Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Castaic Los Angeles	High Hazard	340 ft	1973	Earth	California
Castro Reservoir Malheur	Low Hazard	—	1982	Gravity	Oregon
Catawba Reservoir No 2 Lancaster	Low Hazard	100 ft	—	—	South Carolina
Catawba Timber CO Dam Kershaw	Low Hazard	12 ft	1955	—	South Carolina
Cat Creek Mineral	High Hazard	100 ft	1932	Arch	Nevada
Catfish Lake Dam Anderson	Low Hazard	18 ft	1974	Earth	Texas
Catfish Pond Dam Hempstead	Low Hazard	20 ft	1968	Earth	Arkansas
Caucomgomoc Lake Piscataquis	Low Hazard	16 ft	1981	Earth	Maine
Cave Hollow Fayette	High Hazard	29 ft	1926	Earth	Pennsylvania
Cawthorn Lake Dam Brazos	Low Hazard	20 ft	1950	Earth	Texas
Cecil White Lake Dam Pulaski	Low Hazard	—	1955	Earth	Arkansas
Cedar Bluff Trego	High Hazard	202 ft	1951	Earth	Kansas
Cedar Creek Flathead	High Hazard	86 ft	1971	Earth	Montana
Cedar Creek Dam Madison	Significant Hazard	50 ft	1939	Earth	Iowa
Cedar Creek Dam Franklin	High Hazard	96 ft	1979	Earth	Alabama
Cedar Creek Reservoir Anderson	High Hazard	70 ft	—	Rockfill	Kansas
Cedar Grove North Res Dam Passaic	High Hazard	51 ft	1903	Earth	New Jersey
Cedar Grove South Res Dam Essex	High Hazard	51 ft	1903	Earth	New Jersey
Cedar Grove West Res Dam Essex	High Hazard	55 ft	1903	Earth	New Jersey
Cedar Lake San Bernardino	High Hazard	28 ft	1928	Arch	California
Cedar Lake Jackson	Low Hazard	33 ft	—	Earth	Kansas
Cedar Lake Dam Canadian	High Hazard	45 ft	1959	Earth	Oklahoma
Cedar Lake Dam Jackson	High Hazard	74 ft	1974	Earth	Illinois
Cedar Lake (Old Olathe Lake) Johnson	High Hazard	39 ft	1931	Earth	Kansas
Cedar-Piney Site 1 Yell	High Hazard	64 ft	1973	Gravity	Arkansas
Cedar Pond Dam Passaic	Low Hazard	8 ft	1920	Earth	New Jersey
Cedar Rapids Milldam Iel&P Linn	Low Hazard	8 ft	1967	Gravity	Iowa
Cedar Run Dam #3 Fauquier	High Hazard	55 ft	—	Earth	Virginia
Cedars Lock and Dam Outagamie	High Hazard	—	1934	Concrete	Wisconsin
Cedar Springs San Bernardino	High Hazard	249 ft	1971	Earth	California
Cedarville Dam Allen	High Hazard	27 ft	1953	Earth	Indiana
Celeryville Upground Reservoir Crawford	High Hazard	22 ft	1965	Earth	Ohio
Cellu Company Dam Hartford	Significant Hazard	12 ft	1950	Earth	Connecticut
Centennial Mendocino	High Hazard	62 ft	1990	Earth	California
Center Dam Elk	Low Hazard	34 ft	—	Earth	Kansas
Center Falls Washington	Low Hazard	28 ft	1909	Concrete	New York
Center Hill Dam DeKalb	High Hazard	—	1951	Other	Tennessee
Center Realty No. 1 Converse	Low Hazard	37 ft	1955	Earth	Wyoming
Central Alameda	High Hazard	55 ft	1910	Earth	California
Central Bridge Reservoir #2 Dam Schoharie	Significant Hazard	12 ft	1880	Earth	New York
Central Bridge Reservoir Dam Schoharie	Significant Hazard	9 ft	1880	Rockfill	New York
Central Coal&Coke Corp Lake Dam Macon	Low Hazard	15 ft	1897	Earth	Missouri
Central Holding Co. Dam Carroll	Low Hazard	38 ft	1988	Earth	Iowa
Centralia Power Plant Surge Pond Dam Lewis	Low Hazard	—	1971	Earth	Washington
Central Illinois Public Service Company Lake Dam Effingham	Significant Hazard	35 ft	1930	Earth	Illinois
Central Stone CO Dam Ralls	Low Hazard	30 ft	1955	Earth	Missouri
Central Stone CO Lake Dam Monroe	Low Hazard	25 ft	—	Earth	Missouri
Central Street Dam Middlesex	High Hazard	24 ft	1900	Rockfill	Massachusetts
Century Los Angeles	Significant Hazard	44 ft	1913	Arch	California
Cerrillos Dam Ponce	High Hazard	323 ft	1992	Rockfill	Puerto Rico