Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Amon G Carter Dam Montague	High Hazard	80 ft	1956	Earth	Texas
Amos Campbell	Low Hazard	11 ft	1914	Earth	Wyoming
Anasagunticook Oxford	Significant Hazard	11 ft	1900	Concrete	Maine
Anchor Lake Dam Coryell	Low Hazard	23 ft	1969	Earth	Texas
Anderson Santa Clara	High Hazard	240 ft	1950	Rockfill	California
Anderson #1 Mesa	Significant Hazard	26 ft	1963	Earth	Colorado
Anderson #2 Mesa	Significant Hazard	23 ft	1974	Earth	Colorado
Anderson #6 Mesa	Low Hazard	18 ft	1929	Earth	Colorado
Anderson Creek Clearfield	High Hazard	42 ft	1903	Earth	Pennsylvania
Anderson Dam Gadsden	Significant Hazard	25 ft	—	Earth	Florida
Anderson Home Tank Dam Borden	Low Hazard	40 ft	1962	Earth	Texas
Anderson Ranch Nevada	Low Hazard	47 ft	1989	Earth	California
Anderson Tobacco Tank Dam Borden	Low Hazard	20 ft	1964	Earth	Texas
Andrew Cademartori Calaveras	High Hazard	80 ft	1983	Earth	California
Andrews Lake Dam San Jacinto	Low Hazard	20 ft	1957	Earth	Texas
Andrews Water Supply Dam Cherokee	High Hazard	—	1986	Earth	North Carolina
Angwin Napa	High Hazard	35 ft	1967	Earth	California
Annadel No. 1 Sonoma	High Hazard	67 ft	1956	Earth	California
Antelope Carbon	Low Hazard	18 ft	1945	Earth	Wyoming
Antelope Grand	Low Hazard	40 ft	1915	Earth	Colorado
Antelope Plumas	High Hazard	113 ft	1964	Earth	California
Antelope Field Lake Dam Clay	Low Hazard	16 ft	1964	Earth	Texas
Antelope Lake Dam Robertson	Low Hazard	47 ft	1976	Earth	Texas
Antero Park	High Hazard	39 ft	1909	Earth	Colorado
Anthony House Nevada	High Hazard	75 ft	1970	Earth	California
Antietam Adams	High Hazard	70 ft	1953	Earth	Pennsylvania
Antioch Reservoir Contra Costa	High Hazard	30 ft	1935	Earth	California
Antler Creek Dam Bottineau	Low Hazard	20 ft	1962	Earth	North Dakota
Antwerp Dam #2 Jefferson	Low Hazard	13 ft	1925	Concrete	New York
Antwerp Village Dam Jefferson	Low Hazard	12 ft	1909	Concrete	New York
Apalache Millpond Dam Spartanburg	High Hazard	45 ft	1904	—	South Carolina
Apex Lake Dam Wake	High Hazard	—	1968	Earth	North Carolina
Apopka-Beauclair Lock and Dam Lake	Low Hazard	9 ft	—	Earth	Florida
Appalachee Pond Lincoln	High Hazard	16 ft	1922	Earth	Maine
Appleton City Lake Dam Bates	High Hazard	30 ft	1936	Earth	Missouri
Aquia Creek Dam Stafford	High Hazard	81 ft	—	Earth	Virginia
Aquilla Dam Hill	High Hazard	104 ft	1983	Earth	Texas
Araujo Reservoir No. 1 Napa	High Hazard	39 ft	1950	Earth	California
Arbuckle Murray	High Hazard	150 ft	1965	Earth	Oklahoma
Arbuckle Dike 1 Murray	High Hazard	25 ft	1966	Gravity	Oklahoma
Arbuckle Dike 2 Murray	High Hazard	15 ft	1966	Gravity	Oklahoma
Arcadia Dam Oklahoma	High Hazard	102 ft	1986	Earth	Oklahoma
Arch Johnson	Low Hazard	30 ft	1949	Earth	Wyoming
Archbold Upground Reservoir No. 1 Fulton	High Hazard	15 ft	1957	Earth	Ohio
Archbold Upground Reservoir No. 2 Fulton	High Hazard	22 ft	1961	Earth	Ohio
Archer City Lake Dam Archer	High Hazard	24 ft	1911	Earth	Texas
Ardmore City Lake Carter	Low Hazard	40 ft	1910	Earth	Oklahoma
Arentsen Pond 2 Dam Hamilton	Low Hazard	15 ft	1976	Earth	Illinois
Argyle Lake Dam McDonough	Significant Hazard	58 ft	1949	Earth	Illinois
Argyle No. 2 Contra Costa	High Hazard	27 ft	1970	Other	California