Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Bains Lake Dam Gasconade	Low Hazard	25 ft	1977	Earth	Missouri
Baird Railroad Lake Dam Callahan	High Hazard	24 ft	1940	Earth	Texas
Bak #1 Mellette	Significant Hazard	59 ft	1970	Earth	South Dakota
Baker Dam Holmes	Significant Hazard	15 ft	1948	Earth	Florida
Baker Lake Dam Harnett	Low Hazard	—	1959	Earth	North Carolina
Baker Lake Dam Brown	High Hazard	31 ft	1960	Earth	Indiana
Baker Quarry Lake Dam Union	High Hazard	—	1969	Earth	North Carolina
Bakerton Cambria	Significant Hazard	24 ft	1921	Earth	Pennsylvania
Baldhill Dam Barnes	High Hazard	47 ft	1950	Concrete	North Dakota
Ballinger Municipal Lake Dam Runnels	High Hazard	76 ft	1985	Earth	Texas
Ball Lake Dam Bosque	Low Hazard	22 ft	1965	Earth	Texas
Baltic Reservoir Dam (East) New London	Significant Hazard	9 ft	—	Concrete	Connecticut
Baltic Reservoir Dam (West) New London	Significant Hazard	30 ft	1900	Concrete	Connecticut
Bankhead Lake Dam Howard	Low Hazard	22 ft	1962	Earth	Missouri
Bap Pond 5 Kern	Low Hazard	46 ft	2008	Earth	California
Bap Pond 6 Kern	Low Hazard	32 ft	2012	Earth	California
Bap Pond 7 Kern	Low Hazard	20 ft	—	Earth	California
Bap Pond 8 Kern	High Hazard	29 ft	1975	Earth	California
Bap Ponds 1, 2, 3, 4 Kern	Low Hazard	37 ft	2003	Earth	California
Barber State Fishing Lake Barber	High Hazard	38 ft	1954	Earth	Kansas
Barden Reservoir Providence	Significant Hazard	31 ft	1883	Masonry	Rhode Island
Bardwell Dam Ellis	High Hazard	82 ft	1965	Earth	Texas
Barham Lake Dam No 1 Nevada	Low Hazard	25 ft	1947	Earth	Arkansas
Barham Lake Dam No 2 Nevada	Low Hazard	33 ft	1953	Earth	Arkansas
Baring & Baring Lake Dam Knox	Low Hazard	35 ft	1918	Earth	Missouri
Bark Camp Dam Scott	High Hazard	35 ft	—	Earth	Virginia
Barker Meadow Boulder	High Hazard	177 ft	1909	Concrete	Colorado
Barkley Lock and Dam Lyon	High Hazard	—	1966	Gravity	Kentucky
Bar M No. 3 Albany	Low Hazard	30 ft	1964	Earth	Wyoming
Barnes Meadow Larimer	High Hazard	47 ft	1923	Earth	Colorado
Barnes Reservoir Dam New London	Significant Hazard	22 ft	1902	Earth	Connecticut
Barnesville Reservoir Dam Lamar	Low Hazard	8 ft	1954	Earth	Georgia
Barnesville Reservoir No. 1 Dam Belmont	High Hazard	42 ft	1904	Earth	Ohio
Barnesville Reservoir No. 2 Dam Belmont	High Hazard	48 ft	1936	Earth	Ohio
Barnesville Reservoir No. 3 Dam Belmont	High Hazard	77 ft	1965	Earth	Ohio
Barnett El Dorado	Significant Hazard	18 ft	1948	Earth	California
Barnett Lake Dam Henry	Low Hazard	21 ft	1953	Earth	Georgia
Barnett Lake Dam Mills	Low Hazard	37 ft	1975	Earth	Texas
Barney Washington	High Hazard	122 ft	1998	Other	Oregon
Barren River Dam Allen	High Hazard	—	1964	Earth	Kentucky
Barre Town Reservoir Dam Worcester	Significant Hazard	10 ft	—	Earth	Massachusetts
Barrett San Diego	High Hazard	161 ft	1922	Gravity	California
Barrett Larimer	Low Hazard	24 ft	1973	Earth	Colorado
Bar S Ranch Lake Dam King	Low Hazard	42 ft	1921	Earth	Texas
Bar S Ranch Upper Lake Dam King	Low Hazard	25 ft	1921	Earth	Texas
Bartlett Maricopa	High Hazard	309 ft	1938	Buttress	Arizona
Bartlett Hills Lake Dam Mills	Low Hazard	30 ft	1973	Earth	Iowa
Bartlett Lake Dam Cass	Low Hazard	33 ft	1966	Earth	Missouri
Bartlett Pond Dam Essex	Low Hazard	14 ft	1918	Earth	New York
Bartlett Pond Dam Worcester	Low Hazard	19 ft	1885	Other	Massachusetts