Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
10 Mg Walteria Los Angeles	High Hazard	40 ft	1953	Other	California
12th Street Intake Dam Randolph	Low Hazard	10 ft	—	Concrete	West Virginia
15164 Berlin Pike Dam Loudoun	Unknown	15 ft	—	Earth	Virginia
18 Mg Walteria Los Angeles	High Hazard	31 ft	1987	Other	California
26n9e22 Chouteau	Low Hazard	22 ft	—	Earth	Montana
30 Mg Central Reservoir Orange	High Hazard	30 ft	1924	Earth	California
4-S Ranch Reclamation Reservoir San Diego	High Hazard	22 ft	2000	Earth	California
#6 Monterey	High Hazard	68 ft	—	Earth	California
60 Foot Dam Tompkins	High Hazard	75 ft	1911	Arch	New York
6 Section Lake Dam Potter	Low Hazard	35 ft	1940	Earth	Texas
74 Ranch Dam No 1 Atascosa	Low Hazard	12 ft	1965	Earth	Texas
74 Ranch Dam No 2 Atascosa	Low Hazard	10 ft	1965	Earth	Texas
74 Ranch Dam No 4 Atascosa	Low Hazard	15 ft	1968	Earth	Texas
A and C Modoc	Low Hazard	13 ft	1923	Earth	California
Aaron River Dam Norfolk	High Hazard	30 ft	1976	Earth	Massachusetts
Aberdeen Lake Dam Grays Harbor	High Hazard	—	1928	Earth	Washington
Abernathy Lake Dam Henderson	Low Hazard	38 ft	1974	Earth	Texas
Abiquiu Dam Rio Arriba	High Hazard	340 ft	1963	Earth	New Mexico
Abner Fork Dam Harlan	High Hazard	700 ft	—	Earth	Kentucky
Abrams El Dorado	Low Hazard	37 ft	1950	Earth	California
Acadia Power Partners Holding Pond Acadia	High Hazard	20 ft	2004	Earth	Louisiana
Accord Pond Dam Plymouth	Significant Hazard	10 ft	—	Earth	Massachusetts
Ac Douthitt Ranch Dam No 1 Clay	Low Hazard	14 ft	1956	Earth	Texas
Ada Dam Mercer	High Hazard	62 ft	1924	Earth	West Virginia
Adak Log Dam Aleutians West Census Area	Low Hazard	—	1970	Other	Alaska
Adams #2 Hot Springs	Low Hazard	28 ft	1918	Earth	Wyoming
Adams Fork Slurry Dam Leslie	High Hazard	480 ft	—	Earth	Kentucky
Adams Lake Dam Walker	Low Hazard	19 ft	1975	Earth	Texas
Adams Lake Dam Harris	Low Hazard	19 ft	1960	Earth	Texas
Adams Pond Lincoln	Low Hazard	8 ft	1935	Concrete	Maine
Adams Pond Dam (163-0204) Sullivan	Low Hazard	18 ft	1923	Masonry	New York
Adder Reservoir Middlesex	High Hazard	28 ft	1934	Earth	Connecticut
Adel Milldam Dallas	Low Hazard	15 ft	1927	Gravity	Iowa
Admire-Allen City Lake (Karen Laue Dam) Lyon	Significant Hazard	42 ft	1967	—	Kansas
Adobe Creek Lake	High Hazard	36 ft	1962	Earth	California
Adrian Resevoir Dam Bates	High Hazard	27 ft	1963	Other	Missouri
Aeree El Dorado	Significant Hazard	35 ft	1951	Earth	California
A. E. Staley Cooling Lake Dam Macon	Significant Hazard	22 ft	1944	Earth	Illinois
A F K Hatchery Dam Chugach Census Area	Low Hazard	32 ft	1977	Concrete	Alaska
Afton Reservoir Dam Union	Significant Hazard	51 ft	1936	Earth	Iowa
Ag Lee Dam Comanche	Low Hazard	28 ft	1968	Earth	Texas
Agua Tibia San Diego	Low Hazard	35 ft	1947	Earth	California
Ahmad Lake Dam Gasconade	Low Hazard	25 ft	1977	Earth	Missouri
Aiken Reservoir Dam Aiken	Significant Hazard	45 ft	1983	—	South Carolina
Airport Lake Dam Bibb	Unknown	13 ft	1974	Earth	Georgia
Airport Reservoir D Sonoma	Significant Hazard	45 ft	2002	Earth	California
Airport Storage Pond Sonoma	High Hazard	22 ft	1985	Earth	California
Airport Storage Pond 2 Sonoma	High Hazard	20 ft	1989	Earth	California
Akron Reservoir Dam Genesee	Significant Hazard	45 ft	1927	Earth	New York
Alamoosook Lake Hancock	High Hazard	15 ft	1930	Concrete	Maine