Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Scotts Canyon Napa	Significant Hazard	41 ft	1948	Earth	California
Scotts Mill Dam Lynchburg	Low Hazard	11 ft	—	Masonry	Virginia
Scotts Reservoir Dam Westchester	Significant Hazard	23 ft	1883	Earth	New York
Scout Lake Mendocino	High Hazard	63 ft	1964	Earth	California
Scranton Lake Dam Osage	Low Hazard	28 ft	1961	Earth	Kansas
SCS-Caddo Creek Site-13 Carter	High Hazard	59 ft	1969	Earth	Oklahoma
SCS-Caddo Creek Site -18 Carter	High Hazard	53 ft	1979	Earth	Oklahoma
SCS-Caney Coon Creek Site-2 Coal	High Hazard	53 ft	1965	Earth	Oklahoma
SCS-Fourche Maline Creek Site-07 Latimer	High Hazard	66 ft	1964	Earth	Oklahoma
SCS-Kickapoo Nations Site-01m Lincoln	High Hazard	63 ft	1990	Earth	Oklahoma
SCS-Lower Black Bear Creek Site-19m Pawnee	High Hazard	66 ft	1937	Earth	Oklahoma
SCS-Oak Creek Site-005 Washita	High Hazard	60 ft	1968	Earth	Oklahoma
SCS-Okfuskee Tributaries Site-S1 Okmulgee	High Hazard	78 ft	1972	Earth	Oklahoma
SCS-Sallisaw Creek Site-29 Sequoyah	High Hazard	62 ft	1964	Earth	Oklahoma
SCS-Salt-Camp Creek Site-12 Creek	High Hazard	73 ft	1968	Earth	Oklahoma
SCS-Stillwater Creek Site-23 Payne	High Hazard	45 ft	1932	Earth	Oklahoma
SCS-Stillwater Creek Site-40 Noble	High Hazard	64 ft	1971	Earth	Oklahoma
SCS-Stillwater Creek Site-49b Payne	High Hazard	30 ft	1997	Earth	Oklahoma
SCS-Sugar Creek Site-005 Caddo	Low Hazard	39 ft	1963	Earth	Oklahoma
SCS-Upper Black Bear Creek Site-61a Noble	Significant Hazard	43 ft	1979	Earth	Oklahoma
SCS-Upper Black Bear Creek Site-62 Noble	High Hazard	65 ft	1937	Earth	Oklahoma
SCS-Wildhorse Creek Site-107 Garvin	High Hazard	50 ft	1962	Earth	Oklahoma
S David Ramsey Lake Dam Lamar	Low Hazard	35 ft	1970	Earth	Texas
Sd Noname 12 Pennington	Low Hazard	17 ft	1952	Earth	South Dakota
Seals Lake Dam Hood	Low Hazard	25 ft	1966	Earth	Texas
Sea Ranch Sonoma	Low Hazard	61 ft	1996	Earth	California
Searsville San Mateo	High Hazard	68 ft	1890	Gravity	California
Seaside City Clatsop	High Hazard	45 ft	1996	Earth	Oregon
Seasons Ridge Golf Course Dam Camden	High Hazard	48 ft	1991	Earth	Missouri
Seattle City Volunteer Park Reservoir King	High Hazard	—	1901	Earth	Washington
Seaverson Carbon	Low Hazard	33 ft	1944	Earth	Wyoming
Seboomook Lake Somerset	High Hazard	60 ft	1936	Concrete	Maine
Secondary Reservoir Levee Wichita	Low Hazard	11 ft	1956	Earth	Texas
Secondary Retention Reservoir Dam Coffee	High Hazard	33 ft	—	Earth	Tennessee
Second Reservoir Dam Rockland	Significant Hazard	32 ft	1928	Earth	New York
Sediment Dam Perry	High Hazard	100 ft	—	Earth	Kentucky
Sediment Pond 1d-06 De Soto	Low Hazard	11 ft	—	Earth	Louisiana
Sediment Pond 97-E5 Red River	Low Hazard	31 ft	—	Earth	Louisiana
Sediment Pond No. 028 Leon	Low Hazard	25 ft	—	Earth	Texas
Seeger Marin	High Hazard	115 ft	1961	Earth	California
Seitz Lake Dam Vernon	Low Hazard	33 ft	1976	Earth	Missouri
Seldovia Upper Dam Kenai Peninsula Borough	Low Hazard	24 ft	1953	Arch	Alaska
Sellers-Crowell Routt	Low Hazard	18 ft	1914	Earth	Colorado
Selvage #2 Santa Clara	Low Hazard	42 ft	1948	Earth	California
Sempervirens Santa Cruz	Significant Hazard	42 ft	1951	Earth	California
Senac Arapahoe	High Hazard	131 ft	1990	Earth	Colorado
Senator Wash Imperial	High Hazard	84 ft	1966	Earth	California
Senator Young Dam Cavalier	High Hazard	85 ft	1961	Earth	North Dakota
Senior Canyon Ventura	High Hazard	76 ft	1964	Earth	California
Sentell Lake Dam Trinity	Low Hazard	25 ft	1960	Earth	Texas