Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Boone Milldam Boone	Low Hazard	7 ft	1932	Gravity	Iowa
Booneville Reservoir Dam Logan	Low Hazard	45 ft	1929	Arch	Arkansas
Boonton Dam Morris	High Hazard	120 ft	1905	Masonry	New Jersey
Boonton Reservoir Dam Morris	Significant Hazard	15 ft	1900	Earth	New Jersey
Borax Solar Evaporation Ponds Kern	Low Hazard	18 ft	1984	Earth	California
Borden Brook Reservoir Dam Hampden	High Hazard	75 ft	1909	Earth	Massachusetts
Borden Lake Dam Clark	High Hazard	53 ft	1971	Earth	Indiana
Boren Dam Creek	Significant Hazard	50 ft	1940	Earth	Oklahoma
Boron Tails Pond 6 Kern	Low Hazard	39 ft	1980	Earth	California
Borrow Pit Reservoir Dam Eastland	Low Hazard	8 ft	1975	Earth	Texas
Bosch No. 2 Sonoma	Significant Hazard	55 ft	1962	Earth	California
Bosher Dam Henrico	Unknown	10 ft	—	Gravity	Virginia
Bossier City Reservoir Bossier	Unknown	28 ft	—	Earth	Louisiana
Boston Lake Dam Gasconade	Low Hazard	28 ft	1967	Earth	Missouri
Boswell Lake Dam Clark	Low Hazard	22 ft	1955	Earth	Arkansas
Bottoms Lake	High Hazard	47 ft	1990	Earth	California
Bottom'S Lake Dam Camden	Significant Hazard	8 ft	1938	Earth	New Jersey
Boulder - North Boulder	High Hazard	44 ft	1955	Earth	Colorado
Boulder - South Boulder	High Hazard	45 ft	1955	Earth	Colorado
Boulter York	Significant Hazard	31 ft	1950	Earth	Maine
Bound Brook Dam Norfolk	Significant Hazard	11 ft	1999	Earth	Massachusetts
Bounds Lake Dam La Salle	Low Hazard	16 ft	1969	Earth	Texas
Bouquet Canyon Los Angeles	High Hazard	190 ft	1934	Earth	California
Bourbon Co. Water Supply Res. Bourbon	Significant Hazard	54 ft	1997	—	Kansas
Bowen Mill Dam Barry	Low Hazard	16 ft	1924	Earth	Michigan
Bowers Dam Hillsborough	High Hazard	25 ft	1884	Earth	New Hampshire
Bowie Lake Dam Montague	High Hazard	28 ft	1936	Earth	Texas
Bowling Green Dam #1 Pike	High Hazard	73 ft	1954	Earth	Missouri
Bowling Green Dam #2 Pike	High Hazard	61 ft	1990	Earth	Missouri
Bowling Green Upground Res & Sludge Lgns Wood	High Hazard	22 ft	1989	Earth	Ohio
Bowman Arch Nevada	High Hazard	105 ft	1927	Arch	California
Bowman Dam Clark	High Hazard	50 ft	1950	Earth	Nevada
Bowman-Haley Dam Bowman	High Hazard	—	1970	Earth	North Dakota
Boyd Keller Reservoir Clinton	High Hazard	53 ft	1956	Earth	Pennsylvania
Boyd Lake Larimer	High Hazard	40 ft	1900	Earth	Colorado
Boyd No. 1 Shasta	High Hazard	31 ft	1971	Earth	California
Boyd No. 2 Shasta	High Hazard	53 ft	1973	Earth	California
Boyds Corner Dam Putnam	High Hazard	78 ft	1872	Masonry	New York
Boyertown Reservoir Berks	High Hazard	55 ft	1929	Earth	Pennsylvania
Boynton Muskogee	Low Hazard	18 ft	1967	Earth	Oklahoma
Boys and Girls Town Dam Crawford	Low Hazard	33 ft	2009	Earth	Missouri
Boysen Fremont	High Hazard	220 ft	1951	Earth	Wyoming
Br-57 Blaine	Low Hazard	18 ft	1942	Earth	Montana
Bracken Ranch Lake Dam McMullen	Low Hazard	14 ft	1967	Earth	Texas
Bradbury Santa Barbara	High Hazard	279 ft	1953	Earth	California
Bradford Mendocino	Significant Hazard	58 ft	1985	Earth	California
Bradford City No 2 McKean	High Hazard	44 ft	1886	Earth	Pennsylvania
Bradford City No 3 McKean	High Hazard	47 ft	1898	Earth	Pennsylvania
Bradford City No 5 McKean	High Hazard	68 ft	1957	Earth	Pennsylvania
Bradner Dam San Miguel	High Hazard	70 ft	1950	Earth	New Mexico