Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Buck-Doe Run Wtrshd #6 Dam Lewis	Significant Hazard	46 ft	1970	Earth	Missouri
Buckeye Creek Dam Perry	High Hazard	300 ft	—	Earth	Kentucky
Buckeye Water District Reservoir Columbiana	High Hazard	56 ft	2008	Earth	Ohio
Buckeye Water District Reservoir Ii Columbiana	High Hazard	38 ft	2020	Earth	Ohio
Buckhorn Lassen	Low Hazard	35 ft	1904	Earth	California
Buckhorn Lake Dam Wilson	High Hazard	—	—	Earth	North Carolina
Buckhorn Lake Dam Lee	Low Hazard	—	1915	Earth	North Carolina
Bucklin City Lake Dam Linn	High Hazard	30 ft	1937	Earth	Missouri
Buck Mountain Reservoir Dam No 1 San Juan	High Hazard	—	1985	Earth	Washington
Buck Mountain Reservoir Dam No 2 San Juan	High Hazard	—	1985	Earth	Washington
Buck Mountain Reservoir Dam No 3 San Juan	High Hazard	—	1985	Earth	Washington
Buckner Dam Cherokee	High Hazard	75 ft	1957	Earth	Texas
Buckner Lake Dam Audrain	Low Hazard	24 ft	1968	Earth	Missouri
Bucks Lake Plumas	High Hazard	123 ft	1928	Rockfill	California
Bucyrus Reservoir No. 3 Dam Crawford	High Hazard	32 ft	1955	Earth	Ohio
Bucyrus Upground Reservoir No. 4 Crawford	High Hazard	29 ft	1983	Earth	Ohio
Budge Sonoma	Significant Hazard	28 ft	1964	Earth	California
Buena Vista Kern	Significant Hazard	20 ft	1890	Earth	California
Buena Vista Kern	High Hazard	14 ft	1973	Earth	California
Buena Vista Winery Sonoma	Significant Hazard	40 ft	1971	Earth	California
Buffalo Bill - Diamond Creek Dike Park	High Hazard	—	1905	Earth	Wyoming
Buffalo Creek Park	Low Hazard	21 ft	1979	Earth	Colorado
Buffalo Flat Big Horn	Low Hazard	20 ft	—	Earth	Wyoming
Buffalo Lake Dam Guilford	High Hazard	—	1922	Earth	North Carolina
Buffalo No.1 Detention Dam Washakie	Low Hazard	—	2003	Gravity	Wyoming
Buffalo River Dam # 4a Amherst	High Hazard	64 ft	—	Earth	Virginia
Buffehrs Summit	Low Hazard	20 ft	1918	Earth	Colorado
Bull Brook Reservoir Dam Essex	Low Hazard	11 ft	1988	Earth	Massachusetts
Bull Creek #1 Mesa	Low Hazard	13 ft	1895	Earth	Colorado
Bull Creek #2 Mesa	Low Hazard	11 ft	1895	Earth	Colorado
Bull Creek #5 Mesa	Significant Hazard	26 ft	1901	Earth	Colorado
Bullock Pen Lake Dam Grant	High Hazard	50 ft	1953	Earth	Kentucky
Bull Run Lake Dam Multnomah	Low Hazard	55 ft	1965	Earth	Oregon
Bull Shoals Dam Baxter	High Hazard	256 ft	1951	Concrete	Arkansas
Bull Tank Dam Lamb	Low Hazard	18 ft	1936	Earth	Texas
Bumgarner Grand	Low Hazard	23 ft	1950	Earth	Colorado
Burg Mesa	Low Hazard	18 ft	—	Earth	Colorado
Burger Modoc	Low Hazard	47 ft	1968	Earth	California
Burgess Lake Dam Mahoning	Significant Hazard	27 ft	1915	Earth	Ohio
Burke-Sullivan Lake Dam Madison	Low Hazard	20 ft	1961	Earth	Texas
Burkett City Dam Coleman	Low Hazard	10 ft	1966	Earth	Texas
Burlington Lake Dam Audrain	Low Hazard	28 ft	1900	Other	Missouri
Burns Napa	Significant Hazard	39 ft	1956	Earth	California
Burns Lake Dam Milam	Low Hazard	21 ft	1961	Earth	Texas
Burns Lake Dam Clay	Low Hazard	22 ft	1963	Earth	Texas
Burton Duenke Dam #6 Camden	Low Hazard	42 ft	1974	Earth	Missouri
Bush River Dam # 12 Prince Edward	High Hazard	62 ft	1983	Earth	Virginia
Bushy Hill Pond Dam Middlesex	High Hazard	33 ft	1871	Earth	Connecticut
Butler City Dam Bates	Low Hazard	30 ft	1930	Rockfill	Missouri
Butler Lake Dam Caswell	Low Hazard	—	1954	Earth	North Carolina