Water Supply Dams

7,228 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Blue Creek Mine #3 - Impoundment #1 Jefferson	Low Hazard	—	1978	Earth	Alabama
Blue Creek Mine #3 - Impoundment #2 Jefferson	Low Hazard	—	1978	Earth	Alabama
Blue Heron Lake No. 1 Dam Medina	High Hazard	28 ft	—	Earth	Ohio
Blue Heron Lake No. 5 Dam Medina	High Hazard	19 ft	—	Earth	Ohio
Blue Lake City and Borough of Sitka	High Hazard	294 ft	1961	Arch	Alaska
Blue Lake #1 San Miguel	Low Hazard	13 ft	1903	Earth	Colorado
Blue Marsh Dam Berks	High Hazard	—	1977	Rockfill	Pennsylvania
Blue Marsh Dam - Dikes A and B Berks	High Hazard	25 ft	1977	—	Pennsylvania
Blue Mountain Dam Yell	High Hazard	115 ft	1947	Earth	Arkansas
Blue River Dam Bryan	High Hazard	40 ft	1979	Earth	Oklahoma
Blue Rock Lake Dam Muskingum	High Hazard	31 ft	1937	Earth	Ohio
Bluewell Water Supply Dam No.1 Mercer	High Hazard	36 ft	1966	Earth	West Virginia
Bluewell Water Supply Dam No.2 Mercer	High Hazard	36 ft	1966	Earth	West Virginia
Bluff Lake Diversion Ketchikan Gateway Borough	Low Hazard	10 ft	1984	Rockfill	Alaska
Blunn Jefferson	High Hazard	68 ft	1979	Earth	Colorado
Bobbitt Lake Dam Van Zandt	Low Hazard	15 ft	1962	Earth	Texas
Bob Hinces Lake No 1 Dam McMullen	Low Hazard	15 ft	1968	Earth	Texas
Bob Hinces Lake No 2 Dam McMullen	Low Hazard	17 ft	1968	Earth	Texas
Bob Hinces Lake No 3 Dam McMullen	Low Hazard	16 ft	1968	Earth	Texas
Bob Hinces Lake No 4 Dam McMullen	Low Hazard	16 ft	1964	Earth	Texas
Bob Stein Dam Oconee	Low Hazard	44 ft	—	—	South Carolina
B & O Dam Preston	High Hazard	41 ft	1904	Concrete	West Virginia
Boehmer El Paso	Low Hazard	36 ft	1893	Earth	Colorado
Boehmler Pond Dam Orange	Low Hazard	10 ft	—	Earth	New York
Boeuf River Dam Mi 51 Richland	Low Hazard	37 ft	1966	Earth	Louisiana
Boeye Reservoir Levee Hidalgo	High Hazard	16 ft	1959	Earth	Texas
Bog Brook Dam #1 Putnam	High Hazard	47 ft	1893	Earth	New York
Bog Brook Dam #2 Putnam	High Hazard	24 ft	1936	Earth	New York
Boggs and Warren Modoc	Low Hazard	12 ft	1922	Earth	California
Bog Meadow Reservoir Dam Orange	Significant Hazard	29 ft	1996	Earth	New York
Bogue Brook Reservoir Dam New London	Significant Hazard	21 ft	1920	Concrete	Connecticut
Boise Cascade Mill Vernon	Low Hazard	65 ft	1969	Earth	Louisiana
Bolen Mesa	Significant Hazard	25 ft	1973	Earth	Colorado
Bolen, Anderson, Jacobs Mesa	Low Hazard	19 ft	1969	Earth	Colorado
Bolling Hall Dam Goochland	Unknown	20 ft	—	Earth	Virginia
Bolster Reservoir Washington	Low Hazard	25 ft	1910	Earth	Vermont
Bon Ami Pond Beauregard	Low Hazard	9 ft	1900	Earth	Louisiana
Bonaventure Dam Russell	Unknown	52 ft	—	Earth	Virginia
Bond Farm Pond Frederick	Low Hazard	17 ft	1973	Earth	Maryland
Bone Creek Reservoir Crawford	High Hazard	52 ft	1997	Earth	Kansas
Bonham-Wells Mesa	High Hazard	38 ft	1900	Earth	Colorado
Bonita Number 2 Dam Lauderdale	High Hazard	55 ft	1992	Earth	Mississippi
Bonito Dam Lincoln	High Hazard	113 ft	1930	Rockfill	New Mexico
Bonnie Doone Lake Dam Cumberland	High Hazard	—	1920	Earth	North Carolina
Bonnie Facility Polk	Low Hazard	33 ft	1962	Earth	Florida
Bonnie Rose Lake Dam Aleutians West Census Area	Significant Hazard	10 ft	1943	Buttress	Alaska
Bonsal Company Lake Dam Anson	Low Hazard	—	1955	Earth	North Carolina
Bon Tempe Marin	High Hazard	98 ft	1949	Earth	California
Boole Placer	Low Hazard	25 ft	1951	Earth	California
Boone Dam Washington	High Hazard	160 ft	1952	Concrete	Tennessee