Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Sardinia Reservoir Dam Brown	Low Hazard	26 ft	1953	Earth	Ohio
Sardis Dam Pushmataha	High Hazard	83 ft	1982	Earth	Oklahoma
Sargent Dam Ziebach	Low Hazard	20 ft	1937	Earth	South Dakota
Satterwhite Ranch Lake Dam Harrison	Low Hazard	17 ft	1970	Earth	Texas
Saunders Pond Dam Bedford	Unknown	18 ft	—	Earth	Virginia
Saus Creek Lake Dam Maverick	Low Hazard	18 ft	1940	Earth	Texas
Savage San Diego	High Hazard	149 ft	1919	Gravity	California
Savage River Dam Garrett	High Hazard	184 ft	1952	Earth	Maryland
Savannah City Reservoir Dam Andrew	High Hazard	34 ft	1926	Other	Missouri
Savannah Raw Water Storage Impoundment Dam Chatham	Low Hazard	29 ft	—	Other	Georgia
Saville Dam Litchfield	High Hazard	137 ft	1940	Earth	Connecticut
Sawmill Spillway Nevada	Low Hazard	9 ft	1910	Buttress	California
Sawpit Los Angeles	High Hazard	150 ft	1927	Arch	California
Sawpit Debris Basin Los Angeles	High Hazard	82 ft	1955	Earth	California
Saylorville Dam Polk	High Hazard	119 ft	1975	Gravity	Iowa
Scabrock Feeders Dam 6a Adams	Low Hazard	—	1970	Earth	Washington
Scaling Lake Dam Clay	Low Hazard	18 ft	1964	Earth	Texas
Scalley Dam Middlesex	Significant Hazard	15 ft	1989	Earth	Massachusetts
Schadler Modoc	Low Hazard	39 ft	1967	Earth	California
Schencks Pond Dam Middlesex	High Hazard	22 ft	1940	Earth	Massachusetts
Schlensig Dam Crawford	Low Hazard	41 ft	1970	Earth	Iowa
Schneider Sacramento	Low Hazard	22 ft	1941	Earth	California
Schneider Lake Dam Lower Gasconade	High Hazard	25 ft	1977	Earth	Missouri
Schneider Lake Dam Upper Gasconade	High Hazard	25 ft	1970	Earth	Missouri
Schoodic Lake Piscataquis	Low Hazard	11 ft	1929	Earth	Maine
School Land Lake Dam Clay	Low Hazard	12 ft	1957	Earth	Texas
School Street Albany	Low Hazard	16 ft	1865	Concrete	New York
Schubin El Dorado	Significant Hazard	55 ft	1952	Earth	California
Schuchart Lake Dam Medina	Low Hazard	22 ft	1970	Earth	Texas
Schultz Farms Dam Gentry	Low Hazard	27 ft	2000	Earth	Missouri
Schultz Lake Dam Robertson	Low Hazard	21 ft	1972	Earth	Texas
Schultz Lake Dam Cleveland	Low Hazard	—	1968	Earth	Arkansas
Schweinel Lake Dam Leon	Low Hazard	18 ft	1964	Earth	Texas
Schweitzer Dam Marquette	Significant Hazard	54 ft	1962	Concrete	Michigan
Schwindt Mendocino	Significant Hazard	37 ft	—	Earth	California
Scofield Lake #3 Dam Warren	High Hazard	30 ft	1953	Earth	Missouri
Scoggins Washington	High Hazard	151 ft	1974	Earth	Oregon
Scotch Run Blair	Low Hazard	40 ft	1916	Earth	Pennsylvania
Scotia Log Pond Humboldt	High Hazard	24 ft	1910	Earth	California
Scott Navajo	Significant Hazard	38 ft	1945	Earth	Arizona
Scott Candler Reservoir Dam #1 DeKalb	High Hazard	55 ft	1940	Earth	Georgia
Scott/Colby Lake Dam Daviess	High Hazard	48 ft	1994	Earth	Missouri
Scott (Darwin) Dam Adair	Low Hazard	27 ft	2013	Earth	Iowa
Scott Lake Alpine	Low Hazard	35 ft	1926	Earth	California
Scott Lake Dam Clay	Low Hazard	15 ft	1963	Earth	Texas
Scott Lake Dam Colorado	Low Hazard	17 ft	1965	Earth	Texas
Scott Reservoir Lewis and Clark	High Hazard	32 ft	1952	Earth	Montana
Scott Reservoir Dam Worcester	High Hazard	40 ft	1875	Concrete	Massachusetts
Scott Rutherford Dam Cass	Low Hazard	26 ft	2002	Earth	Missouri
Scottsburg Water Supply Reservoir Dam Scott	High Hazard	29 ft	1950	Earth	Indiana