Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Corder Lake Dam Uvalde	Low Hazard	15 ft	1971	Earth	Texas
Core Creek (Pa-620) Bucks	High Hazard	47 ft	1976	Earth	Pennsylvania
Cork Center Storage Reservoir Dam Fulton	High Hazard	49 ft	1919	Earth	New York
Corn Creek Dam Mellette	Significant Hazard	29 ft	1935	Earth	South Dakota
Cornett Mendocino	Significant Hazard	31 ft	1974	Earth	California
Corning Reservoir Dam Adams	Significant Hazard	30 ft	1917	Earth	Iowa
Cornish Creek Reservoir Dam Newton	High Hazard	47 ft	1991	Earth	Georgia
Cornwall Upper Reservoir Dam Orange	High Hazard	33 ft	1912	Earth	New York
Corral Tehama	Low Hazard	31 ft	1959	Earth	California
Corte Madera San Diego	Low Hazard	16 ft	1919	Earth	California
Cortez #1 Montezuma	Significant Hazard	38 ft	1938	Earth	Colorado
Cortez Hills Dam Fresh Water Reservoir Lander	Low Hazard	50 ft	2009	Earth	Nevada
Cortez Water Storage Dam Lander	Low Hazard	17 ft	1990	Earth	Nevada
Cotton Lake Dam Van Zandt	Significant Hazard	16 ft	1970	Earth	Texas
Cottonwood #1 Mesa	High Hazard	31 ft	1894	Earth	Colorado
Cottonwood #2 Mesa	Significant Hazard	17 ft	1895	Earth	Colorado
Coulter Lake Dam Sevier	Low Hazard	—	1953	Earth	Arkansas
Coulterville City Reservoir Dam Randolph	Low Hazard	15 ft	1939	Earth	Illinois
Council Grove City Lake Dam Morris	High Hazard	75 ft	1942	Earth	Kansas
Council Grove Dam Morris	High Hazard	96 ft	1964	Earth	Kansas
Country Club Lake Atoka	Low Hazard	40 ft	1920	Earth	Oklahoma
County Line Tank Dam Frio	Low Hazard	14 ft	1968	Earth	Texas
County Tank Dam Borden	Low Hazard	25 ft	1964	Earth	Texas
Courtyards At Kildaire Scm Dam A Wake	High Hazard	—	2019	Earth	North Carolina
Courtyards At Kildaire Scm Dam B Wake	High Hazard	—	2019	Earth	North Carolina
Cove Moffat	Low Hazard	21 ft	1950	Earth	Colorado
Covington City Lake Dam Newton	Low Hazard	32 ft	1940	Earth	Georgia
Covington Dam (North) Campbell	Significant Hazard	22 ft	1936	Earth	Kentucky
Covington Dam (South) Campbell	Significant Hazard	22 ft	1936	Earth	Kentucky
Covington Las Holding Dam Newton	High Hazard	70 ft	2003	Earth	Georgia
Cowanesque Dam Tioga	High Hazard	151 ft	1980	Rockfill	Pennsylvania
Cowans Ford Mecklenburg	High Hazard	134 ft	1963	Concrete	North Carolina
Cowee Pond Dam Worcester	High Hazard	15 ft	1900	Concrete	Massachusetts
Cox Lake Dam Anderson	Low Hazard	16 ft	1974	Earth	Texas
Cox Lake Dam Navarro	Low Hazard	30 ft	1951	Earth	Texas
Cox Reservoir Windsor	Significant Hazard	20 ft	1930	Earth	Vermont
Coxsackie Reservoir #2 Dam Greene	Low Hazard	30 ft	1950	Concrete	New York
Coxsackie Reservoir Dam Greene	Significant Hazard	31 ft	1940	Earth	New York
Coxs Creek Dam Calhoun	Low Hazard	20 ft	1956	Earth	Texas
Coyote Santa Clara	High Hazard	140 ft	1936	Earth	California
Coyote Creek Lake	High Hazard	92 ft	1968	Earth	California
Coyote Den Sheridan	Low Hazard	31 ft	1965	Earth	Wyoming
Coyote Flat Lassen	Significant Hazard	52 ft	1928	Earth	California
Coyote Percolation Santa Clara	High Hazard	24 ft	1934	Buttress	California
Coyote Valley Dam Mendocino	High Hazard	164 ft	1959	Earth	California
Craft Lake Dam Jack	Low Hazard	30 ft	1964	Earth	Texas
Crafton Hills San Bernardino	High Hazard	95 ft	2001	Earth	California
Craig Holding & Evaporation Ponds Moffat	Significant Hazard	40 ft	1978	Earth	Colorado
Craig Lake Dam Harrison	Low Hazard	32 ft	1956	Earth	Missouri
Craig Raw Water Moffat	Significant Hazard	58 ft	1961	Earth	Colorado