Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Davis Lake Dam Howard	Low Hazard	30 ft	1977	Earth	Missouri
Davis No.1 Dam Washakie	Low Hazard	—	2003	Gravity	Wyoming
Davis No. 2 San Joaquin	High Hazard	26 ft	1955	Earth	California
Davis Pond Dam Morgan	Low Hazard	36 ft	1961	Earth	Ohio
Dawson Lake Stanislaus	Low Hazard	22 ft	1896	Earth	California
D.D. & E. Wise Rio Blanco	Significant Hazard	41 ft	1946	Earth	Colorado
Dd No 33 Wabaunsee	Low Hazard	36 ft	2000	Earth	Kansas
Dd No 6-28 Lower Dam (Sedan City Lake) Chautauqua	High Hazard	50 ft	1965	Earth	Kansas
Deadman Creek Diversion Dam Jones	Low Hazard	22 ft	1965	Concrete	Texas
Deadmans Basin Water Supply Canal Storage Reservoir #2 Wheatland	Low Hazard	33 ft	—	Earth	Montana
Deadmans Basin Water Supply Canal Storage Reservoir #5 Wheatland	Significant Hazard	30 ft	—	Earth	Montana
Deadmans Basin Water Supply Canal Storage Reservoir #6 Wheatland	Low Hazard	28 ft	—	Earth	Montana
Deans Reservoir Dam New London	High Hazard	15 ft	1888	Masonry	Connecticut
Dearborn Lake Dam Red River	Low Hazard	15 ft	1964	Earth	Texas
Dearborn Reservoir Dam Buchanan	High Hazard	28 ft	1959	Earth	Missouri
Debell Santa Clara	High Hazard	53 ft	1952	Earth	California
De Cordova Bend Dam Hood	High Hazard	79 ft	1969	Earth	Texas
Decoto Reservoir Alameda	High Hazard	33 ft	1966	Earth	California
Deep Coulee Petroleum	Low Hazard	25 ft	1971	Earth	Montana
Deep Creek Watershed #5d Dam Yadkin	High Hazard	—	2010	Earth	North Carolina
Deep Creek West St. Johns	Low Hazard	10 ft	—	Earth	Florida
Deep Hollow Reservoir Dam Middlesex	Significant Hazard	28 ft	1854	Earth	Connecticut
Deep River Reservoir Dam New London	High Hazard	62 ft	1926	Earth	Connecticut
Deep Run Dam Middlesex	Low Hazard	10 ft	1988	Earth	New Jersey
Deer Creek Napa	Low Hazard	40 ft	1980	Earth	California
Deer Creek Diversion Nevada	High Hazard	92 ft	1928	Arch	California
Deer Creek Reservoir Dam Stark	Significant Hazard	34 ft	1954	Earth	Ohio
Deerfield Pennington	High Hazard	171 ft	1946	Earth	South Dakota
Deerfield Reservoir #6 Dam Oneida	High Hazard	50 ft	1900	Earth	New York
Deering Milliken Dam Polk	Significant Hazard	—	—	Earth	North Carolina
Deer Lake Napa	High Hazard	72 ft	1958	Earth	California
Deer Lake Larimer	Low Hazard	10 ft	1919	Earth	Colorado
Deer Lake Dam Greene	High Hazard	12 ft	—	Earth	Virginia
Deer Park Lake Dam LaSalle	Significant Hazard	55 ft	1910	Arch	Illinois
Deer Point Dam Bay	Low Hazard	10 ft	1963	Other	Florida
Deer Run Dam Schuyler	Low Hazard	29 ft	2002	Earth	Illinois
Deer Run Pond K Dam Will	Low Hazard	11 ft	2002	Rockfill	Illinois
Deer Valley Snow Making Reservoir Summit	High Hazard	—	2001	Earth	Utah
Defiance Upground Reservoir Defiance	High Hazard	24 ft	2007	Earth	Ohio
DeGray Dam Clark	High Hazard	—	1969	Earth	Arkansas
DeGray Dam - Saddle Dike Clark	High Hazard	—	1969	Earth	Arkansas
DeGray Reregulation Dam Clark	High Hazard	—	1971	Gravity	Arkansas
Dehart Dauphin	High Hazard	105 ft	1940	Earth	Pennsylvania
Delano Island Jefferson	Low Hazard	12 ft	1924	Concrete	New York
Delanson Reservoir Dam Schenectady	Low Hazard	30 ft	1915	Earth	New York
Delaware Dam Delaware	High Hazard	—	1951	Concrete	Ohio
Delaware Mpd No 36 (Banner Creek) Jackson	High Hazard	64 ft	1997	Earth	Kansas
Del-Co Upland Storage Reservoir No. 2 Delaware	High Hazard	43 ft	1989	Earth	Ohio
Del-Co Upland Storage Reservoir No. 3 Delaware	High Hazard	51 ft	1994	Earth	Ohio
Del-Co Upland Storage Reservoir No. 4 Delaware	High Hazard	53 ft	1995	Earth	Ohio