Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Atlanta Reservoir Dam No. 1 Fulton	High Hazard	90 ft	1960	Earth	Georgia
Atlanta Reservoir Dam No. 2 Fulton	High Hazard	83 ft	1960	Earth	Georgia
Atlantic Rim Carbon	Low Hazard	30 ft	1981	Earth	Wyoming
Atoka Reservoir Atoka	High Hazard	80 ft	1957	Earth	Oklahoma
Attica Dam (Upper) Wyoming	High Hazard	32 ft	1930	Earth	New York
Attica Reservoir Dam Wyoming	Significant Hazard	30 ft	1879	Earth	New York
Attica Reservoir Dam (Middle) Wyoming	Significant Hazard	38 ft	1925	Earth	New York
Attica Upground Reservoir Seneca	Significant Hazard	14 ft	1955	Earth	Ohio
Attica Upground Reservoir #2 Seneca	High Hazard	23 ft	2006	Earth	Ohio
Attleboro Dye Works Pond Dam Bristol	Low Hazard	8 ft	1900	Gravity	Massachusetts
Auburn Farm Pond Storage Lee	Low Hazard	—	1973	Earth	Alabama
Auburn Lake Trails El Dorado	Significant Hazard	41 ft	1978	Earth	California
Auburn Valley Country Club #3 Placer	Low Hazard	39 ft	1959	Earth	California
Aug. Canal Left Embkmnt + Structures (Above Bulkhead Structure) Columbia	Significant Hazard	26 ft	1847	Earth	Georgia
Augmentation Pond #6 Jefferson	Low Hazard	36 ft	1989	Earth	Colorado
Augusta Diversion Dam Columbia	Significant Hazard	12 ft	1857	Masonry	Georgia
Augusta Lake Dam Hancock	Low Hazard	34 ft	1945	Earth	Illinois
Aukum View El Dorado	Low Hazard	32 ft	1962	Earth	California
Aurora-Rampart Douglas	Significant Hazard	48 ft	1964	Earth	Colorado
Austrian Santa Clara	High Hazard	185 ft	1950	Earth	California
Auxiliary Dam No 1 Logan	High Hazard	34 ft	1934	Rockfill	Arkansas
Auxiliary Dam No 2 Logan	High Hazard	33 ft	1966	Earth	Arkansas
Avalon Eddy	High Hazard	58 ft	1906	Earth	New Mexico
Avant City Osage	Low Hazard	40 ft	1970	Earth	Oklahoma
Avant Utilites Auth. Osage	Low Hazard	40 ft	1967	Earth	Oklahoma
Avard City Lake Woods	Low Hazard	18 ft	1999	—	Oklahoma
Avery Lake Dam Fayette	Low Hazard	7 ft	1967	Earth	Texas
Avwarter Dam Carroll	Low Hazard	24 ft	1959	Earth	Missouri
Axell Sonoma	High Hazard	43 ft	1952	Earth	California
Axtell Dam Jasper	Low Hazard	31 ft	1972	Earth	Iowa
Ayscue Lake Dam Vance	Low Hazard	—	1970	Earth	North Carolina
Azalea Sonoma	High Hazard	44 ft	1955	Earth	California
Babbidge Reservoir Dam Cheshire	High Hazard	38 ft	1931	Earth	New Hampshire
Babson Reservoir Dam Essex	High Hazard	44 ft	1930	Earth	Massachusetts
Bachman Dam Clarke	Low Hazard	27 ft	2013	Earth	Iowa
Bachman Lake Dam Dallas	High Hazard	35 ft	1901	Earth	Texas
Back Creek Dam (Old Telegraph Road) Cecil	Low Hazard	11 ft	1900	Earth	Maryland
Back Creek Reservoir Dam Alamance	High Hazard	—	1991	Earth	North Carolina
Back-Up Water Supply Woodson	High Hazard	36 ft	1936	Earth	Kansas
Bacon Low Head Dam Seneca	Low Hazard	8 ft	1922	Masonry	Ohio
Badding Adams	Significant Hazard	11 ft	1888	Earth	Colorado
Bader Lake Dam Licking	Significant Hazard	22 ft	1961	Earth	Ohio
Bader Lake Dam Medina	Low Hazard	31 ft	1960	Earth	Texas
Baffin Waterway System Control Stucture Hernando	Low Hazard	9 ft	—	Other	Florida
Bailey Delta	Low Hazard	35 ft	1967	Earth	Colorado
Bailey Dam Laurens	High Hazard	29 ft	—	—	South Carolina
Bailey Dam 2 Laurens	Low Hazard	40 ft	1968	—	South Carolina
Bailey Lake Dam La Salle	Low Hazard	11 ft	1940	Earth	Texas
Bainbridge Lake Dam Clay	Low Hazard	30 ft	1950	Earth	Missouri
Bainbridge Reservoir Dam Chenango	Significant Hazard	19 ft	1925	Earth	New York