Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Wilson Dam Lauderdale	High Hazard	113 ft	1924	Concrete	Alabama
Wilson Lake Dam Johnson	Low Hazard	25 ft	1960	Earth	Missouri
Wilson Lake Dam Pulaski	Low Hazard	17 ft	1949	Earth	Arkansas
Wilson Lake Dam Johnson	Low Hazard	30 ft	1969	Earth	Missouri
Winchester Placer	Significant Hazard	39 ft	1999	Earth	California
Winchester Dam Clark	High Hazard	70 ft	1985	Roller-Compacted Concrete	Kentucky
Winder Reservoir Dam Barrow	High Hazard	21 ft	1950	Earth	Georgia
Winder Water Reservoir # 2 Elbert	Low Hazard	47 ft	1988	Earth	Georgia
Windsor Place Number 1 Cooper	Low Hazard	22 ft	1951	Earth	Missouri
Windsor Reservoir Dam Berkshire	High Hazard	51 ft	1865	Earth	Massachusetts
Windthorst Lake Dam Clay	High Hazard	31 ft	1964	Earth	Texas
Windy Gap Grand	Significant Hazard	25 ft	1985	Earth	Colorado
Wine Lake Napa	High Hazard	29 ft	1953	Earth	California
Winnekenni Basin Dam Essex	Low Hazard	10 ft	1970	Earth	Massachusetts
Winn Exploration Dam No 2 Maverick	Low Hazard	24 ft	1960	Earth	Texas
Winnibigoshish Dam Cass	Significant Hazard	23 ft	1884	Earth	Minnesota
Winnsboro Reservoir Dam Fairfield	Low Hazard	28 ft	1945	—	South Carolina
Wino Lake Dam Hempstead	Low Hazard	—	1969	Rockfill	Arkansas
Winona Pond Dam Essex	High Hazard	23 ft	1971	Earth	Massachusetts
Winona Reservoir Powell	High Hazard	40 ft	1959	Earth	Kentucky
Winston Lake Dam Forsyth	High Hazard	—	1919	Concrete	North Carolina
Winton Woods Golf Course Lake "E" Dam Hamilton	Significant Hazard	50 ft	1994	Earth	Ohio
Wirt Lake Dam Houston	Low Hazard	18 ft	1963	Earth	Texas
Wisconsin Rapids Wood	Low Hazard	34 ft	1843	Gravity	Wisconsin
Wisecarver Greene	High Hazard	35 ft	1931	Earth	Pennsylvania
Wister Dam Le Flore	High Hazard	99 ft	1949	Earth	Oklahoma
W. J. Hooper Reservoir Dam Henry	Low Hazard	29 ft	1963	Earth	Georgia
W. Kerr Scott Dam Wilkes	High Hazard	—	1963	Earth	North Carolina
W L Golden St. Clair	Low Hazard	—	1952	Earth	Alabama
Wolcott Reservoir Conveyor Dam Hartford	Significant Hazard	21 ft	—	—	Connecticut
Wolf Creek Dam Summit	High Hazard	43 ft	1926	Concrete	Ohio
Wolf Creek Dam Russell	High Hazard	—	1951	Gravity	Kentucky
Wolf Creek Lake Dam Anderson	High Hazard	28 ft	1919	Earth	Texas
Wolf Creek Reservoir Schuylkill	High Hazard	73 ft	1909	Earth	Pennsylvania
Wolfe City Reservoir No 1 Hunt	High Hazard	20 ft	1926	Earth	Texas
Wolfe City Reservoir No 2 Hunt	High Hazard	32 ft	1957	Earth	Texas
Wolff Lake McPherson	Low Hazard	20 ft	1938	Earth	South Dakota
Womack Lake Dam Pike	Significant Hazard	22 ft	1965	Earth	Arkansas
Wommer #1 La Plata	High Hazard	35 ft	1952	Earth	Colorado
Woodburn Road #2 Dam Loudoun	Unknown	30 ft	—	Earth	Virginia
Woodcliff Lake Dam Bergen	High Hazard	38 ft	1906	Earth	New Jersey
Wood County 3 Wood	Low Hazard	9 ft	1935	Gravity	Wisconsin
Wood Creek Lake Dam Laurel	High Hazard	172 ft	1969	Rockfill	Kentucky
Wood Dam Augusta	Unknown	30 ft	—	Earth	Virginia
Wooden Lake Dam-Section 16 Lafayette	Low Hazard	30 ft	1937	Earth	Missouri
Wooden Lake Dam-Section 27 Lafayette	Low Hazard	25 ft	—	Earth	Missouri
Woodfin Reservoir Dam Buncombe	High Hazard	—	—	Earth	North Carolina
Woodland Park El Paso	High Hazard	60 ft	1963	Earth	Colorado
Woodland Reservoir Dam Onondaga	High Hazard	36 ft	1894	Earth	New York
Woodly Pond Webster	Low Hazard	24 ft	1935	Earth	Louisiana