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High Risk Dams in South Carolina

South Carolina has 156 high hazard dams with a condition assessment of poor or unsatisfactory. These are dams where failure would probably cause loss of human life and where recognized safety deficiencies have been identified.

Of the 644 high hazard dams in South Carolina, 156 (24%) have concerning condition ratings — 142 rated poor and 14 rated unsatisfactory.

Condition scale, best to worst
  1. Satisfactory No existing or potential safety deficiencies recognized; acceptable performance expected under all loading conditions.
  2. Fair No deficiencies under normal operating conditions; a rare flood or earthquake could create one.
  3. Poor A safety deficiency is recognized under normal operating conditions; remedial action is necessary.
  4. Unsatisfactory Worst rating. The dam is considered unsafe; a deficiency requires immediate or emergency remedial action.

"Not rated" means no assessment is on file in the National Inventory of Dams.

DamCountyHeight (ft)ConditionLast inspectedPurposeYear
Lake Lanier DamGreenville55Poor07/27/20233 yrs agoRecreation1923
Chattooga Lake DamOconee55Poor08/30/20224 yrs agoRecreation1954
Silver Lake DamSpartanburg52Poor04/15/20242 yrs agoRecreation1948
Finleys Lake DamPickens48Poor03/21/20242 yrs agoFlood Risk Reduction1956
Weston LakeRichland48Unsatisfactory03/24/20215 yrs agoRecreation1971
Parkins Lake DamGreenville45Poor08/22/20233 yrs agoRecreation1953
Lake Columbia DamRichland45Poor02/26/20242 yrs agoIrrigation1963
Jb Tankersley Pond DamGreenville43Poor10/19/20232 yrs agoRecreation1954
Caldwell Lake DamYork43Unsatisfactory11/21/20232 yrs agoRecreation1963
Curltail DamGreenwood41Poor06/11/20242 yrs agoFire Protection, Stock, Or Small Fish Pond1993
Upper Golden Hills DamLexington40Poor04/24/20233 yrs agoRecreation
Ranken Pond DamAnderson40Poor02/03/20233 yrs agoRecreation1949
Greenwood West Pond DamAbbeville37Poor02/22/20233 yrs agoRecreation1989
Heritage Lake DamYork34Poor12/04/20232 yrs agoRecreation1980
Fogle Dam 1Orangeburg34Poor11/13/20241 yr agoRecreation1961
Dickerson Fishing LakeOconee33Poor10/17/20232 yrs agoRecreation
Tb Pierce Pond DamSpartanburg33Poor03/10/20233 yrs agoRecreation1962
Batesburg Reservoir DamLexington32Poor06/26/20233 yrs agoRecreation1935
Clark Lake DamRichland32Poor11/19/20241 yr agoIrrigation1965
Sandhill Rec Pond DamRichland31Poor12/12/20241 yr agoIrrigation1955
Creekside East Pond DamGreenwood29Poor05/22/20242 yrs agoRecreation1985
Capers Pond DamEdgefield29Poor11/25/20241 yr agoOther1950
Griffith Pond DamCalhoun28Poor01/25/20233 yrs agoRecreation1965
Arrowhead Lake DamSpartanburg28Poor12/04/20232 yrs agoRecreation
Shannon Lake DamGreenville27Poor05/07/20242 yrs agoRecreation1963
Lake Chinquapin DamGreenwood27Poor12/04/20241 yr agoRecreation1960
Andrew Jackson State Park LakeLancaster27Poor07/16/20242 yrs agoRecreation1968
Granger Pond DamOrangeburg27Poor10/25/20232 yrs agoRecreation1962
Sweetwater Lake DamCalhoun27Poor04/30/20242 yrs agoRecreation1969
T Ragan DamSpartanburg27Poor12/18/20241 yr agoRecreation1972
West Lake Farms DamRichland26Poor04/04/20242 yrs agoRecreation1989
Lamb Pond DamAiken26Poor01/31/20242 yrs agoRecreation
Anne Parks Short Branch DamGreenville26Poor01/06/20233 yrs agoFish and Wildlife Pond1953
Shealy Pond DamLexington26Poor09/27/20224 yrs agoRecreation1900
William Evatt DamPickens26Poor06/08/20224 yrs agoRecreation1955
Chester State Park DamChester26Poor03/22/20242 yrs agoRecreation1936
Eureka Lake DamChesterfield25Poor03/24/20233 yrs agoRecreation1937
Flat Rock Pond DamAiken25Poor07/07/20233 yrs agoOther1920
Barbara Barnette DamGreenwood25Poor06/11/20242 yrs agoRecreation1955
Joe Daves DamYork25Poor02/21/20233 yrs agoRecreation1948
Chapin Park DamLexington25Poor07/25/20224 yrs agoRecreation1978
Summit Dam 6Richland24Poor05/26/20233 yrs agoFlood Risk Reduction1994
Booker's Lake DamOconee24Poor10/03/20233 yrs agoRecreation1948
Small Upper Mountain LakeChester24Poor08/13/20242 yrs agoRecreation1945
Ea Fogles Pond DamOrangeburg24Poor04/19/20233 yrs agoRecreation1950
Moss Grove Plantation Dam 1Berkeley24Poor10/03/20233 yrs agoRecreation1965
Livingstons Lake DamOrangeburg23Poor02/13/20242 yrs agoRecreation1954
Woodlake DamRichland23Poor04/18/20233 yrs agoRecreation1987
Whiteford Lake DamLexington23Poor06/22/20233 yrs agoRecreation1989
Lower York Reservoir DamYork23Poor08/13/20242 yrs agoWater Supply1926
James a Thompson Dam 1Chester23Poor02/16/20224 yrs agoRecreation1950
Forest Lake DamYork23Poor07/16/20242 yrs agoRecreation1955
Paradise Pond DamCalhoun23Poor04/16/20242 yrs agoRecreation1970
Lower Santee Shores DamOrangeburg23Poor01/04/20233 yrs agoRecreation1964
G Lanford Pond DamSpartanburg23Poor08/21/20233 yrs agoRecreation1955
Gramling Pond 1 DamSpartanburg23Poor11/20/20241 yr agoIrrigation1971
Sudlow Lake DamAiken23Poor11/25/20241 yr agoRecreation1915
Nine Times DamPickens22Poor12/13/20232 yrs agoRecreation1990
Lightizer Pond DamCalhoun22Poor10/15/20241 yr agoRecreation1942
Moon Lake DamGreenville22Poor03/24/20233 yrs agoFire Protection, Stock, Or Small Fish Pond1969
Arcadia Woods Lake DamRichland22Unsatisfactory04/17/20242 yrs agoRecreation1937
Tifton Drive East DamGreenwood22Poor09/14/20224 yrs agoRecreation
Parris Bridge Road DamSpartanburg21Poor03/11/20242 yrs agoRecreation
Smoak Pond DamOrangeburg21Poor04/11/20233 yrs agoRecreation
Little Coldstream DamLexington21Poor03/22/20233 yrs agoRecreation1940
Town Pond DamChesterfield20Poor04/10/20242 yrs agoWater Supply1940
Lincolnshire Homeowners DamRichland20Poor08/21/20206 yrs agoRecreation1956
Upper York Reservoir DamYork20Poor11/21/20232 yrs agoWater Supply1926
Large Upper Mountain LakeChester20Poor08/13/20242 yrs agoRecreation1945
Barnwell State Park Lower DamBarnwell20Poor06/03/20242 yrs agoOther1950
Charlotte Bourne DamMarlboro20Poor12/07/20232 yrs agoRecreation1950
E Cauldwell Pond DamSpartanburg20Poor01/30/20233 yrs agoRecreation1952
Shimmy's Pond DamRichland20Poor10/26/20223 yrs agoRecreation
J R Darragh Dam 1Greenwood20Poor04/26/20242 yrs agoRecreation1956
Kirkley Small Pond DamChesterfield19Poor06/12/20242 yrs agoRecreation1969
Edgar a Brown Lake DamBarnwell19Poor06/05/20242 yrs agoRecreation1964
Sutcliffe Pond DamOrangeburg19Poor04/11/20233 yrs agoRecreation
Herlongs Pond DamSaluda19Poor05/25/20233 yrs agoFire Protection, Stock, Or Small Fish Pond1962
Upper Sunny Hill Pond DamKershaw19Poor07/08/20242 yrs agoRecreation1969
Springwood Lake DamRichland19Unsatisfactory10/20/20232 yrs agoRecreation1954
Don Taylor DamKershaw19Poor02/28/20242 yrs agoRecreation1972
Ray Campbell DamAiken19Poor05/01/20233 yrs agoRecreation1968
Lake Wallace DamMarlboro19Unsatisfactory05/13/20242 yrs agoIrrigation1955
Lake Princeton DamLexington18Poor04/25/20224 yrs agoRecreation
Neels PondNewberry18Poor11/15/20232 yrs agoRecreation1955
Gressettes Pond DamOrangeburg18Poor11/08/20223 yrs agoRecreation1952
Burnt Factory Pond DamMarlboro18Poor12/16/20223 yrs agoOther1836
Moores Pond DamRichland18Poor05/23/20242 yrs agoIrrigation1968
R Milliken Pond 1 DamSpartanburg18Poor02/21/20233 yrs agoRecreation1955
Second Millpond DamSumter17Poor06/20/20233 yrs agoRecreation1900
Bruce Lake DamGreenville17Unsatisfactory02/16/20242 yrs agoRecreation1948
Gressett Pond DamCalhoun17Poor03/05/20242 yrs agoRecreation1958
Chatham Lake DamChesterfield17Poor03/30/20233 yrs agoRecreation1978
Harbison Floodwater Detention DamRichland17Poor11/18/20241 yr agoFlood Risk Reduction1983
Edna Yon DamAiken17Poor07/10/20233 yrs agoRecreation1962
Lake Pauline DamLexington17Poor09/21/20224 yrs agoRecreation1910
Fort Pond DamLexington17Unsatisfactory02/22/20215 yrs agoRecreation1910
Capers Millpond DamAiken16Poor03/19/20242 yrs agoFire Protection, Stock, Or Small Fish Pond1931
Morange Pond DamLexington16Unsatisfactory08/25/20215 yrs agoRecreation1935
Norris DamDarlington16Poor01/10/20242 yrs agoRecreation1958
Hermitage Mill Pond DamKershaw16Poor06/22/20233 yrs agoRecreation1935
Speigners Pond DamCalhoun16Poor02/28/20242 yrs agoRecreation1958
Peter Buyck's House Pond DamCalhoun16Poor02/15/20233 yrs agoRecreation1960
Allsbrook Pond DamHorry16Poor10/27/20223 yrs agoRecreation1955
Barnetts Pond DamSumter16Poor02/02/20233 yrs agoFire Protection, Stock, Or Small Fish Pond1955
Lake Satoko DamBerkeley16Poor10/19/20223 yrs agoRecreation1973
Sturm DamAiken16Poor08/30/20233 yrs agoRecreation1972
Pinewood Lake DamRichland15Unsatisfactory05/09/20233 yrs agoRecreation1900
Eugene and Michele Miller DamOrangeburg15Poor09/27/20224 yrs agoRecreation1930
Folks Lower Pond DamBarnwell15Poor09/10/20242 yrs agoRecreation1955
Lake Florence DamAiken15Unsatisfactory05/08/20233 yrs agoRecreation1960
W B Manuel DamAllendale15Poor10/04/20224 yrs agoIrrigation
Teals Pond DamChesterfield15Poor10/20/20223 yrs agoIrrigation1947
Glenn Pond Dam 2Anderson15Poor02/20/20242 yrs agoRecreation1966
Drexel Lake DamRichland14Poor05/15/20242 yrs ago
Ruesch Pond DamOrangeburg14Poor06/06/20233 yrs agoRecreation1962
Livingstons Pond DamOrangeburg14Poor02/13/20242 yrs agoRecreation1964
Whaley Pond DamBerkeley14Poor04/25/20233 yrs agoRecreation1975
Upper Windsor Lake DamRichland14Poor06/02/20224 yrs agoRecreation1965
Moss Grove Plantation DamBerkeley14Poor10/03/20233 yrs agoRecreation1988
Brady Porth DamLexington13Poor03/17/20233 yrs agoIrrigation
Praters Pond DamOrangeburg13Unsatisfactory10/31/20232 yrs agoRecreation1965
Folks Upper Pond DamBarnwell13Poor11/15/20223 yrs agoRecreation1962
King Millpond DamChesterfield13Poor03/26/20242 yrs agoOther1900
Longbranch LLC Duck Pond DamRichland13Poor10/31/20232 yrs agoRecreation
Adams Millpond DamKershaw13Poor02/26/20242 yrs agoRecreation1890
Driggers Pond DamMarlboro13Poor06/20/20233 yrs agoRecreation1966
Denny Pond DamLee12Poor11/14/20232 yrs agoRecreation1957
James a Thompson Dam 2Chester12Poor02/16/20224 yrs agoRecreation1950
Becker Pond DamMarlboro12Poor11/17/20223 yrs agoDebris Control1950
Northside Country Club DamOrangeburg12Poor11/18/20241 yr agoRecreation1960
Derrenbacher Pond DamCalhoun12Poor10/12/20223 yrs agoRecreation1965
Charles Luthers DamDarlington12Poor03/16/20233 yrs agoOther1900
Doggish Pond DamEdgefield12Poor08/20/20242 yrs agoRecreation
Beaufort-jasper Water Sewer Authority Dam 1Jasper11Poor01/11/20242 yrs ago
Bullards Millpond DamMarlboro11Poor12/15/20232 yrs agoRecreation
Woodrow Smith DamHorry11Poor07/24/20242 yrs agoRecreation1950
Laurel Meadows Drive DamLexington11Poor06/22/20233 yrs agoRecreation
John Ballentine DamBerkeley11Poor10/24/20232 yrs agoRecreation1970
Silver Lake DamLexington11Poor02/24/20233 yrs agoFish and Wildlife Pond1938
Barr Lake DamLexington11Poor09/17/20242 yrs agoRecreation1900
Kimberton Avenue DamBerkeley11Poor04/25/20233 yrs agoRecreation
Mcgrady DamColleton10Unsatisfactory05/08/20242 yrs agoRecreation
Dubose Pond DamSumter10Poor01/30/20233 yrs agoRecreation1955
Martin Duck Pond DamHorry10Poor06/20/20233 yrs agoRecreation1960
Allan's Mill Subdivision Pond 1 DamRichland10Unsatisfactory09/03/20242 yrs agoRecreation
Coastal Timber Co DamHorry9Poor03/23/20233 yrs agoRecreation1970
Longbranch LLC Fish Pond DamRichland9Poor10/31/20232 yrs agoRecreation
Barnwell State Park Upper DamBarnwell9Poor06/03/20242 yrs agoRecreation
Mirror Lake DamRichland9Poor05/24/20242 yrs agoRecreation1940
Spiveys Millpond DamDillon8Poor06/20/20233 yrs agoRecreation1810
Grants Millpond DamMarlboro7Poor12/15/20223 yrs agoOther1950
Baxley 501 Pond DamMarion7Poor08/15/20242 yrs agoRecreation1953
Beaverdam Millpond DamDarlington7Poor07/26/20233 yrs agoOther1800
Canal Industries Pond DamFlorence6Poor04/12/20233 yrs agoRecreation1965
Huffstetler Pond DamLexington5Unsatisfactory08/16/20242 yrs agoRecreation

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