



No



No



0



0



10



No



Main Ash Primary Settling Pond Emergency Ash Primary Settling Pond Main Ash Secondary Settling Pond



Clinton



IA



None



1965



2000



Yes



Yes



No



No Other



Yes



Yes



No 3/13/2009



No



No



7



41



25



No



Clinton



IA



None



1965



2000



Yes



Yes



No



No Other



Yes



Yes



No 3/13/2009



No



No



1



1



2



No



Clinton



IA



None



1965



2000



Yes



Yes



No



No Other



Yes



Yes



No 3/13/2009



No



No



2



9



10



No



Monofill Leachate Retention Pond Cedar Rapids Monofill Storm Water Retention Pond



IA



None



1995



No



No



No



No Other



Yes



Yes



No 3/5/2009



No



No



0



0



10



No



Cedar Rapids



IA



None



1995



No



No



No



No Other



Yes



Yes



No 3/5/2009



No



No



2



2



17



No



Zero Liquid Discharge Pond



Ottumwa



IA



None



1981



Yes



No



No



No Other



Yes



Yes



No 3/5/2009



No



No



17



8801



25



No



Main Ash Pond



Ottumwa



IA



None



1981



Yes



Yes



No



No Other



Yes



Yes



No 3/5/2009



No



No



18



178



25



No



Coal Pile Runoff Pond



Cedar Rapids



IA



None



2009 1965 (estimated) 1965 (estimated) 1965 (estimated) 1965 (estimated) 1965 (estimated) 1965 (estimated) 1965 (estimated) 1965 (estimated)



No



No



No



No Other (Coal fines)



Yes



Yes



No 3/6/2009



No



No



1



0



4



No



Ash Pond #2



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



1



3



0



No



Final Coal Pile Runoff Pond



Cedar Rapids



IA



None



No



No



No



No Other (Coal fines)



Yes



Yes



No 3/6/2009



No



No



0



2



3



No



Ash Pond #10



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



0



1



0



No



Ash Pond #9 - Dumper Building



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



0



1



0



No



Ash Pond #8 - Plant Drains



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



0



0



0



No



Ash Pond #7



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



0



1



5



No



Ash Pond #3



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



0



3



0



No



Ash Pond #1



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



0



2



0



No



Company



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy



Alliant Energy Alliant Energy Alliant Energy



Facility Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Prairie Creek Generating Station Interstate Power & Light Co - Sixth Street Generating Station Interstate Power & Light Co - Sixth Street Generating Station Interstate Power & Light Co - Sixth Street Generating Station Interstate Power & Light Co - Sixth Street Generating Station Interstate Power & Light Co - Sutherland Generating Station Interstate Power & Light Co - Sutherland Generating Station Interstate Power & Light Co - Sutherland Generating Station Lansing Power Station Lansing Power Station WI Power & Light Co Edgewater Generating Station WI Power & Light Co Edgewater Generating Station WI Power & Light Co Edgewater Generating Station WI Power & Light Co Edgewater Generating Station WI Power & Light Co Edgewater Generating Station WI Power & Light Co Edgewater Generating Station WI Power & Light Co Nelson Dewey Generating Station WI Power & Light Co Nelson Dewey Generating Station WI Power & Light Co -Rock River Generating WI Power & Light Co -Rock River Generating WI Power & Light Co -Rock River Generating WI Power & Light Co -Rock River Generating



Unit



City



State



1 Hazard Potential



2 Year Commissioned 1965 (estimated) 1965 (estimated) 1965 (estimated) 1930's (estimate) 1930's (estimate) 1930's (estimate) 1930's (estimate)



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD



3 Other Residuals



4 PE Design



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases



9 Historical Releases Identified



Additional Data



Ash Pond #6



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



1



5



0



No



Ash Pond #5



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



1



5



0



No



Ash Pond #4



Cedar Rapids



IA



None



Yes



Yes



No



No Other



Yes



Yes



No 3/6/2009



No



No



1



3



0



No



Ash Pond 1



Cedar Rapids



IA



None



Yes



Yes



No



No Other



No



No



No 3/6/2009



No



No



0



4



15



No



Ash Pond 2



Cedar Rapids



IA



None



Yes



Yes



No



No Other



No



No



No 3/6/2009



No



No



1



0



10



No



Ash Pond 3



Cedar Rapids



IA



None



Yes



Yes



No



No Other



No



No



No 3/6/2009



No



No



4



8



10



No



Ash Pond 4



Cedar Rapids



IA



None



Yes



Yes



No



No Other



No



No



No 3/6/2009



No



No



3



13



15



No



Unit 1 & 2 Initial Settling Pond



Marshalltown



IA



None



1955



2006



Yes



Yes



Yes



No Other



No



No



No 3/19/2009



No



No



0



0



7



No



Main Ash Settling Pond



Marshalltown



IA



None



1955



2006



Yes



Yes



Yes



No Other



Yes



Yes



No 3/19/2009



No



No



6



3



7



No



Unit 3 Inititial Settling Pond Main Ash Pond Lower Ash Pond



Marshalltown Lansing Lansing



IA IA IA



None None None



1961 1975 1975



2006



Yes Yes Yes



Yes Yes Yes



Yes No No



No Other ash transport water, waste No water ash transport water, waste No water, boiler blowdown



No Yes Yes



No Yes Yes



No 3/19/2009 No 3/12/2009 No 3/12/2009 3/6/2007 3/6/2007



No No No



No No No



0 15 0



0 194 0



7 20 8



No No No (8) surface area 0.2 acres



Alliant Energy



A Ponds (Two)



Sheboygan



WI



None



1977



Yes



No



No



No Other



Yes



Yes



No 4/27/2009



No



No



4



11



19



No



Alliant Energy



B Pond



Sheboygan



WI



None



1977



Yes



No



Yes



No Other



Yes



Yes



No 4/27/2009



No



No



2



4



18



No



Alliant Energy



C Pond



Sheboygan



WI



None



1969



Yes



No



Yes



No Other



Yes



Yes



No 4/27/2009



No



No



1



1



6



No



Alliant Energy



F Pond I43 Coal Combustion landfill Contact Pond



Sheboygan



WI



None



1969



1977



Yes



No



Yes



No Other



Yes



Yes



No 4/27/2009



No



No



1



5



10



No



Alliant Energy



Sheboygan



WI



None



1985



No



No



No



No Other



Yes



Yes



No 4/27/2009



No



No



1



1



5



No



Alliant Energy



Slag Pond



Sheboygan



WI



None



1985



No



No



Yes



No Other



Yes



Yes



No 4/27/2009



No



No



2



5



18



No



Alliant Energy



WPDES Pond



Cassville



WI



None



1976



1999



Yes



No



Yes



No Other



Yes



Yes



No 3/3/2009



No



No



5



5



10



No



Alliant Energy Alliant Energy Alliant Energy Alliant Energy Alliant Energy Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren Energy Generating Co Ameren UE Ameren UE Ameren UE Ameren UE Ameren UE Ameren UE Ameren UE Ameren UE Ameren UE



Slag Pond Slag Pond Final WPDES Pond WPDES Pond 1 WPDES Pond 2



Cassville Beloit Beloit Beloit Beloit Canton Canton Bartonville Hustonville Hustonville Hustonville Hustonville



WI WI WI WI WI IL IL IL IL IL IL IL



None None None None None None None None None Low None None



1959 1978 1978 1978 1978 1976 1986 1960 1940 1986 2000 2000



1976, 1996



Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes



No No No No No Yes Yes Yes Yes No Yes Yes



Yes Yes Yes Yes Yes



No Other No Other No Other No Other No Other



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



No 3/3/2009 No 3/31/2009 No 3/31/2009 No 3/31/2009 No 3/31/2009 Yes 2009 Yes 2009 Yes 2009 Yes 2009 Yes 2009 Yes 2009 Yes 2009



No No No No No No No No No No No No



No No No No No No No No No No No No



4 3 4 2 1 58 85 89 1 14 4 2



4 3 4 2 1 1900 800 1000 3 50 10 5



10 5 10 16 16 50 45 32 15 22 17 12



No No No No No No No No No No No No 2006 - less than 500 gallons spilled from the Fly Yes Ash Pond No No No No No No No No No No No No (5) 1A - reassess stability of dike; 1B - seepage control on D/S slope



Duck Creek Power Station Ash Pond 1 Duck Creek Power Station Ash Pond 2 E. D. Edwards Power Station Ash Pond Hutsonville Power Station Hutsonville Power Station Hutsonville Power Station Hutsonville Power Station Bottom Ash Pond Ash Pond A Ash Pond B Ash Pond C



No Yes No Yes No No No No No No other, process water No No No No other



Meredosia Power Station Meredosia Power Station Newton Power Station Newton Power Station Labadie Power Station Labadie Power Station Meramec Power Station Meramec Power Station Meramec Power Station Meramec Power Station Rush Island Power Station Sioux Power Station Sioux Power Station Appalachian Power Co Clinch River Appalachian Power Co Clinch River Appalachian Power Co Glen Lyn Power Station Appalachian Power Co Glen Lyn Power Station Appalachian Power Co John E. Amos Power Station



Fly Ash Pond Bottom Ash Pond Secondary Ash Pond Primary Ash Pond Bottom Ash Pond Fly Ash Pond Retention Pond Old Fly Ash Pond Bottom Ash Pond (3) New Fly Ash Pond Ash Pond Bottom Ash Pond Fly Ash Pond



Meredosia Meredosia Newton Newton Labadie Labadie St. Louis St. Louis St. Louis St. Louis Festus West Alton West Alton



IL IL IL IL MO MO MO MO MO MO MO MO MO



None None None None None None None None None None None None None



1968 1972 1977 1977 1970 1993 1977 2000 1950's 2003 1976 1967 1994



Yes No Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes



No Yes Yes Yes Yes No Yes No Yes No Yes No No



No No No



No No No other, process water



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes 2009 Yes 2009 Yes 2009 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 2009 2009 2009 2009 2009 2009 2009 2009 2009 2009



No No No No No No No No No No No No No



No No No No No No No No No No No No No



186 34 9 400 154 79 1 18 14 14 104 47 60



650 139



24 24 29



No No other, process water No No other, process water No No No No No No other, process water No No No No No No other, process water Yes Yes other, process water No No other, process water



2000 11403 1353 260 171 190 6745 1859 676



47 30 30 25 25 25 25 35 27 22



American Electric Power American Electric Power American Electric Power American Electric Power



Bottom Ash Pond 1A/1B Bottom Ash Pond 2 Fly Ash Pond Bottom Ash Pond Glen Lyn Glen Lyn



VA VA VA VA



Low Low Low Low



1964 1964 1965 1963



1971



Yes Yes Yes No



Yes Yes No Yes



No No No No



No No No No



No No No No



No No No No



Yes 1/7/2009 No 2008



2010



3/19/2008 3/19/2008 3/18/2008 3/18/2008



No No No No



No No No No



45 0 8 5



1240 1332 185 90



55 73 43 35



No No No No



Yes 1/13/2009 2010 Yes 1/13/2009 2010



American Electric Power



Fly Ash Pond



St. Albans



WV



High



1971



Yes



No



No



No



Yes



Yes



Yes 10/1/2008 2009



2/10/2009



No



No



175



2687



223



No



Company



American Electric Power



American Electric Power



Facility Appalachian Power Co John E. Amos Power Station Appalachian Power Co Kanawha River Power Station



Unit



City



State



1 Hazard Potential



2 Year Commissioned



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD



3 Other Residuals



4 PE Design



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases



9 Historical Releases Identified



Additional Data



Bottom Ash Complex



St. Albans



WV



Significant



1971



No



Yes



No



No



Yes



Yes



Yes 9/24/2008 2010



2/10/2009



No clear emergency spillway



Yes



30



220



24



No



Bottom Ash Complex



Glasgow



WV



None



1977



No



Yes



No



No



No



No



No



No



No



6



116



0



No



American Electric Power



Appalachian Power Co Mountaineer Power Station Bottom Ash Complex Appalachian Power Co Philip Sporn Power Station Fly Ash Pond Appalachian Power Co Philip Sporn Power Station Cardinal Operating Co Cardinal Power Station Cardinal Operating Co Cardinal Power Station Columbus Southern Power Co - Conesville Power Station Columbus Southern Power Co - Picway Power Station IN MI Power Co - Rockport Power Station IN MI Power Co - Tanners Creek Power Station IN MI Power Co - Tanners Creek Power Station IN MI Power Co - Tanners Creek Power Station KY Power Co - Big Sandy Power Station KY Power Co - Big Sandy Power Station OH Power Co - Mitchell Power Plant OH Power Co - Mitchell Power Plant



New Haven



WV



Significant



1980



2006



No



Yes



No



No



Yes



Yes



Yes 2/11/2009 2011



3/11/2009



No evaluate scour on eastern dike (from 2005 inspect), slippage at western No dike



No



29



508



35



No (5) remediate erosion, slippage on western dike (5) remediate foundations at overflows, address erosion



American Electric Power



New Haven



WV



High



1973



2002



Yes



No



No



No



Yes



Yes



Yes 10/1/2008 2009



3/11/2009



Yes



60



1965



65



No



American Electric Power American Electric Power American Electric Power



Bottom Ash Pond Bottom Ash Complex Fly Ash Reservoir 2



New Haven Brilliant Brilliant



WV OH OH



Significant Significant High



1974 1973 1987



2002



No No Yes



Yes Yes No



No No No



No No No



Yes No Yes



Yes No Yes



Yes 10/1/2008 2010 Yes 11/5/2008 2010 Yes 11/5/2008 2009 10/27/200 Yes 8 2010 10/25/200 Yes 7 2010 Yes 2/12/2009 2012 No Yes 9/15/2008 2009 Yes 9/15/2008 2010 10/23/200 Yes 8 2009 10/23/200 Yes 8 2011 Yes 2/24/2009 2011 Yes 2/24/2009 2010



3/11/2009 2/20/2009 2/20/2009



No remediate erosion on eastern dike No No



Yes No No



12 32 96



256 350 11350



42 22 237



No No spill - right abutment in Yes 2004



American Electric Power



Ash Pond Complex



Conesville



OH



Significant



1972



Yes



Yes



No Yes



No



No



12/22/2008



No



No



49



865



35



No



American Electric Power American Electric Power American Electric Power American Electric Power American Electric Power American Electric Power American Electric Power American Electric Power American Electric Power



Ash Pond Bottom Ash Complex Boiler Slag Pond (U-4) Fly Ash Pond Bottom Ash Complex Fly Ash Bottom Ash Complex Bottom Ash Complex Fly Ash Pond



Lockbourne Rockport Lawrenceburg Lawrenceburg Lawrenceburg Louisa Louisa Moundsville Moundsville



OH IN IN IN IN KY KY WV WV



Significant None None High Significant High Low Significant High



1954 1981



2008



Yes No No



Yes Yes No No Yes No Yes Yes No



No No No No Yes No No No No



No No No No No No No No No coal prep plant solids



No No No Yes No Yes No No Yes



No Yes No Yes No Yes No No Yes



2/9/2009



No No No



No No No No No No No No No



23 137 20 60 63 97 5 18 71



275 1640 820 1076 1645 8302 40 262 13500



24 24 0 60 52 152 16 30 355



No No No No No No No No No (5) seepage upper dike (5) plug a brand new spillway, install drain



1972 1953 1969 1969 1975 1971



2007 1973 1992



Yes Yes Yes No No



9/14/2006 9/14/2006 6/3/2008



No No No No



2/24/2009 10/17/2008



No No



2009



Yes



American Electric Power



OH Power Co - Muskingum Unit 5 Bottom Ash Pond (Lower River Power Station Fly Ash Pond) OH Power Co - Muskingum River Power Station Unit 1-4 Boiler Slag Pond OH Power Co - Muskingum River Power Station Upper Fly Ash Pond OH Power Co - Muskingum River Power Station OH Power Co -General James M. Gavin Power Station OH Power Co -General James M. Gavin Power Station OH Power Co -Kammer Power Plant OK Public Service Co Northeastern 3 & 4 Plant OK Public Service Co Oklaunion Power Station OK Public Service Co Oklaunion Power Station OK Public Service Co Oklaunion Power Station Southwestern Electric Power Co - Flint Creek Power Station Southwestern Electric Power Co - Pirkey Power Station Southwestern Electric Power Co - Pirkey Power Station Southwestern Electric Power Co - Pirkey Power Station Southwestern Electric Power Co - Pirkey Power Station Southwestern Electric Power Co - Pirkey Power Station Southwestern Electric Power Co - Pirkey Power Station Southwestern Electric Power Co - Welsh Plant Southwestern Electric Power Co - Welsh Plant Southwestern Electric Power Co - Welsh Plant Apache Station Combustion Waste Disposal Facility Apache Station Combustion Waste Disposal Facility Apache Station Combustion Waste Disposal Facility Apache Station Combustion Waste Disposal Facility



Waterford



OH



High



1968



1975



Yes



Yes



No



No



Yes



Yes



Yes 5/30/2008 2009



11/3/2008



No



No



18



660



75



No



American Electric Power



Waterford



OH



Low



1950's



No



No



Yes



No



No



No



Yes 5/30/2008 2011



11/3/2008



No



No



8



100



25



No



American Electric Power



Waterford



OH



High



1975



2005



Yes



No



No



No



Yes



Yes



Yes 5/30/2008 2009



10/21/1999



No



No



69



5250



158



No



American Electric Power



Middle Fly Ash Pond



Waterford



OH



High



1968



Yes



No



No



No



No



No



Yes 5/30/2008 2009 10/29/200 Yes 8 2009 10/29/200 Yes 8 No No 11/1/2008 Yes Yes Yes



11/3/2008



No



No



27



1370



100



No



American Electric Power



Bottom Ash Pond



Cheshire



OH



High



1974



No



Yes



No



No



No



No



8/20/2007



No



No



85



1530



36



No



American Electric Power American Electric Power American Electric Power American Electric Power American Electric Power American Electric Power



Fly Ash Pond Boiler Slag Pond Bottom Ash Pond Sludge Pond Pond #23 Pond #6



Cheshire Moundsville



OH WV OK



High None Low Low Low Low



1974



1987



Yes No



No No Yes No Yes Yes



No No No



No No No



Yes No No Yes Yes Yes



Yes No No Yes Yes Yes



8/20/2007



No No



No No No No No No



324 2 69 23 13 1



23365 22 700 565 332 1044



144 0 8 0 0 24



No No No No No No ash removed



1980 1986 1986 1986



1981



No No Yes Yes



2/27/2009



No No No No



Vernon Vernon Vernon



TX TX TX



No Yes No No



No Yes



American Electric Power



Primary Bottom Ash Pond



Gentry



AR



Low



1978



Yes



Yes



Yes



No



Yes



Yes



Yes 3/30/2009 2012



No



No



43



484



46



No



American Electric Power



West Bottom Ash Pond



Hallsville



TX



None



1985



No



Yes



No



No



Yes



Yes



Yes 3/19/2009 2012



1/13/2009



No



No



31



188



25



No



American Electric Power



Auxilliary Surge Pond



Hallsville



TX



None



1985



No



No



No Yes



Yes



Yes



Yes 3/19/2009



No



No



4



64



16



No



American Electric Power



East Bottom Ash Pond Scrubber Sludg Landfill Runoff Pond



Hallsville



TX



None



1985



No



Yes



No



No



Yes



Yes



Yes 3/19/2009 2012



1/13/2009



No



No



31



188



4



No



American Electric Power



Hallsville



TX



None



1993



No



No



No Yes



Yes



Yes



Yes 3/19/2009 2012



No



No



13



25



19



No



American Electric Power



Secondary Bottom Ash Pond



Hallsville



TX



None



1985



No



Yes



No



No



No



No



No



1/13/2009



No



No



3



12



0



No



American Electric Power American Electric Power American Electric Power American Electric Power Arizona Electric Pwr Coop Inc Arizona Electric Pwr Coop Inc Arizona Electric Pwr Coop Inc Arizona Electric Pwr Coop Inc



Surge Pond Primary Ash Pond Active Bottom Ash Storage Secondary Ash Pond



Hallsville



TX TX TX TX



None None None None



1985 1977 2000 1977



No Yes Yes Yes



No Yes Yes Yes



No Yes No No No No No No



Yes Yes Yes Yes



Yes Yes Yes Yes



Yes 3/19/2009 2012 Yes 3/18/2009 2012 Yes 3/18/2009 2012 Yes 3/18/2009 2012



3/19/2009 1/13/2009 1/13/2009 1/13/2009



No No No No



No No No No



5 98 20 4



19 307 270 37



0 20 35 20



No No No No



Ash Pond 4



Cochise



AZ



High



1995



Yes



Yes



No Yes



Yes



Yes



Yes 12/2008



12/1/2008



No



No



693



31



No



Coal Pile Retention Basin



Cochise



AZ



None



1978



No



No



No



No coal



Yes



Yes



No



No



No



0



No



Evaporation 1



Cochise



AZ



High



1995



Yes



Yes



No Yes



Yes



Yes



Yes 12/2008



12/1/2008



No



No



823



28



No



Cooling Tower Blowdown Pond



Cochise



AZ



None



1978



Yes



No



No



No



Yes



Yes



Yes



No



No



10



No



Company Arizona Electric Pwr Coop Inc Arizona Electric Pwr Coop Inc Arizona Electric Pwr Coop Inc Arizona Electric Pwr Coop Inc Arizona Electric Pwr Coop Inc Arizona Electric Pwr Coop Inc Arizona Public Service Co Arizona Public Service Co



Facility Apache Station Combustion Waste Disposal Facility Apache Station Combustion Waste Disposal Facility Apache Station Combustion Waste Disposal Facility Apache Station Combustion Waste Disposal Facility Apache Station Combustion Waste Disposal Facility Apache Station Combustion Waste Disposal Facility Cholla Power Station Cholla Power Station



Unit



City



State



1 Hazard Potential



2 Year Commissioned



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD



3 Other Residuals



4 PE Design



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases



9 Historical Releases Identified



Additional Data



Ash Pond 1



Cochise



AZ



High



1995



Yes



Yes



No Yes



Yes



Yes



Yes 12/2008



12/1/2008



No



No



717



30



No



Low Volume Wastewater Pond



Cochise



AZ



None



2005



Yes



Yes



No Yes



Yes



Yes



Yes



No



No



20



30



6



No



Scrubber Pond 2



Cochise



AZ



High



1995



Yes



Yes



No Yes



Yes



Yes



Yes 12/2008



12/1/2008



No



No



446



15



No



(8) 0 stored in pond



Ash Pond 3



Cochise



AZ



High



1995



Yes



Yes



No Yes



Yes



Yes



Yes 12/2008



12/1/2008



No



No



720



30



No



Scrubber Pond 1



Cochise



AZ



High



1995



Yes



Yes



No Yes



Yes



Yes



Yes 12/2008



12/1/2008



No



No



314



10



No



Ash Pond 2 West Area Retention Pond Sedimentation Pond



Cochise Joseph City Joseph City



AZ AZ AZ



High None None



1995 2002 1976



Yes Yes Yes



Yes Yes Yes



No Yes Yes Yes Yes Yes other, cooling tower basin sludge, general water sump sediment, West Area Retention Pond sediment, area-wide drainage sump sediment, seepage intercept system sump Yes Yes sediment other, cooling tower basin sludge, general water sump sediment, West Area Retention Pond sediment, area-wide drainage sump sediment, seepage intercept system sump Yes Yes sediment No Yes other No Yes other No Yes other No Yes other Yes Yes No Yes Yes No No No No No



Yes Yes Yes



Yes Yes Yes



Yes 12/2008 No No



12/1/2008



No No No



No No No



720 0 0



5 11



30 0 0



No No No



Arizona Public Service Co



Cholla Power Station



Fly Ash Pond



Joseph City



AZ



High



1978



Yes



Yes



Yes



Yes



Yes 5/2008



9/1/2008



No



No



420



18000



80



No



Arizona Public Service Co Arizona Public Service Co Arizona Public Service Co Arizona Public Service Co Arizona Public Service Co Arizona Public Service Co Associated Electric Coop Inc Associated Electric Coop Inc Associated Electric Coop Inc Associated Electric Coop Inc Associated Electric Coop Inc Associated Electric Coop Inc Associated Electric Coop Inc Associated Electric Coop Inc Associated Electric Coop Inc Associated Electric Coop Inc Basin Electric Power Coop Basin Electric Power Coop Basin Electric Power Coop Basin Electric Power Coop Basin Electric Power Coop Basin Electric Power Coop Basin Electric Power Coop City of Independence City of Independence City of Independence City of Los Angeles City of Los Angeles City of Los Angeles City of Los Angeles City of Los Angeles City of Los Angeles City of Sikeston City of Sikeston City of Springfield City of Springfield Cleco Power LLC Cleco Power LLC Cleco Power LLC Cleco Power LLC Cleco Power LLC Cleco Power LLC Cleco Power LLC



Cholla Power Station Four Corners Power Station Four Corners Power Station Four Corners Power Station Four Corners Power Station Four Corners Power Station



Bottom Ash Pond Upper Retention Sump Low Volume Waste Water System Decant Cells Low Volume Waste Water Pond Lined Water Impoundment Lined Ash Impoundment



Joseph City Fruitland Fruitland Fruitland Fruitland Fruitland Marston Marston Marston Marston



AZ NM NM NM NM NM MO MO MO MO



High None None None Significant Significant None None None None



1978 1984 2004 1979 2003 2003 1994 1972 1984 1972



1991



Yes No Yes Yes No



Yes No Yes Yes No Yes No No No No



Yes No Yes No Yes Yes Yes Yes Yes Yes



Yes No Yes No Yes Yes Yes Yes Yes Yes



Yes 5/2008 No Yes No Yes 1/2009 No 1/2009 Yes 6/2009 Yes Yes Yes 6/2009 visual No inspection visual No inspection visual No inspection visual No inspection visual No inspection visual No inspection No No Yes 2008 Yes No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes No 2008



9/1/2008



No No No No



No No No No No No No No No No



80 1 1 14 45 75 78 62 4 31



2300



73 0



No No No No No No No No No No (8) Height: below grade (8) Height: below grade



4 137 284 2399 1351 1137 14 570



6 0 90 83 20 20 20 12



10/1/2007 10/1/2007



No No No No No No



2007



Yes Yes No No Yes



New Madrid Power Station Ash Pond 2 New Madrid Power Station Slag Pond 1 New Madrid Power Station Slag Pond 2 New Madrid Power Station Ash Pond 1



Thomas Hill Energy Center Ash - 2 Landfill



Thomas Hill



MO



None



1998



Yes



Yes



Yes Yes



Yes



No



No



No



44



0



No



Thomas Hill Energy Center Ash Pond Slag Dewatering



Thomas Hill



MO



None



1984



No



Yes



Yes



No



Yes



No



No



No



3



0



No



Thomas Hill Energy Center Ash Pond Cell 3 - Lowest



Thomas Hill



MO



None



1980



No



No



No



No water only polishing



Yes



No



No



No



10



22



No



Thomas Hill Energy Center Ash Pond Cell 2 - Middle



Thomas Hill



MO



None



pre 1980



Yes



Yes



Yes



No



Yes



No



No



No



12



25



No



Thomas Hill Energy Center Ash Pond Cell 1 - Upper



Thomas Hill



MO



None



pre 1980



Yes



Yes



Yes Yes



Yes



No



No



No



7



32



No



Thomas Hill Energy Center Ash -3 Landfill Spray Drier Ash Water Make-Up Antelope Valley Station Pond Antelope Valley Station Decant Pond (Temporary Pond) Laramie River Power Station Bottom Ash Pond Laramie River Power Station Emergency Holding Pond Leland Olds Power Station Settling Pond #1 Leland Olds Power Station Settling Pond #2 Leland Olds Power Station Settling Pond #3 Blue Valley Power Station South Fly Ash Pond Blue Valley Power Station North Fly Ash Pond Blue Valley Power Station Bottom Ash Pond Intermountain Power Project Ash Water Recycle Intermountain Power Project Bottom Ash Basin Intermountain Power Project Evaporation Ponds (6 Ponds) Intermountain Power Project Land Fill Run-Off Intermountain Power Project Settling Basin Intermountain Power Project Wastewater Holding Basin Sikeston Power Station Bottom Ash Pond Sikeston Power Station Fly Ash Pond Dallman Power Station Dallman Ash Pond Lakeside Dolet Hills Power Station Dolet Hills Power Station Dolet Hills Power Station Dolet Hills Power Station Dolet Hills Power Station Dolet Hills Power Station Lakeside Ash Pond Surge Pond No. 2 Surge Pond Secondary Basin Auxiliary Surge Pond Ash Basin No. 2 Ash Basin No. 1



Thomas Hill Beulah Beulah Wheatland Wheatland Stanton Stanton Stanton Independence Independence Independence Delta Delta Delta Delta Delta Delta Sikeston Sikeston Springfield Springfield Mansfield Mansfield Mansfield Mansfield Mansfield Mansfield Lena



MO ND ND WY WY ND ND ND MO MO MO UT UT UT UT UT UT MO MO IL IL LA LA LA LA LA LA LA



None



2005 1995



No No No No No No No No Yes Yes No No No No No No No No Yes Yes 1988 Yes Yes Yes No Yes No No No



No No No Yes No Yes Yes Yes No No Yes No Yes No No No No Yes No Yes Yes No No Yes No Yes Yes Yes



No No No Yes



No no CCW No No No



Yes No No Yes Yes No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes Yes Yes Yes



No No No Yes Yes No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes Yes Yes Yes



No No No 12/1/2008 12/1/2008 No No No No No No No No No No No No No No No No No No No No No No No No No



No No No No No No No No No No No No No No No No No No No No No No No No No No No No



24 28 3



0 11 6 25 20 35 19 18 19 22 13 321 3000 3225 30 145 551 891 560 27 36 23 8 7 15 12 12 20 20 21 19 40 9 30 36 29



No No No No No No No No No No No No No No No No No No No No Seepage in the North Yes Embankment No No No No No No No



Low Low None None None None None None Low Low Low None Low Low None None None Low None None None None None None None



1980 1980 late 1960's 1975 1975 1978 1989 1978 1986 1986 1986 1986 1983 1986 1981 1981 1976 pre 1958 1986 1986 1986 1986 1986 1986 1982



No Yes No No No No No No No No No No No No Yes Yes No leachate from bottom ash No



27



No Yes No No only run-off



No Yes No Yes others No Yes No No Yes Yes Yes No No No No No No No Yes Yes Yes No Yes No No



1988 1988 1988 Spring 2008 Spring 2008 Spring 2008 Spring 2008 Spring 2008 Spring 2008



12/1/1988 12/1/1988 12/1/1988 4/1/2004 Spring 2009 4/1/2004 4/1/2004 4/1/2004 4/1/2004 4/1/2004



15 17 9 27 105 180 5 14 53 54 30 34 34 5 2 6 2 31 30 36



other, sluice water other, sluice water other, sluice water other, sluice water other, sluice water other, sluice water



No 2008 No No No No No No No 3/25/2009



12/1/2007 12/1/2007 12/1/2007 12/1/2007 12/1/2007 12/1/2007 10/24/2007



18 29 75 2 501 578 641



Rodemacher Power Station Bottom Ash Pond



No Other



Company Cleco Power LLC Coleto Creek Power, LP Coleto Creek Power, LP Consumers Energy Co Consumers Energy Co Consumers Energy Co Consumers Energy Co Consumers Energy Co Consumers Energy Co Consumers Energy Co Consumers Energy Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Dayton Power & Light Co Detroit Edison Co Detroit Edison Co Dominion Dominion Dominion Dominion Dominion Dominion Dominion Dominion Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp



Facility Rodemacher Power Station Coleto Creek Power Station Coleto Creek Power Station Dan E Karn Generating Plant Dan E Karn Generating Plant J C Weadock Generating Plant J C Weadock Generating Plant J. R. Whiting Power Station J. R. Whiting Power Station J. R. Whiting Power Station J. R. Whiting Power Station J. M. Stuart Power Station J. M. Stuart Power Station J. M. Stuart Power Station J. M. Stuart Power Station J. M. Stuart Power Station J. M. Stuart Power Station Killen Station Killen Station O.H. Hutchings Station O.H. Hutchings Station O.H. Hutchings Station Monroe Power Station Fly Ash Pond



Unit Lena Fannin Fannin



City



State LA TX TX MI MI MI MI MI MI MI MI OH OH OH OH OH OH OH OH OH OH OH MI MI VA VA VA VA VA VA VA VA



1 Hazard Potential None None None None None None None None None None Low Significant None None None None None Low Low None None None None None None None None None None None None None High High High High None None None None Low Low Low High High None None None None None High None None None None None None High Significant Significant None None High



2 Year Commissioned 1982 1980 1980 1959/1961 1959/1961 1958 1955 1952 1959 1952 1979 2001 +/-1981 +/-1977 +/-1977 +/-1975 +/-1977 1982 1982 1964 1964 1964 1975 early 1970's 1978-79 1983 1950's 1964 1983 1967 1989 1968 1974 1957 1982 1957 1970 1970 1970 2008



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD Yes Yes Yes 1986 1973 No Yes Yes No 1983 1966, 1974 1983 No Yes Yes Yes Yes No Yes No No Yes Yes Yes Yes Yes Yes Yes No Yes Yes 1984 1967-68 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes No No Yes Yes Yes No No Yes Yes No No No No No No No Yes No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes No Yes No Yes Yes Yes No No No Yes Yes No Yes Yes Yes No No Yes Yes Yes Yes No Yes No Yes Yes No No No No No No No No No No No



3 Other Residuals



4 PE Design Yes Yes Yes No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes No No Yes Yes Yes Yes Yes No



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified Yes Yes Yes No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes No Yes Yes Yes No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes No No Yes Yes Yes No No No No 3/25/2009 Yes 1/2009 Yes 1/2009 No No No 2008 No 2008 No No 2/18/2005 No No Yes Yes Yes Yes Yes Yes Yes Yes No No No Yes Yes No Yes Yes Yes Yes Yes 3/17/2008 2009 2009 2009 2009 2009 2009 2/2009 2/2009 2009 2009 2009 visual daily visual daily 1/2009 10/2008 1/2009 1/2009 9/2008 1/23/2009 11/1/2008 11/1/2008 12/1/2008 12/1/2008 2/18/2009 2/18/2009 2/18/2009 2/18/2009 6/12/2008 10/24/2007 No No No No No No No No No No No No No No No No No No No No No No 01-May-09 No No No No No No No No No No 11/1/2008 2/1/2005 2/1/2005 2/1/2005 No No No No No No No No 1/13/2009 1/13/2009 1/13/2009 No No No No No 4/2009 4/2009 4/2009 3/24/2009 No No No No No 12/1/2007 No No No No No No No No mid 2009 2/9/2009 mid 2009 2/9/2009 No No No No 11/1/2004 No



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No 14 174 156 136 8 82 7 32 29 3 37 37 34 50 191 39 0 4 7 410 100 17 96 10 49 112 178 120 32 109 670 23 34 39 15 20 15 40 19 18 19 27 23 42 42 42 42 28 39 39 18 18 18 41 4 17 102 15 19 44 35 140 40 CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim No No No No No No No No No No No No No No No No No No No No No No No No No No



9 Historical Releases Identified



Additional Data



Primary Ash Pond Secondary Ash Pond Bottom Ash Pond Pond A West A - E Ponds East 7 & 8 Ponds Pond 1 Ponds 3-5 Pond 2 Pond 6 Pond #10 Pond #7A Pond #7 Pond #6 Pond #5 Pond #3A Fly Ash Pond Bottom Ash Pond Secondary Settling Pond East Primary Settling Pond West Primary Settling Pond Fly Ash Basin



Essexville Essexville Essexville Essexville Erie Erie Erie Erie Aberdeen Aberdeen Aberdeen Aberdeen Aberdeen Aberdeen Manchester Manchester Miamisburg Miamisburg Miamisburg Monroe Monroe Bremo Bluff Bremo Bluff Chesapeake Chester Chester



No other, process water No No No No No



No No No No No No polishing pond only No No No No runoff No Yes cooling tower No No No No other, plant waste water No No other, plant waste water No No No No No No No No Yes Yes No No No No



4/1/2008 4/1/2008



217 37 0 372 558 620 11004 1903 4



2/23/2009 2/23/2009



9917 310 290 4300 77 740 10240 2096 6400 600



Monroe Power Station Bottom Ash Basin Bremo Bluff Power Station West Ash Bremo Bluff Power Station North Ash Chesapeake Energy Center Bottom Ash/Sedimentation Pond Chesterfield Power Station Lower (Old) Ash Pond Chesterfield Power Station Upper (New) Ash Pond Kincaid Power Station Kincaid Slagfield Berm Possum Point Power Station Ash Pond D Possum Point Power Station Ash Pond E Belews Creek Steam Station Active Ash Pond Buck Power Station Buck Power Station Buck Power Station Cayuga Power Station Cayuga Power Station Cayuga Power Station Cayuga Power Station Cliffside Power Station Cliffside Power Station Cliffside Power Station Dan River Power Station Dan River Power Station East Bend Power Station East Bend Power Station East Bend Power Station Edwardsport Generating Station Edwardsport Generating Station G. G. Allen Power Station Primary Pond New Primary Pond Secondary Pond Secondary Ash Settling Basin Ash Disposal Area #1 Primary Ash Settling Basin



Yes No Yes No other Yes Yes Yes No holds waste water Yes No treatment waters Yes No



No Yes 2005 unusual discharge No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No



Yes 1/2009 Yes 1/2009 monthly No visual No 2/2005 No 2/2005 No 2/2005 No 1/2009 No 1/2009 No 1/2009 No 1/2009 Yes 9/2006 Yes 9/2006 Yes 9/2006 No 11/2006 No 11/2006 Yes 1/2009 Yes 1/2009 Yes 1/2009 No 1/2009 No 1/2009 No 12/2007 No Yes 10/2008 No 10/2008 No 10/2008 No No monthly Yes visual Yes 11/2008 Yes 11/2008 No 1/2009 No 1/2009 No 11/2004



Walnut Cove Spencer Spencer Spencer Cayuga Cayuga Cayuga



NC NC NC NC IN IN IN IN NC NC NC NC NC KY KY KY IN IN NC IN IN IN IN IN IN NC OH OH IN IN NC



Yes Yes other Yes Yes Yes Yes Yes Yes No Yes No Yes No Yes No No other No No other No No No other No



No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim



Lined Ash Disposal Pond - Cell #1 Cayuga Retired Unit 5 Basin Active Pond Retired Unit 1-4 Basin Primary Pond Secondary Pond Ash Pond FGD Pond East FGD Pond West Secondary Ash Pond Primary Ash Pond Active Ash Pond Mooresboro Mooresboro Mooresboro Eden Eden Rabbit Hash Rabbit Hash Rabbit Hash Edwardsport Edwardsport Belmont Owensville Owensville Owensville Owensville Owensville Owensville Terrell North Bend North Bend New Albany New Albany Mount Holly



1983



Yes No



1980 1980 1980 1980 1980 1975 1975 1973 1974 1991 1995 1999 1991 1974 1965 1985 1982



Yes Yes No No No No Yes Yes No Yes Yes Yes No No Yes Yes Yes



Yes Yes Yes Yes Yes No other



No Yes boiler cleaning chemicals No Yes boiler cleaning chemicals No Yes No other No other



Yes Yes No No



Gibson Generating Station North Settling Basin Gibson Generating Station East Ash Pond #1 Gibson Generating Station East Ash Pond #2 Gibson Generating Station East Ash Pond #3 Gibson Generating Station East Ash Pond Settling Basin Gibson Generating Station North Ash Pond Marshall Steam Station Miami Fort Generating Staion Miami Fort Generating Staion Active Ash Pond Ash Pond A Ash Pond B



Yes Yes Yes Yes Yes Yes No No No No



Yes Yes Yes Yes Yes Yes No Yes other, process run-off No Yes No other, process run-off No other, process waste water



R. Gallagher Power Station Ash Pond A R. Gallagher Power Station Secondary Ash Pond Riverbend Power Station Secondary Pond



1970 1970 1986



Yes Yes Yes



Company Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp Duke Energy Corp



Facility Riverbend Power Station W. S. Lee Power Station W. S. Lee Power Station Wabash River Power Station Wabash River Power Station Wabash River Power Station Wabash River Power Station Primary Pond



Unit



City Mount Holly Pelzer Pelzer Terre Haute Terre Haute Terre Haute Terre Haute



State NC SC SC IN IN IN IN



1 Hazard Potential High None None None None None None



2 Year Commissioned 1957 1975 pre 1974 2005 1984 1984 1968



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD 1979 Yes Yes 1975 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



3 Other Residuals



4 PE Design No Yes Yes No No No No



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified No Yes Yes No No No No No 11/2004 Yes 3/2009 Yes 3/2009 No 1/2009 No 1/2009 No 1/2009 No 1/2009 11/1/2004 No No No No No No No



7 Significant Deficiencies



No other, water treatment



Secondary Ash Pond Primary Active Ash Pond South Ash Pond Secondary Ash Pond Primary Ash Pond Cell B Primary Ash Pond Cell A



Yes Yes Yes Yes Yes Yes Yes Yes No No No No



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases CBI No CBI Claim CBI Claim Claim No CBI No CBI Claim CBI Claim Claim No CBI No CBI Claim CBI Claim Claim No CBI No CBI Claim CBI Claim Claim No CBI No CBI Claim CBI Claim Claim No CBI No CBI Claim CBI Claim Claim No CBI No CBI Claim CBI Claim Claim No



9 Historical Releases Identified



Additional Data



Duke Energy Corp



Walter C. Beckjord Power Station



Ash Pond B



New Richmond



OH



Significant



1963



Yes



Yes



Yes



No other



Yes



Yes



Yes quarterly



4/23/2008



Duke Energy Corp Duke Energy Corp Dynegy Midwest Generation Inc Dynegy Midwest Generation Inc Dynegy Midwest Generation Inc Dynegy Midwest Generation Inc Dynegy Midwest Generation Inc Dynegy Midwest Generation Inc Dynegy Midwest Generation Inc Dynegy Midwest Generation Inc East Kentucky Power Coop Inc



Walter C. Beckjord Power Station Walter C. Beckjord Power Station Baldwin Energy Complex Havana Power Station Havana Power Station Hennepin Power Station Vermilion Power Station Vermilion Power Station



Ash Pond C Ash Pond C extension Ash Pond System East Ash Pond North Ash Pond System Ash Pond System (2 cells) North Ash Pond



New Richmond New Richmond Baldwin Havana Havana Hennepin Oakwood Oakwood Alton Alton Winchester



OH OH IL IL IL IL IL IL IL IL KY



Significant Significant None High None Low None Low Low High None



1966 1985 1970 1990 1947 1995 +/-1970's 1989 1977 2006 1954 1999 2003 2004 1989 1997, 2003



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes No



No other No



Yes No Yes Yes No Yes No Yes Yes Yes No



Yes No Yes Yes No Yes No Yes Yes Yes No



visual Yes weekly No quarterly Yes 2/2009 Yes 3/2009 Yes 3/2009 Yes 3/2009 Yes 2/2009 No 2/2009 Yes 2009 Yes 2009 Yes 2010 2010 2010 2010 2010 2010 2010 2010



4/23/2008 4/23/2008



Ohio inspection noted: earth slides on east exterior slope, erosion gullies. Small slide on south Yes exterior slope Ohio inspection noted: earth slide on exterior slope of south and west embankment, earth slides on east Yes embankment, sinkhole Ohio inspection noted: gullies near Yes toe at west embankment No



CBI Yes CBI Claim CBI Claim Claim



No Apr 26, 1999 significant drop in pond elevation. Yes Holes No 55 40 22 34 40 40 20 33 20 No No No No No No No No No 2008 - small leak detected, taken off line, awaiting repairs to finish before Yes placed back on-line No No No (8) height for cell 1: 25', cell 2: 40', cell 3:38', cell 4: 40'



CBI Yes CBI Claim CBI Claim Claim CBI Yes CBI Claim CBI Claim Claim No No No No No No No No No 492 2625 6 20 80 28 19 38 8 3957 1388 5 562 2400 240 210 435 25



Yes Yes other waste waters Yes Yes Yes Yes Yes Yes Yes Yes No other No other No other No other No other No other No other No other



12/1/2003



No No No No No No



East Ash Pond (2 cells) West Ash Pond (2 cells) Cells 2E Wood River Power Station and 3 Wood River Power Station East Ash Pond (2 cells) Dale Power Station Dale Ash Pond #2



12/1/2006



No No



East Kentucky Power Coop Inc East Kentucky Power Coop Inc Empire District Electric Co Empire District Electric Co



Dale Power Station H. L. Spurlock Power Station Asbury Power Station Riverton Power Station



Dale Ash Pond #4 Spurlock Ash Pond Ash Impoundment Landfill Unit



Winchester Maysville Asbury Riverton



KY KY MO KS



Low Low None None



1977 1976 1970 1951



Yes No Yes Yes



Yes Yes No Yes



Yes No Yes No



No other No No No



Yes Yes No No



Yes Yes No No



Yes Yes No 4/1987 No 3/31/2009



12/1/1998 2/1/2009 2/1/2006 5/9/2008



No No No No recommend sub surface investigation and piezometer Yes installation, also install inclinometer No No No No No No CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim



No No No No



11



112



26 40 26 19



1974, 1978 1985, 2000



92 28



806



First Energy Generation Corp First Energy Generation Corp First Energy Generation Corp First Energy Generation Corp First Light Power Resources First Light Power Resources First Light Power Resources Georgia Power Co Georgia Power Co Georgia Power Co Georgia Power Co Georgia Power Co Georgia Power Co Georgia Power Co Georgia Power Co Georgia Power Co Georgia Power Co Gulf Power Hoosier Energy R E C Inc Hoosier Energy R E C Inc Hoosier Energy R E C Inc Hoosier Energy R E C Inc



Bruce Mansfield Power Station Bruce Mansfield Power Station Bruce Mansfield Power Station Bruce Mansfield Power Station Mt. Tom Station Mt. Tom Station Mt. Tom Station Bowen Power Station Harllee Branch Power Station Harllee Branch Power Station Harllee Branch Power Station Harllee Branch Power Station Harllee Branch Power Station Kraft Power Station McIntosh Power Station Scherer Power Station Wansley Power Station Lansing Smith Power Station Frank E. Ratts Power Station Frank E. Ratts Power Station Frank E. Ratts Power Station Frank E. Ratts Power Station



Little Blue Run Dam North LDS Pond (N-LDS) West HDS Pond (W-HPDS) South LDS Pond (S-LDS) Bottom Ash Basin Equalization Tank Special Basin Ash Pond E D C B A Ash Pond Ash Pond Ash Pond Ash Pond Plant Smith Ash Pond Fly Ash Pond 1 Fly Ash Pond 2 Bottom Ash Pond Fly Ash Pond 3



Shippingport Shippingport Shippingport Shippingport Holyoke Holyoke Holyoke Cartersville Milledgeville Milledgeville Milledgeville Milledgeville Milledgeville Port Wentworth Rincon Juliette Carrolton Pensacola Petersburg Petersburg Petersburg Petersburg Sullivan Sullivan Madison



PA PA PA PA MA MA MA GA GA GA GA GA GA GA GA GA GA FL IN IN IN IN



High Significant Significant Significant None None None Low High Low None Low None None None None Low None None None None None



1975 1975 1975 1975 2003 1983 1983 1968 1982 1980 1971 1967 1965 1958 1982 1980 1975 1965 1975 1982 1970 1985



1996, 2006



Yes Yes Yes Yes No Yes Yes



Yes Yes Yes Yes Yes No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes No



Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes No Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes No Yes Yes Yes Yes



Yes 10/2008 Yes 3/2009 Yes 3/2009 Yes 3/2009 No No No



1/1/2009 10/1/2007 10/1/2007 10/1/2007



CBI Yes CBI Claim CBI Claim Claim No No No No No 3 3 3 2 610 108000 7300 32 27 17 0 14



several seeps - state Yes documented No No No No No No 7/28/02 sink hole; 9/9/08 Yes Stack Failure. No No Yes discharge of slurry 12/1/00 No No No No No No No No No No No (2-10) No units handle wet ash Ash handled dry. All other units are wwt or stormwater in ground (8) Height: below grade (8) Height: below grade



1992, 2001



Yes Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Pyrites No Pyrites No Pyrites No Pyrites No Pyrites No Pyrites No Pyrites, other No Pyrites



Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim No CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim No CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim No CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim Yes quarterly Yes quarterly Yes quarterly Yes quarterly quarterly quarterly quarterly quarterly No No No No



1963



Yes Yes Yes



2006



Yes Yes Yes Yes Yes Yes



Yes Yes Pyrites Yes No No No No No Other No No No No



No 1 68000 0 CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim CBI CBI Claim CBI Claim CBI Claim Claim No No No No 10 16 6 25 40 24 24 0 24



Hoosier Energy R E C Inc Indiana-Kentucky Electric Corp



Merom Generating Station All Clifty Creek Power Station West Boiler Slag Pond



IN IN



None Significant 1955



No No



No No



No Yes



No No



No No



No No



No Yes fall 2008 annual



No No 2 levee breaches (2/14/2007, 1/30/2008)- each releasing about 30 Yes million gallons of ash sluice water. 2 levee breaches (2/14/2007, 1/30/2008)- each releasing about 30 Yes million gallons of ash sluice water.



No No 58 3600



0 35



No No 2 levee breaches (2/14/2007, 1/30/2008)State notified. 30 million Yes gallons each spill. 2 levee breaches (2/14/2007, 1/30/2008)State notified. 30 million Yes gallons each spill.



Indianapolis Power & Light Eagle Valley Generating Co Station



C Pond



Martinsville



IN



None



1949



1979, 1981, 1991



Yes



Yes



Yes



No Other



No



No



No 4/7/2009



1/30/2008



No



8



22



16



Indianapolis Power & Light Eagle Valley Generating Co Station



B Pond



Martinsville



IN



None



1949



1979, 1981, 1991



Yes



Yes



Yes



No Other



No



No



No 4/7/2009



1/30/2008



No



13



72



16



Company



Facility



Unit



City



State



1 Hazard Potential



2 Year Commissioned



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD 1962, 1981, 2000, 2005, 2007, 2008



3 Other Residuals



4 PE Design



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases



Indianapolis Power & Light Eagle Valley Generating Co Station



D Pond



Martinsville



IN



None



1956



Yes



Yes



Yes



No Other



No



No



No 4/7/2009



1/30/2008



2 levee breaches (2/14/2007, 1/30/2008)- each releasing about 30 Yes million gallons of ash sluice water. 2 levee breaches (2/14/2007, 1/30/2008)- each releasing about 30 Yes million gallons of ash sluice water. 2 levee breaches (2/14/2007, 1/30/2008)- each releasing about 30 Yes million gallons of ash sluice water. No No No No



No



16



160



38



Indianapolis Power & Light Eagle Valley Generating Co Station



E Pond



Martinsville



IN



None



1956



2003, 2007, 2008



Yes



Yes



Yes



No Other



No



No



No 4/7/2009



1/30/2008



No



4



2



28



Indianapolis Power & Light Co Indianapolis Power & Light Co Indianapolis Power & Light Co Indianapolis Power & Light Co Indianapolis Power & Light Co Indianapolis Power & Light Co Indianapolis Power & Light Co Indianapolis Power & Light Co Indianapolis Power & Light Co Indianapolis Power & Light Co Kansas City Board of Public Utilities Kansas City Power & Light Co Kansas City Power & Light Co Kansas City Power & Light Co Kansas City Power & Light Co Kansas City Power & Light Co Kansas City Power & Light Co Kansas City Power & Light Co Kansas City Power & Light Co Kansas City Power & Light Co



Eagle Valley Generating Station Harding Street Power Station Harding Street Power Station Harding Street Power Station Harding Street Power Station Harding Street Power Station Petersburg Generating Station Petersburg Generating Station Petersburg Generating Station Petersburg Generating Station Nearman Creek Power Station Hawthorn Generating Station Iatan Power Station LaCygne Generating Station LaCygne Generating Station Lake Road Generating Station Lake Road Generating Station Montrose Generating Station Sibley Generating Station Sibley Generating Station



A Pond Ponds 2A/2B Pond 3 Pond 4 Pond 1



Martinsville Indianapolis Indianapolis Indianapolis Indianapolis



IN IN IN IN IN



None None None None None



1949 1992 1977 1983 1958



1979, 1981, 1991



Yes Yes



Yes Yes Yes Yes Yes



Yes



No Other



No Yes No No No



No Yes No No No



No 4/7/2009 Yes 6/2008 No 6/2008 No 6/2008 No 6/2008



1/30/2008



No No No No No



19 4 8 26 7



388



26 18 5 13 18



9 Historical Releases Identified 2 levee breaches (2/14/2007, 1/30/2008)State notified. 30 million Yes gallons each spill. 2 levee breaches (2/14/2007, 1/30/2008)State notified. 30 million Yes gallons each spill. 2 levee breaches (2/14/2007, 1/30/2008)State notified. 30 million Yes gallons each spill. No No No No



Additional Data



Yes Yes Yes Yes Yes Yes Yes Yes



1995, 1998 1995, 1998 1995, 1998 1980 , 1992, 1995, 1998, 2001, 2006 1999 1978 1978 1999



Yes Yes Yes



Pond 2 Pond C Pond A - Active Pond A - Discharge Pond B N/A Scrubber Waste Settling Pond Ash Pond



Indianapolis Petersburg Petersburg Petersburg Petersburg Kansas City Kansas City Weston



IN IN IN IN IN KS MO MO



None None None None None None None None



1968 1986 1967 1967 1986 1980 2006 1980



Yes Yes Yes Yes Yes No No Yes



Yes Yes Yes Yes Yes Yes No Yes



Yes Yes Yes Yes Other Yes Yes Other Yes Yes Other Yes Yes Other Yes No



No Yes Yes Yes Yes Yes No No



No Yes Yes Yes Yes Yes No No



No 6/2008 No 6/26/2008 No 6/26/2008 No 6/26/2008 No 6/26/2008 No 6/2008 No visual No weekly Spring Yes 2009 No No No No No No 08/18/2008



No No No No No No No No



No No No No No No No No



30 30 67 5 35 7 0 89 1023 310 12 1209 124 0 2479



48 37 20 20 37 21 0 0



No No No No No No No No July 2007, Sept 2007, and May 2009- Due to unusual Yes rainfall events No No No No No No (5) minor leaks at spillwy, minor seep, repair erosion gullies (4) No/No/No for 1957 and 1964; yes/yes/no for 1973 and 1990 (5) repair erosion gullies (5) evaluate wave erosion at toe (NE corner); (6) no toe drain noted (8) Height: below grade (5) repair scarp, stabalize soft spots (8) Height: below grade 8- Height incised unit (2) permitted 1982 8- height unit is incised



No Yes No No



Scrubber Sludge Ponds Bottom Ash Settling Pond Slag Settling Pond Settling Pond Ash Settling Pond Slag Settling Pond Fly Ash Settling Pond



LaCygne LaCygne St. Joseph St. Joseph Clinton Sibley Sibley



KS KS MO MO MO MO MO



None None None None None None None



1971 1977 1967 1967 1958 1986 1979



1979



Yes No



No Yes No No Yes No No



No Yes No Yes No No No No No No No Other No No Other No



Yes No Yes Yes No Yes Yes



Yes No Yes Yes No Yes Yes



No No No No No No No



No No No No No No No



483 2 1 1 4 1 15



6818 1 4 3 5 0 136



45 12 10 10 6 0 18



1977 1977



No Yes Yes No Yes



Kentucky Utilities Co



E. W. Brown Power Station Auxiliary Pond



Harrodsburg



KY



High



2008 1964, 1973, 1990 2003



Yes



Yes



Yes



No other, process water



Yes



Yes



No 1/2009



6/1/2008



No



No



35



47



75



No



Kentucky Utilities Co Kentucky Utilities Co



E. W. Brown Power Station Ash Pond Ghent Power Station Ash Pond Basin 2



Harrodsburg Ghent



KY KY



High High



1957 1995



Yes Yes



Yes Yes



Yes Yes



No other, process water No other



No Yes



No No



No 1/2009 No 1/2009



7/1/2008 3/1/2009



No No



No No



126 146



4649



126 227



No No



Kentucky Utilities Co Kentucky Utilities Co Kentucky Utilities Co Kentucky Utilities Co Kentucky Utilities Co Kentucky Utilities Co Kentucky Utilities Co Kentucky Utilities Co Kentucky Utilities Co Kentucky Utilities Co



Ghent Power Station Ghent Power Station Ghent Power Station



Ash Pond Basin 1 Secondary Ash Treatment Basin



Ghent Ghent Ghent Ghent Central City Central City Central City Central City Central City



KY KY KY KY KY KY KY KY KY KY



High None High None None None None Low Low None



1972 1972 1995 1995 1949 1949 1949 1977 1975 1977



1977



Yes Yes No No Yes Yes Yes Yes No Yes



Yes Yes No No Yes Yes Yes Yes No Yes



Yes No



No other No



Yes Yes Yes Yes No No No Yes No No



No No No Yes No No No No No No



No 1/2009 No 3/2009 No 1/2009 No No No No 3/2009 1/2009 1/2009 1/2009



3/1/2009



No No No No No No No



No No No No No No No No No No



120 4 46 8 23 2 6 37 12 7



4339 0 589 0



52 0 25 0 17 17 17 54 20 17



No No No No No No No No No No



Gypsum Stacking Facility Gypsum Stack Surge/Reclaim Ghent Power Station Pond Green River Power Station Ash Pond Number 2 Green River Power Station Finishing Pond Number 3 Green River Power Station Former Ash Pond Green River Power Station Main Ash Pond Green River Power Station Scrubber Pond Pineville Station Ash Pond



No Yes No Yes Yes No other No No Yes No other, process water Yes No other



3/1/2009



No 2/2009 No 2/2009 No 1/2009



11/1/2004 11/1/2004



No No No



682 150



No Yes No No other, process water



(5) need to evaluate need for headwall or inlet protection (5) need to evaluate need for overflow protection (5) evaluate seepage and bank erosion, monitor seepage and check for soil fines in flow (5) evaluate seepage and bank erosion, soil fines in flow



Kentucky Utilities Co Kentucky Utilities Co Lansing Board of Water & Light Louisiana Generating LLC Louisiana Generating LLC Louisiana Generating LLC Louisville Gas & Electric Co Louisville Gas & Electric Co Louisville Gas & Electric Co Louisville Gas & Electric Co Louisville Gas & Electric Co Louisville Gas & Electric Co Louisville Gas & Electric Co Louisville Gas & Electric Co Louisville Gas & Electric Co Louisville Gas & Electric Co



Tyrone Power Station Tyrone Power Station Erickson Station Power Station



Finishing Pond Ash Pond Unit 1



Versailles Versailles Lansing New Roads New Roads New Roads Louisville Louisville Louisville Louisville Louisville Louisville



KY KY MI LA LA LA KY KY KY KY KY KY



None Low None None None None High None None None None None



est 1977 1977 1973 1979 1980 1980 1972 1976 1976 1976 1977 1978 1982 1982 1977



Yes Yes Yes No Yes No Yes No No No No No



Yes Yes Yes No Yes Yes Yes No No No No No



No Yes No No No No Yes



No No other, process water No other, waste water solids, No ash sluice water No other, waste water other, settled solids from No clarifying river water



No Yes Yes Yes Yes Yes No No No No No No



No No Yes Yes Yes Yes No No No No No No



No 2/2009 No 2/2009 No 1973 No No No No 1/2009 No 3/2009 No 3/2009 No 3/2009 No 3/2009 No 3/2009



6/1/2005 6/1/2005



No No No



No No No No No No No No No No No No



0 13 33 25 175 66 40 2 0 4 2 2 0 99 457 732 554 821



15 16 17 18 10 18 12 10 10 10 12 0



No No No No No No No No No No No No



Big Cajun 2 Power Station Water Treatment Unit Big Cajun 2 Power Station Fly Ash Unit Big Cajun 2 Power Station Bottom Ash Unit Cane Run Power Station Cane Run Power Station Cane Run Power Station Cane Run Power Station Cane Run Power Station Mill Creek Power Station Ash Pond Basin Pond Clearwell Pond Dead Storage Pond Emergency Pond Dead Storage Pond



9/1/2006 9/1/2006 9/1/2006 10/1/2008



No No No No No No No No No



No other other, process water No Yes drainage



No Yes No Yes other, process water No Yes drainage No Yes



Mill Creek Power Station Mill Creek Power Station Mill Creek Power Station Mill Creek Power Station



Ash Pond Construction Run Off Pond Emergency Pond Clearwell Pond



Louisville Louisville Louisville Louisville



KY KY KY KY



Significant None None None



1972 1978 1977 1978



1978



Yes No No No



Yes No No No



Yes Yes other, process water No Yes No Yes No Yes



No No No No



No No No No



No 1/2009 No 3/2009 No 3/2009 No 3/2009



10/1/2008



No No No No



No No No No



43 2 0 2 0 0 0



77 0 0 0



No No No No



(8) Height: below grade (5) major structural integrity issues, water seepage, erosion issues (8) Height: below grade (8) Height: below grade (8) Height: below grade



Company



Facility



Unit



City



State



1 Hazard Potential



2 Year Commissioned



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD



3 Other Residuals



4 PE Design



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases



9 Historical Releases Identified



Additional Data (5) trees grown on north downstream slope, repair erosion gullies, wave erosion repair



Louisville Gas & Electric Co Lower Colorado River Authority MidAmerican Energy Co MidAmerican Energy Co MidAmerican Energy Co MidAmerican Energy Co MidAmerican Energy Co



Trimble County Power Station Fayette Power Project Power Station George Neal North Power Station George Neal North Power Station George Neal North Power Station Louisa Power Station Riverside Generating Station Riverside Generating Station Walter Scott Junior Energy Center Walter Scott Junior Energy Center Milton R. Young Power Station Milton R. Young Power Station Milton R. Young Power Station Plant Jack Watson R. M. Schahfer Power Station R. M. Schahfer Power Station R. M. Schahfer Power Station R. M. Schahfer Power Station R. M. Schahfer Power Station R. M. Schahfer Power Station R. M. Schahfer Power Station Black Dog Power Station Riverside Power Station Sherburne County Power Station Sherburne County Power Station Sherburne County Power Station Dunkirk Electric Generating Station Dunkirk Electric Generating Station Dunkirk Electric Generating Station



Ash Pond Management Unit 002 Surface Impoundment 1 Surface Impoundment 2 Surface Impoundment 3 Louisa Surface Impoundment North Surface Impoundment



Bedford La Grange Sioux City Sioux City Sioux City Muscatine Bettendorf



KY TX IA IA IA IA IA



Significant None None None None None None



1990 1979 1972 1972 1975 1983 1979 1994



Yes Yes Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes



Yes Yes other, process water Yes No other liquids



Yes Yes No No No No No



Yes Yes No No No No No



No 1/1/2009 Yes monthly No No No No No



9/1/2005 1/30/2009



No No No No No No No



No No No No No No No



82 83 12 27 76 42 14



3223 1859 82 178 335



40 57 12 11 20 4 10



No No No No No No No April 14, 2002- Caused by Mississippi River flooding, Yes fixed using drilled grout No No No No No No No No 2 spills: pump failure March 2009; no details Yes March 1998 No No No No No No No Yes 600 Gal spill May 2007 No No No No No No No No No No No No No No No No No No No No No No No No No No No No No



Yes Yes other Yes Yes other Yes Yes other Yes Yes Yes Yes Other



50



MidAmerican Energy Co MidAmerican Energy Co MidAmerican Energy Co Minnkota Power Coop Inc Minnkota Power Coop Inc Minnkota Power Coop Inc Mississippi Power Co Northern Indiana Pub Serv Co Northern Indiana Pub Serv Co Northern Indiana Pub Serv Co Northern Indiana Pub Serv Co Northern Indiana Pub Serv Co Northern Indiana Pub Serv Co Northern Indiana Pub Serv Co Northern States Power Co Northern States Power Co Northern States Power Co Northern States Power Co Northern States Power Co NRG Dunkirk NRG Dunkirk



South Surface Impoundment North Surface Impoundment South Surface Impoundment Unit 1 Alternative Bottom Ash Pond Horseshoe Pit Evaporation Pond 30 Year Ponds (Cell 2) Ash Pond Recycle Basin Waste Disposal Area



Bettendorf



IA IA IA



None None None None None None None None None



1967 1978 1979 1986 1990 2005 1968 1982 1982



1970, 1976



Yes Yes No No No



Yes Yes Yes Yes No No Yes No Yes



Yes Yes Other Yes Yes No No No No Process Water No No only leachate



No No No Yes Yes Yes No No No



No No No Yes Yes Yes No No No



No No No Yes daily Yes monthly 2007/200 Yes 8 7/11/2008 2/1/2008 2/1/2008



No No No No No No CBI Claim



No No No No No



12 171 133 2 4



109 2045 1326 2 34



10 11 7 10 6



Center Center Center Gulfport Wheatfield Wheatfield



ND ND ND MS IN IN



2007 1974, 1999



Yes Yes No No



Yes Yes Yes No Yes No No other No



No CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim No No No No



No 27 620 60 CBI CBI Claim CBI Claim CBI Claim Claim No No 30 76 17 17



Metal Cleaning Waste Basin Material Storage Runoff Basin Final Settling Basin FGD Landfill Stormwater Runoff Pond Yard Drain Stormwater Retention Pond Settling Pond 1 Triangle Pond Pond No. 1 Pond No. 2 Pond No. 3 Northwest Pump House Settling Pond System



Wheatfield Wheatfield Wheatfield Wheatfield Wheatfield Burnsville Minneapolis Becker Becker Becker Dunkirk Dunkirk Dunkirk Dover Tonawanda Tonawanda Tonawanda Millsboro Millsboro Somerset Somerset Somerset Somerset Jewett Jewett Jewett Thompsons Thompsons Thompsons Thompsons Thompsons Thompsons Thompsons Thompsons Cheshire Cheshire Casper Casper



IN IN IN IN IN MN MN MN MN MN NY NY NY DE NY NY NY DE DE MA MA MA MA TX TX TX TX TX TX TX TX TX TX TX OH OH WY WY



None None None None None None None Low Significant Significant None None None None None None None None None None None None None None None None None None None None None None None None Significant Significant None None



1982 1982 1976 1983 1999 1955 1978 1975 1984 1975 1986 Unknown 1986 1984 1983 1983 unknown 1989 1979 1923 - 1925 1982 - 1984 1982 - 1984 1970's 1985 1985 1985 1978 1978 1978 1980 1978 1978 1978 1978 1955 1955 1972 1972 1993 1982 - 1984 1982 - 1984 1976 1987 1986, 2004, 2008



No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No Yes Yes Yes No Yes Yes Yes Yes Yes No Yes Yes



No No No No No Yes Yes Yes Yes Yes No Yes No Yes No No Yes Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes No Yes Yes Yes Yes No No Yes Yes



No Yes No Yes No No No No No No other No other No other No No



No No No No No No Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes No No No Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No Yes Yes



No No No No No No Yes Yes Yes Yes Yes Yes Yes No No No No No No No Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No



No No No No No No 1997 Yes Yes 1975 Yes 1984 Yes No No No Yes No No No 4/2009 No No No 1984 No 1984 No 1984 No No No No No No No No No No No No inspected weekly inspected weekly inspected weekly inspected weekly inspected weekly inspected weekly inspected weekly inspected weekly 2/1/2009 2/1/2009 2/12/2009 2/12/2009 2/12/2009 6/1/2008 6/1/2008 6/1/2008 03/25/2009 03/25/2009 03/25/2009



No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No



No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No



12 12 214 4 1 0 62 100 50 0 2 0 0 2 2 7 0 0 0 0 0 0 1 1 3 0 1 0 0 0 0 24 0 65 35 20 20 14 138 0 0 0 2 0 0 0 2 0 2 0 0 0 0 24 0 0 12 0 0 9 48 8



4 4 13 3 0 13 20 41 57 57 0 5 0 6 3 5 7 2 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40 41 12 12



1975



(8) 0.26 acres



Yes Yes Yes Yes Yes Yes No No No Yes No No Yes No No No No No No No No No No No No No Other No No Other No Other No Other No Other No No No No Other No No Other No No Other No Other No Other No No No



8- Height below grade



NRG Dunkirk Equalization Basin NRG Energy Center Dover, LLC NRG - Energy Center Dover Waste Water Pond Huntley Elecrtic Generating North Equalization Basin NRG Huntley Power, LLC Station Huntley Elecrtic Generating NRG Huntley Power, LLC Station South Equalization Basin Huntley Elecrtic Generating NRG Huntley Power, LLC Station South Settling Pond System NRG Indian River Power Indian River Electric LLC Generating Station Sedimentation Pond NRG Indian River Power Indian River Electric LLC Generating Station Ash Silo Area Sump System Somerset Electric NRG Somerset Power LLC Generating Station Equalization Basin Somerset Electric NRG Somerset Power LLC Generating Station Coal Pile Run-Off Sump Somerset Electric NRG Somerset Power LLC Generating Station South Pond Somerset Electric NRG Somerset Power LLC Generating Station North Lift Pit Limestone Electric NRG Texas Power, LLC Generating Station Stormwater Pond A Limestone Electric NRG Texas Power, LLC Generating Station Stormwater Pond B Limestone Electric NRG Texas Power, LLC Generating Station Bottom Ash Cooling Pond W. A. Parish Electric NRG Texas Power, LLC Generating Station Unit 7/8 Dewatering Bin Basin W. A. Parish Electric NRG Texas Power, LLC Generating Station Air Preheater Pond W. A. Parish Electric NRG Texas Power, LLC Generating Station Unit 8 Bottom Ash Overflow Basin W. A. Parish Electric Flue Gas Desulfurization NRG Texas Power, LLC Generating Station Emergency Pond (E-Pond) W. A. Parish Electric NRG Texas Power, LLC Generating Station Unit 7 Bottom Ash Overflow Basin W. A. Parish Electric NRG Texas Power, LLC Generating Station Unit 5 Bottom Ash Overflow Basin W. A. Parish Electric NRG Texas Power, LLC Generating Station Coal Pile Run Off Pond W. A. Parish Electric NRG Texas Power, LLC Generating Station Unit 6 Bottom Ash Overflow Basin Ohio Valley Electric Corp Ohio Valley Electric Corp PacifiCorp PacifiCorp Kyger Creek Power Station South Fly Ash Pond Kyger Creek Power Station Boiler Slag Pond Dave Johnston Power Station 4B Ash Pond Dave Johnston Power Station 4A Ash Pond



8- Height below grade



8-Height incised 8-Height below grade 8-Height below grade 8-Height incised 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade 8- Height Below Grade



No Yes No No No No No Yes No No No No No No



No fall 2007 No fall 2007 No 3/2009 No 3/2009



Yes Yes Yes Yes



Company PacifiCorp PacifiCorp PacifiCorp PacifiCorp PacifiCorp



Facility Dave Johnston Power Station Dave Johnston Power Station Dave Johnston Power Station Dave Johnston Power Station Dave Johnston Power Station Dave Johnston Power Station Jim Bridger Power Station



Unit 4 Clear Pond 1B Clear Pond 1B Ash Pond 1A Clear Pond 1A Ash Pond Casper Casper Casper Casper Casper



City



State WY WY WY WY WY



1 Hazard Potential None None None None None



2 Year Commissioned 1972 1959 1959 1959 1959



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



3 Other Residuals



4 PE Design Yes Yes Yes Yes Yes



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified No No No No No No 3/2009 No 3/2009 No 3/2009 No 3/2009 No 3/2009 No No No No No



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases No No No No No 6 2 12 2 13 15 2 56 2 57 12 0 0 0 0 No No No No



9 Historical Releases Identified



Additional Data



Yes Yes other Yes Yes other Yes Yes other Yes Yes other



(8) Height: 0 Feet (sub surface) (8) Height: 0 Feet (sub surface)



PacifiCorp PacifiCorp



Blowdown Canal FGD Pond #1



Casper Rock Springs



WY WY



None Significant



1972 1979 1989



Yes Yes



Yes Yes



Yes Yes No Yes



Yes Yes



No No



No 3/2009 No 2/2009 6/1/2004



No No



No No



0 93



1 1340



0 32



PacifiCorp



Jim Bridger Power Station



FGD Pond #2



Rock Springs



WY



Significant



1990



Yes



No



No Yes



Yes



Yes



No 2/2009



6/1/2004



No



No



392



11534



42



No Jan 2009 - 14,400 gallons of process water overflowed Yes the canal Seepage on south side of Yes pond Seepage on north side estimated at 10,000 gal/month and is pumped Yes back into the pond 2006 - leakage from pond Yes install a pump back system 55,000 cu. Yds of fly ash was spilled outside the Yes pond boundries



PacifiCorp



Naughton Power Station



FGD Pond #2



Kemmerer



WY



Significant



1999 1982, 1987 and 19931994 1986, 1990, 1994 and 2005 1976, 1981, 1987 and 1993-1994



Yes



No



No Yes other



Yes



Yes



No 2/2009



9/1/2008



No



No



40



382



25



PacifiCorp



Naughton Power Station



North Ash Pond



Kemmerer



WY



Low



1973



Yes



Yes



Yes



No other



No



No



No 2/2009



8/1/2004



No



No



152



2100



61



PacifiCorp



Naughton Power Station



FGD Pond #1



Kemmerer



WY



Low



1981



Yes



No



No Yes other



No



No



No 2/2009



No



No



40



864



70



No



PacifiCorp PacifiCorp Platte River Power Authority Platte River Power Authority Power South Energy Cooperative Power South Energy Cooperative Power South Energy Cooperative PPL Generation, LLC PPL Generation, LLC PPL Generation, LLC PPL Generation, LLC PPL Generation, LLC



Naughton Power Station Wyodak Power Station Rawhide Power Station Rawhide Power Station Charles R. Lowman Power Station Charles R. Lowman Power Station Charles R. Lowman Power Station PPL Brunner Island Power Station PPL Brunner Island Power Station PPL Brunner Island Power Station PPL Holtwood Power Station PPL Martins Creek Power Station PPL Martins Creek Power Station PPL Montour Power Station PPL Montour Power Station



South Ash Pond Ash Pond North Bottom Ash Transfer Pond South Bottom Ash Transfer Pond Units 2-3 Pond FGD Unit 1 Ash Pond



Kemmerer Gillette Wellington Wellington Leroy Leroy Leroy



WY WY CO CO AL AL AL PA PA PA PA PA



Low None None None None None None None None Less than Low



1973 1976 1984 1984 1979 1979 1969 1973 1993 1981



Yes Yes No No Yes No



Yes Yes Yes Yes Yes No Yes No No Yes No No



No No other Yes Yes Yes Yes Yes No other No other No



No Yes Yes Yes Yes Yes No Yes Yes Yes No Yes



No Yes Yes Yes Yes Yes No Yes Yes Yes No Yes



No 2/2009 No 4/2006 Yes Yes No No No Yes 2008 Yes 2008 Yes 2008 No Yes



8/1/2004 10/1/2006



No No No No No No No No No



No No No No No No No No No No No No



183 16 4 4 29 530 16 7 1 70



3754 238 0 12 629



71 0 0 0 12 12



No No No No No No No No No No No No Plant closed and demolished 1999 Sep 2007 - Plant was shut down (8) Height: below grade (8) Height: below grade



No Yes Yes No No No No No No No other No No No No other



1968



Yes No Yes Yes No



330



14 3 11 39 45



Industrial Waste Treatment Basin York Haven Equalization Pond Ash Basin No.6 York Haven York Haven Holtwood Industrial Waste Treatment Basin Bangor



1/1/2009



No No No



Less than Low



1974



No



15



10



PPL Generation, LLC PPL Generation, LLC PPL Generation, LLC



Ash Basin 4 Detention Basin



Bangor Washingtonville



PA PA PA



Ash Area 3 Leachate Runoff Basin Washingtonville



Significant Less than Low Less than Low



1989 1968 1980



Yes No No



No No No



No No No



No No other No other



Yes Yes Yes



Yes Yes Yes



Yes 2008 Yes 2007 Yes



1/1/2009



No No No



No No No



37 21 2 53 2



43 8 10



2005 - Fly Ash spill (100 Million Gal) estimated 10 Yes acres Sep 2007 - Plant was shut down minor seepage of west side Yes berm 2004 No minor seeps on the south side basin - abatement action underway of a Yes consent order 2007 No No No Yes 3/18/03 spill +/- 2700 No No (8) 0.11 acres, 0.5 acft



PPL Generation, LLC PPL Generation, LLC PPL Generation, LLC PPL Montana LLC PPL Montana LLC PPL Montana LLC PPL Montana LLC



PPL Montour Power Station PPL Montour Power Station PPL Montour Power Station Colstrip Steam Electric Station Colstrip Steam Electric Station Colstrip Steam Electric Station Colstrip Steam Electric Station Colstrip Steam Electric Station



Ash Basin No. 1 Silo Runoff Pond Stormwater Basin Units 3 & 4 Scrubber Drain Collection Pond Units 1 & 2 A Pond Units 1 & 2 B Fly Ash Pond Units 1 & 2 Bottom Ash Pond



Washingtonville Washingtonville Washingtonville Colstrip Colstrip Colstrip Colstrip



PA PA PA MT MT MT MT



Low Less than Low Less than Low Less than Low Significant Less than Low Significant



1968 1980 1968 1983 1975 1975 1988 2004



Yes Yes No Yes Yes Yes No



Yes No No No No No Yes



No No No



No No No other



Yes Yes Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes



Yes 2007 Yes Yes No Yes Yes Yes 2009 2009



1/1/2009



No No No No No No No



No No No No No No No



143 0 2 6 14 10 7 0 13 72 245 196 73



40 6 7 0 25 25 25



No Yes No Yes now only stormwater runoff No Yes Yes No temp storage other - only stores raw water and storm water No runoff from



PPL Montana LLC



Units 1 & 2 C Pond



Colstrip



MT



Low



1978



1987



No



No



No



Yes



Yes



Yes



2009



No



No



20



400



14



No 10/11/95 small spill +/- 100 gallons C Cell; 8/29/00 small spill +/- 50 gallons C Cell; 2/1/06 hole in HDPE liner C Cell +/- 2000 Yes gallons 12/21/99 spill; 9/28/04; 1/25/05 ground and shows Yes up on hillside No No No No No No No No No No No (2) removed from service 1995



PPL Montana LLC



Colstrip Steam Electric Station Colstrip Steam Electric Station Colstrip Steam Electric Station Colstrip Steam Electric Station Asheville Power Station Asheville Power Station Cape Fear Power Station Cape Fear Power Station Cape Fear Power Station H. B. Robinson Power Station



Units 1 & 2 Stage Evaporation Ponds (STEP)



Colstrip



MT



High



1992



2006



Yes



Yes



No Yes



Yes



Yes



Yes 2005



2009



No



No



176



4370



88



PPL Montana LLC PPL Montana LLC PPL Montana LLC Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc



Units 3 & 4 Effluent Holding Pond (EHP) Colstrip Units 3 & 4 Scrubber Wash Tray Pond Colstrip Units 3 & 4 Bottom Ash Pond 1964 Pond 1982 Pond 1970 Pond 1978 Pond 1985 Pond Pond Colstrip Arden Arden Moncure Moncure Moncure Hartsville Wilmington Wilmington Goldsboro



MT MT MT NC NC NC NC NC SC NC NC NC



Low Low Low High High Low Significant Significant Low Low Low Low



1983 1983 1983 1964 1982 1970 1978 1985 1960 1971 1984 1980 1982, 2002 1983 1970, 2000, 2006 2006



Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes Yes unit provided water to wash No Yes tray Yes No temp storage



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



Yes 2005 No No No 11/2007 No 11/2007 No 7/2005 No 7/2005 No 7/2005 No 11/2008 No 2008 No 2008 Yes 12/2008



2009



No No



No No No



367 8 8



17000 85 38



138 10 14 CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim CBI Claim



2009



No No No No No No No No No No



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No



No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim No CBI Claim CBI Claim



L. V. Sutton Power Station 1971 Pond L. V. Sutton Power Station 1984 Pond Lee Power Station 1980 Pond



Company Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Progress Energy Carolinas Inc Salt River Proj Ag I & P Dist Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) Santee Cooper (South Carolina Pub Serv Auth) South Carolina Electric&Gas Co South Carolina Electric&Gas Co South Carolina Electric&Gas Co South Carolina Electric&Gas Co South Carolina Electric&Gas Co South Carolina Electric&Gas Co



Facility Mayo Power Station Roxboro Power Station Roxboro Power Station Roxboro Power Station W. H. Weatherspoon Power Station Coronado Power Station Cross Power Station Cross Power Station 1982 Pond



Unit



City Roxboro Semora Semora Semora Lumberton St. Johns Pinesville Pinesville Pinesville Conway Conway Moncks Corner Moncks Corner Georgetown Georgetown Georgetown Georgetown Georgetown Georgetown Canadys Canadys Beech Island Beech Island Eastover Eastover



State NC NC NC NC NC AZ SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC



1 Hazard Potential Significant Significant Significant Significant Low Significant None None None None None None None None None None None None None None None None None None None



2 Year Commissioned 1982 2008 1973 2008 1979 1979 1983 1995 1983 1966 1977 1970 1970 1975 1977 1980 1980 1980 1975 1989 1974 1977 1977 Early 1970's Early 1970's



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD Yes No 1986 Yes No 2004, 2007 Yes Yes No No No 1967 1990 Yes Yes Yes Yes 1977 Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes No Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No



3 Other Residuals



4 PE Design Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes No No



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No 6/2004 No 2008 No 12/2008 No 2008 No 2005 Yes 10/2008 Yes quarterly Yes quarterly Yes quarterly Yes quarterly Yes quarterly No No Yes quarterly No quarterly No quarterly No quarterly Yes quarterly No quarterly No 2007 No 1995 No No No 1994 No 1994 9/1/2008 12/1/2008 12/1/2008 12/1/2008 No



7 Significant Deficiencies



FGD Flush Pond Ash Pond FGD Settling Pond 1979 Pond Evaporation Pond/Dam Bottom Ash 1 Bottom Ash 2



No Yes Yes No



No Rebuild Liner No No No No No No No No No No No No No No No No No No No No No No No



No Yes Yes No



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical 9 Historical Releases Measures (acre) (acre ft) (ft) Releases Identified CBI No CBI Claim CBI Claim Claim No CBI Yes CBI Claim CBI Claim Claim Yes 2008 Pond Breach CBI No CBI Claim CBI Claim Claim No CBI No CBI Claim CBI Claim Claim No CBI Breach of an internal dike No CBI Claim CBI Claim Claim Yes 2001 No No No No No No No No No No No No No No No No No No No No 172 13 39 1 42 39 127 42 63 34 61 100 62 88 95 80 1 1 80 80 268 170 786 25 322 270 565 1190 1060 726 418 1000 1 4 1200 1200 745 23 170 53 18 14 6 7 13 20 10 31 12 22 30 32 24 20 12 14 8 24 24 No No No No No No No No No No No 2/14/08 Release of Yes wastewater - seal failure No No No No No No No No



Additional Data



Yes Yes other, process water Yes Yes No No



Cross Power Station Gypsum Pond Dolphus M. Grainger Power Station Ash Pond 1 Dolphus M. Grainger Power Station Ash Pond 2 Jefferies Power Station Jefferies Power Station Winyah Power Station Winyah Power Station Winyah Power Station Winyah Power Station Winyah Power Station Winyah Power Station Canadys Steam Power Station Canadys Steam Power Station Urquhart Generating Station Urquhart Generating Station Wateree Generating Station Wateree Generating Station WPS Energy Services Sunbury Generating Station Big Bend Power Station Big Bend Power Station Big Bend Power Station Big Bend Power Station Big Bend Power Station Big Bend Power Station Big Bend Power Station Big Bend Power Station Ash Pond A Ash Pond B Ash Pond B Slurry Pond 2 South Ash Pond Unit 3 & 4 Slurry Pond West Ash Pond Ash Pond A Active Ash Pond Inactive Ash Pond Ash Pond 2 Ash Pond 1 Ash Pond 2 Ash Pond 1



No Yes Yes Yes Yes Yes Yes No No No No No



No Yes Yes No



No Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No other No other No Other No Other No Other No Other



Sunbury Generation LLC Tampa Electric Co Tampa Electric Co Tampa Electric Co Tampa Electric Co Tampa Electric Co Tampa Electric Co Tampa Electric Co Tampa Electric Co



Residual Waste Ash Basin No. 1 Settling Pond North Bottom Ash North Economizer Ash Pond North Recycle Pond South Bottom Ash Pond South Economizer Ash Pond South Recycle Pond Longterm Flyash Pond



Shamokin Dam Apollo Beach Apollo Beach Apollo Beach Apollo Beach Apollo Beach Apollo Beach Apollo Beach Apollo Beach



PA FL FL FL FL FL FL FL FL



None Low Low Low Low Low Low Low Low



1949 2009 1984 1984 2009 1984 1984 2009 1984 2001 2001 2001 2001



No No No Yes No No Yes No No



Yes No Yes No No Yes No No No



No



No other, waste water sludge



No Yes Yes Yes Yes Yes Yes Yes Yes



No Yes Yes Yes Yes Yes Yes Yes Yes



No monthly No visual monthly No visual monthly No visual monthly No visual monthly No visual monthly No visual monthly No visual monthly No visual



1/1/2009 1/1/2009 1/1/2009 1/1/2009 1/1/2009 1/1/2009 1/1/2009 1/1/2009 1/1/2009



No No No No No No No No No



No No No No No No No No No



62 1 517 6 26 6 7 9 12 5 100 5 54



6 21 25 25 18 25 25 17 9



No No No No No No No No No (5)seep north of plant; also " TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspe (5)seep north of plant; also " TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspe (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes



No Yes Ash Residual No No No No Pyrite



No Yes Ash Residual No No No No Pyrite



No Yes Ash Residual No No Ash Residual



Tennessee Valley Authority Allen Fossil Plant



East Ash Disposal



Memphis



TN



Significant



1967



1978



Yes



No



No



No



Yes



Yes



Yes 2009



No



No



70



1240



20



No



Tennessee Valley Authority Allen Fossil Plant



East Ash Stilling Pond



Memphis



TN



Significant



1978



Yes



Yes



No



No



Yes



Yes



Yes 2009



No



No



23



180



20



No



Tennessee Valley Authority Bull Run Power Station



Gypsum Disposal Area 2A



Clinton



TN



Low



1981



2008



Yes



No



No Yes flows into fly ash pond



Yes



Yes



Yes 2009



No



No



42



1859



45



No



Tennessee Valley Authority Bull Run Power Station



Bottom Ash Disposal Area 1



Clinton



TN



Significant



1967



1980



No



Yes



No



No flows to fly ash pond



Yes



Yes



Yes 2009



No



No



32



543



52



No



Company



Facility



Unit



City



State



1 Hazard Potential



2 Year Commissioned



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD



3 Other Residuals



4 PE Design



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases



9 Historical Releases Identified



Tennessee Valley Authority Bull Run Power Station



Dry Fly Ash Disposal Area



Clinton



TN



None



1982



1990



Yes



No



No



No



Yes



Yes



Yes 2009



No



No



17



3099



60



No



Tennessee Valley Authority Bull Run Power Station



Fly Ash Pond & Stilling Basin Area 2



Clinton



TN



High



1967



1978, 1981



Yes



Yes



No



No



Yes



Yes



Yes 2009



No



No



49



1859



20



No



Additional Data (5)regrade top, regrade rip/rap, erosion south side active; also " TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has or (5)erosion south side; also " TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspec (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)joint seal RCP spillway; also " TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability i (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes



Tennessee Valley Authority Colbert Power Station



Disposal Area 5



Tuscumbia



AL



None



1983



1990



Yes



No



No



No potentially ammoniated



Yes



Yes



Yes 2009



No



No



75



5578



120



No



Tennessee Valley Authority Colbert Power Station



Disposal Area 5 Basin



Tuscumbia



AL



Significant



1983



Yes



No



No



No



Yes



Yes



Yes 2009



No



No



12



372



17



No



Tennessee Valley Authority Colbert Power Station



Ash Pond 4



Tuscumbia



AL



High



1972



1984



Yes



Yes



No



No



Yes



Yes



Yes 2009



No



No



45



1240



40



No



Tennessee Valley Authority Cumberland Fossil Plant



Ash Pond



Cumberland City



TN



High



1969



1979



Yes



Yes



No



No



Yes



Yes



Yes 2/2009



2009



No



No



50



1240



35



No



Tennessee Valley Authority Cumberland Fossil Plant



Dry Ash Stack



Cumberland City



TN



None



1969



Yes



Yes



No



No



Yes



Yes



Yes 2/2009



2009



No



No



110



8058



35



No



Tennessee Valley Authority Cumberland Fossil Plant



Gypsum Storage Area (North/South)



Cumberland City



TN



High



1969



1995



No



No



No Yes



Yes



Yes



Yes 2/2009



2009



No



No



170



12397



140



No



Tennessee Valley Authority Gallatin Power Stationlatin Stilling Pond B, C, D



Gallatin



TN



Significant



1970



1986



Yes



Yes



No



No



Yes



Yes



Yes 2008



2009



No



No



55



372



10



No



Tennessee Valley Authority Gallatin Power Stationlatin Bottom Ash Pond A



Gallatin



TN



Significant



1970



1986, 1994



No



Yes



No



No



Yes



Yes



Yes 2008



2009



No



No



269



4339



25



No



Tennessee Valley Authority Gallatin Power Stationlatin Fly Ash Pond E



Gallatin



TN



Significant



1970



1986, 2006



Yes



Yes



No



No



Yes



Yes



Yes 2008



2009



No



No



157



4339



30



No



Company



Facility



Unit



City



State



1 Hazard Potential



2 Year Commissioned



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD



3 Other Residuals



4 PE Design



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases



9 Historical Releases Identified



Additional Data (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes (5)" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has ordered TVA to conduct stability inspections at ALL of its Tenes



Tennessee Valley Authority John Sevier Power Station Dry Ash Stack



Rogersville



TN



None



1955



Yes



No



No



No



Yes



Yes



Yes 11/2007



2009



No



No



84



2479



101



No



Tennessee Valley Authority John Sevier Power Station Bottom Ash Pond



Rogersville



TN



Significant



1979



Yes



Yes



No



No



Yes



Yes



Yes 11/2007



2009



No



No



41



620



25



No



Tennessee Valley Authority Johnsonville Power Station Ash Disposal Area 2



New Johnsonville TN



Significant



1970



1978



Yes



Yes



No



No



Yes



Yes



Yes 11/2007



2009



No



No



87



2479



30



No



Tennessee Valley Authority Kingston Power Station



Main Ash Pond



Harriman



TN



Significant



1951



1968



Yes



Yes



No



No



Yes



Yes



Yes 10/2008



2009



No



No



92



8678



50



No



Tennessee Valley Authority Kingston Power Station



Stilling Pond



Harriman



TN



Significant



1978



Yes



Yes



No



No



Yes



Yes



Yes 10/2008



2009



No



No



29



290



50



No



Tennessee Valley Authority Paradise Power Station



Fly Ash Extension Area Pond



Drakesboro



KY



Low



1971



1997



Yes



No



No



No



Yes



Yes



Yes 10/2008



2009



No



No



203



3719



34



No



Tennessee Valley Authority Paradise Power Station



Scrubber Sludge Complex



Drakesboro



KY



Low



1986



Yes



No



No Yes



Yes



Yes



Yes 10/2008



2009



No



No



255



532



62



No



Tennessee Valley Authority Paradise Power Station



Slag Areas 2A & 2B



Drakesboro



KY



Low



1967



1970



No



Yes



No



No



Yes



Yes



Yes 10/2008



2009



No



No



27



600



24



No



ShawneeShawnee Power Tennessee Valley Authority Station



Ash Pond



West Paducah



KY



Significant



1952



1971, 1979



Yes



Yes



No



No



Yes



Yes



Yes 2/2009



2009



No



No



180



3099



25



No



ShawneeShawnee Power Tennessee Valley Authority Station



Consolidated Waste Dry Stack



West Paducah



KY



None



1984



2000



Yes



Yes



No



No



Yes



Yes



Yes 2/2009



2009



No



No



200



20454



100



No



Tennessee Valley Authority Watts Bar Fossil



Ash Pond 1 Stilling Basin



Rhea County



TN



Significant



1974



1977



Yes



Yes



No



No



Yes



Yes



Yes 2/2009



2009



No



No



14



143



30



No



Company



Facility



Unit



City



State



1 Hazard Potential



2 Year Commissioned



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD



3 Other Residuals



4 PE Design



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases



9 Historical Releases Identified



Additional Data (5)monitor seepage south perimeter dike next to stilling pond; also" TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other in 6: "State of Tennessee has (5)wet area at southern lower perimeter dike, seep in dike between stilling and pump ponds; also " TVA has retained a third party consultant, Stantee, to assess each facility's CCR Units; results may be completed by Apr 2009;(6)Tennessee note under other



Widows Creek Power Tennessee Valley Authority Station



Gypsum Stack (Wet Stacking Area)



Stevenson



AL



High



1986



1992



Yes



Yes



No Yes



Yes



Yes



Yes 10/2008



2009



No



No



110



11157



75



No



Tennessee Valley Authority Tri-State G & T Assn Inc Tri-State G & T Assn Inc Tri-State G & T Assn Inc Tri-State G & T Assn Inc Tri-State G & T Assn Inc Tri-State G & T Assn Inc Tri-State G & T Assn Inc Vectren Vectren Vectren Vectren Westar Energy Westar Energy Westar Energy Westar Energy Westar Energy Westar Energy Westar Energy Westar Energy Westar Energy Western Farmers Elec Coop Inc Western Farmers Elec Coop Inc Western Farmers Elec Coop Inc Western Farmers Elec Coop Inc Western Kentucky Energy Corp Western Kentucky Energy Corp Western Kentucky Energy Corp



Widows Creek Power Station Craig Power Station Craig Power Station Escalante Power Station Escalante Power Station Escalante Power Station Escalante Power Station Nucla Power Station



Ash Pond Concentrator Decant Basin #1 Concentrator Decant Basin #2 South Bottom Ash Pond Evaporation Pond 1 North Bottom Ash Pond Emergency Scrubber Pond Coal/Ash Settling Basin



Stevenson Craig Craig Prewitt Prewitt Prewitt Prewitt Nucla Evansville Evansville Newburgh Newburgh Saint Marys Saint Marys Saint Marys Lawrence Lawrence Lawrence Lawrence Tecumseh Tecumseh Fort Towson Fort Towson Fort Towson Fort Towson Hawesville Hawesville Hawesville



AL CO CO NM NM NM NM CO IN IN IN IN KS KS KS KS KS KS KS KS KS OK OK OK OK KY KY KY



Significant None None Low Significant Low None None Significant None None None None Significant None None None None None None None None None None None Low Significant None



1950 1978 1978 1984 1984 1984 1984 1997 1978 2002 1973 1960's mid 1980's 1978 early 1980's 1976 1969 1976 1969 1984 Pre 1980 1982 1982 1982 1982 2007-2008 1979 1971



2005



Yes No No No No No No Yes Yes



Yes Yes Yes Yes No Yes No Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes Yes No Yes Yes Yes



No No No No No No No No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No No No No No No No



Yes Yes Yes No Yes No Yes No FGD Belt wash, pyrites, No boiler cleanout No Plant make up water No FGD Belt Filter wash, other No FGD Belt Filter wash, other No No Yes Yes Yes Yes Yes No Other No Other No No No No No Other No No



Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No Yes Yes No No No No No No Yes Yes Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes Yes No Yes No No No No No No No No No No No Yes Yes Yes Yes Yes Yes No



Yes No No Yes Yes Yes Yes No



A. B. Brown Power Station Lower Dam A. B. Brown Power Station Upper Dam F. B. Culley Power Station East Pond F. B. Culley Power Station Jeffrey Energy Center Jeffrey Energy Center Jeffrey Energy Center Lawrence Energy Center Lawrence Energy Center Lawrence Energy Center Lawrence Energy Center Tecumseh Energy Center Tecumseh Energy Center Hugo Power Station Hugo Power Station Hugo Power Station Hugo Power Station Coleman Generating Station Coleman Generating Station Coleman Generating Station West Pond Bottom Ash Settling Pond Bottom Ash Lake Dam Bottom Ash Pond Dam Area 4 Area 2 Area 3 Area 1 Area 2 (Clear Pond) Area 1 (NPDES Ash Pond) North Fly Ash North Bottom Ash Unit South Bottom Ash South Fly Ash Unit New Ash Pond Ash Pond South Ash Pond



2007



No Yes Yes No No No Yes Yes Yes Yes No Yes Yes No No Yes Yes Yes Yes



10/2008 2009 9/30/2008 9/30/2008 2/2009 1/2009 2/2009 2/2009 9/23/2008 visual No daily visual No daily No No No No 9/2008 No 9/2008 No No No No No No No 1/2009 No 1/2009 No 1/2009 No 1/2009 No 3/24/2009 No 3/24/2009 No 3/24/2009 informal internal inspection No s informal internal inspection No s No No No



7/1/2003 7/1/2007 7/1/2003 11/19/2007 1/30/2008 1/30/2008



No No No No No No No No No No No No No No No No No No No No No



No No No No No No No No No No No No No No No No No No No No No No No No No No No No



310 0 0 13 2 13 1 0 53 103 7 0 52 117 72 14 10 18 5 1 2 18 34 34 18 64 23 20



11777 0 0



0



50 1 1 12 7 12 2 1 59 17



No No No No No No No No No No No No No No No No No No No No No No No No No No No No



372 364 352 80 262 185 155 273 70



0 0 22 22 22 13 13 13 13 0 0 30 11 11 27 34 33 15



2000



1980



8- Height Below Grade 8- Height Below Grade



3/1/2009 3/1/2009 3/1/2009 3/1/2009



No No No No No



332 344 344 332 2417 1043



4/3/2009



No No



Western Kentucky Energy Corp



R D Green



Ash Pond Dam #0980



Henderson



KY



Low



1978



No



Yes



No



No



Yes



No



12/1/2008



Past inspections required corrective No action on erosion



Yes



21



No



Western Kentucky Energy Corp Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy



Reid/Green/HMP&L Station Two NSP-M Minnesota Valley Plant NSP-M Minnesota Valley Plant NSP-M Minnesota Valley Plant NSP-M Minnesota Valley Plant NSP-W Bay Front Plant NSP-W Bay Front Plant PSCo Arapahoe Station PSCo Arapahoe Station PSCo Arapahoe Station PSCo Arapahoe Station PSCo Arapahoe Station PSCo Arapahoe Station PSCo Cameo Station PSCo Cameo Station PSCo Cherokee Station PSCo Cherokee Station PSCo Cherokee Station PSCo Cherokee Station PSCo Cherokee Station PSCo Cherokee Station PSCo Comanche Station PSCo Comanche Station



Ash Pond Pond 1 Pond 4 Pond 3 Pond 2 Surge Basin Polishing Pond Discharge Pond Emergency Pond South Ash Pond South Storm Water/Process Water Pond North Storm Water/Process Water Pond Ash Pump Pond Ash Silo Storm Water Retention Pond Process Water Retention Pond East Polishing Pond West Ash Pond Center Ash Pond East Ash Pond West Polishing Pond Emergency Spill Pond Ash Pond #2 Ash Pond #1



Robards Granite Falls Granite Falls Granite Falls Granite Falls Ashland Ashland Denver Denver Denver Denver Denver Denver Grand Junction Grand Junction Denver Denver Denver Denver Denver Denver Pueblo Pueblo



KY MN MN MN MN WI WI CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO CO



Significant None None None None None None None None None None None None None None None None None None None None None None



1971 Early 1950's 1975 1975 Early 1950's 1976 1976 1965 1965 1965 1965 1965 1950 About 1956 About 1956 1979 1957 1957 1957 1979 1979 1972 1972



Yes Yes Yes Yes Yes No No No No No No No No Yes Yes No Yes Yes Yes No No No No



Yes Yes Yes Yes Yes No No Yes Yes Yes Yes Yes No Yes Yes No Yes Yes Yes No No No No



No Yes No No No No Yes Yes No No No No No No No No No Yes Yes Yes No No No No No No No No No No No Other No No No No No Other No No No Yes Yes Yes No No Yes Yes



No No No No No Yes Yes No No No No No No No No No No No No No No Yes Yes



No No No No No No No No No No No No No No No No No No No No No Yes Yes



12/1/2008



No No No No No No No No No No No No No No No No No No No No No No No



No No No No No No No No No No No No No No No No No No No No No No No 1 1 1 1 0 0 1 2 1 1 1 0 0 0 1 0 0 0 1 0 2 2 7 7 7 7 1 3 7 12 14 14 8 4 1 2 16 8 10 8 16 0 12 12



39 12 9 9 12 10 8 0 0 0 0 0 0 12 0 0 0 0 0 0 8 0 0



No No No No No No No No No No No No No No No No No No No No No No No



No No No No No No No No No No No No No No No No No No No



8- height below grade 8- height below grade 8- height below grade 8- height below grade 8- height below grade 8- height below grade



Other



Other Other Other Other



8- height below grade 8- height below grade 8- height below grade 8- height below grade 8- height below grade 8- height below grade



Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy



PSCo Comanche Station PSCo Comanche Station PSCo Comanche Station PSCo Hayden Station PSCo Hayden Station PSCo Hayden Station PSCo Hayden Station PSCo Hayden Station



Polishing Pond (#4) Ash Disposal Facility (ADF) Stormwater Retention Pond Ash Pond #3 Common Wet Ash Settling Basin Fly Ash Decant Basin Intermediate Quality Pond High Quality Pond High Quality Skimmer Pond



Pueblo Pueblo Pueblo Hayden Hayden Hayden Hayden Hayden



CO CO CO CO CO CO CO CO



None None None None None Low Low Low



1972 1987 1972 1992 1992 1975 1975 1975



No Yes No Yes Yes Yes Yes Yes



Yes Yes Yes Yes Yes Yes Yes Yes



No Yes No Yes Other No No No Yes No Yes No Yes No Yes No Yes



Yes Yes Yes No No Yes Yes Yes



Yes Yes Yes No No Yes Yes Yes



No No No No No No No Yes 5/9/2007 5/9/2007 5/9/2007



No No No No No Crest grading, vegetation and rodent No control Crest grading, vegetation and rodent No control Crest grading, vegetation and rodent No control



No No No No No Yes Yes Yes



2 1 2 0 0 20 4 1



12 8 12 0 0 274 1 2



0 0 0 0 0 22 15 19



8- height below grade 8- height below grade April 9, 2007- between 2,000-3,000 gallons spilled Yes from a broken pipe 8- height below grade No No No No No No No 8- height below grade 8- height below grade 8- height below grade 8- height below grade



Company Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy Xcel Energy



Facility PSCo Hayden Station PSCo Pawnee Station PSCo Pawnee Station PSCo Pawnee Station PSCo Pawnee Station PSCo Pawnee Station PSCo Pawnee Station PSCo Pawnee Station PSCo Valmont Station PSCo Valmont Station PSCo Valmont Station



Unit Ash Disposal Facility (ADF) Contact Storm Water Pond Evaporative Pond C New Bottom Ash Water Recovery Pond Bottom Ash Disposal Pond Ash Water Recovery Pond Evaporative Pond B Ash Disposal Facility (ADF) Intermediate Quality (IQ) Water Pond



City Hayden Brush Brush Brush Brush Brush Brush Brush



State CO CO CO CO CO CO CO CO CO CO CO



1 Hazard Potential None Low None None None Low None Low None None None



2 Year Commissioned 1983 1980 2005 1980 1980 1980 Late 1970's 1980 1993 1964 1964



3 3 2 3 Fly Bottom Boiler 3 Expansion(s) Ash Ash Slag FGD Yes No No No No No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes No Yes No No No No No No No No No No No



3 Other Residuals



4 PE Design No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes



5 Last 5 Next Company Company 6 Last 6 Next 7 Significant 4 PE 4 PE Assessm Assessm Regulatory Regulatory Deficiencies Constructed Monitored ent ent Inspection Inspection Identified No No No No No No No No No No No No No No No No No No No No No No 12/2008 12/2008 No



7 Significant Deficiencies



7 8 Surface 8 Storage 8 Unit 9 Corrective Area Capacity Height Historical Measures (acre) (acre ft) (ft) Releases No No No No No No No No No No No 1 10 6 13 1 15 34 4 0 1 1 4 54 32 75 5 71 1349 22 0 16 16 0 13 16 10 0 13 0 21 0 0 0 No No No No No No No No No No



9 Historical Releases Identified



Additional Data 8- height below grade



Dec 2008- Liner damage, road Yes erosion , no pond gage rods No No No Dec 2008- Road erosion, no pond Yes gage rods No No No No No



8 - height below grade



No No other No



8 - height below grade



2002



Coal Pile Stormwater Runoff Pond Boulder East Ash Settling Pond Boulder West Ash Settling Pond Boulder



No Yes No Yes No Yes



8 - height below grade 8 - height below grade 8 - height below grade



Feb 14, 2008 - 25 cu yd Yes spill of bottom ash slurry