Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Bessemer City Water Treatment Reservoir Dam Gaston	High Hazard	—	—	Earth	North Carolina
Bess Lake Dam Leon	Low Hazard	35 ft	1964	Earth	Texas
Best Lake Dam Karnes	Low Hazard	18 ft	1961	Earth	Texas
Bethany City Reservoir Dam Harrison	High Hazard	33 ft	1936	Earth	Missouri
Bethany Forebay Alameda	High Hazard	95 ft	1961	Earth	California
Bethany Hole Dam Burlington	Significant Hazard	11 ft	—	Earth	New Jersey
Bethea Marengo	Low Hazard	—	1966	Earth	Alabama
Bethel Dam Garland	Low Hazard	36 ft	1881	Other	Arkansas
Bethel Lake Dam Montgomery	Low Hazard	52 ft	1966	Earth	Missouri
Bethesda Reservoir Dam Belmont	Significant Hazard	30 ft	1959	Earth	Ohio
Bethlehem Reservoir Dam Albany	Low Hazard	24 ft	1995	Earth	New York
Bettinger Upper Reservoir Dam Kodiak Island Borough	High Hazard	67 ft	1968	Rockfill	Alaska
Bettis Lake Dam Haskell	Low Hazard	15 ft	1945	Earth	Texas
Betty Beaman Adair	Low Hazard	32 ft	2014	Earth	Iowa
Beulah Tank Dam McMullen	Low Hazard	20 ft	1968	Earth	Texas
Bevanda Calaveras	Significant Hazard	29 ft	1925	Earth	California
Bevans Creek Mendocino	High Hazard	51 ft	1955	Earth	California
B. Everett Jordan Dam Chatham	High Hazard	114 ft	1974	Earth	North Carolina
B. F. Sisk Merced	High Hazard	305 ft	1967	Earth	California
Bice Pond; Wylie Dunn	Low Hazard	20 ft	—	—	North Dakota
Bice Pond; Wylie #2 Dunn	Low Hazard	26 ft	—	—	North Dakota
Bickford Pond Dam Worcester	High Hazard	51 ft	1970	Earth	Massachusetts
Bickford Pond Dike Worcester	High Hazard	17 ft	1970	Earth	Massachusetts
Biddle Hollow Reservoir Blair	Low Hazard	33 ft	1911	Earth	Pennsylvania
Bidwell Bar Canyon Saddle Butte	High Hazard	47 ft	1968	Earth	California
Bidwell Lake Plumas	High Hazard	35 ft	1865	Earth	California
Big Lake	Low Hazard	—	1966	Gravity	Oregon
Big Alamo Lake Dam La Salle	Low Hazard	17 ft	1963	Earth	Texas
Big Battlement Delta	High Hazard	23 ft	1949	Earth	Colorado
Big Boulder Lake A Carbon	High Hazard	21 ft	1957	Earth	Pennsylvania
Big Boulder Lake B Carbon	High Hazard	19 ft	1957	Earth	Pennsylvania
Big Canyon Orange	High Hazard	65 ft	1959	Earth	California
Big Canyon Creek El Dorado	Low Hazard	63 ft	1935	Earth	California
Big Cherry Rcc Dam Wise	High Hazard	70 ft	—	Concrete	Virginia
Big Creek Tuolumne	High Hazard	120 ft	1969	Earth	California
Big Creek Grundy	Significant Hazard	—	1964	Concrete	Tennessee
Big Creek #1 Mesa	High Hazard	23 ft	1893	Earth	Colorado
Big Creek #1 (Lower) Lincoln	High Hazard	21 ft	1951	Earth	Oregon
Big Creek #2 (Upper) Lincoln	High Hazard	56 ft	1970	Earth	Oregon
Big Creek #3 Mesa	High Hazard	35 ft	1893	Earth	Colorado
Big Creek #4 Mesa	Low Hazard	15 ft	1893	Earth	Colorado
Big Creek #5 Mesa	Low Hazard	19 ft	1894	Earth	Colorado
Big Creek Dam Delta	High Hazard	38 ft	1987	Earth	Texas
Big Creek Lake Mobile	High Hazard	—	1952	Earth	Alabama
Big Creek WCD Dam-Shorebrook 1 Anderson	High Hazard	42 ft	1967	—	South Carolina
Big Dalton Los Angeles	High Hazard	153 ft	1929	Multi-Arch	California
Big Dobe North Modoc	Low Hazard	9 ft	1912	Earth	California
Big Dobe South Modoc	Low Hazard	11 ft	1912	Earth	California
Big Elk Lake Susquehanna	Significant Hazard	12 ft	1860	Earth	Pennsylvania
Big Evans Gulch No. 2 Lake	Significant Hazard	31 ft	1889	Earth	Colorado