Hydroelectric Dams

2,099 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Lower Bucks Lake Plumas	High Hazard	99 ft	1928	Concrete	California
Lower Dewey Municipality of Skagway	Low Hazard	28 ft	1905	Timber Crib	Alaska
Lower Diversion Bonneville	Low Hazard	14 ft	1982	Gravity	Idaho
Lower Eklutna Municipality of Anchorage	Significant Hazard	—	1923	Arch	Alaska
Lower Feeley Nevada	Low Hazard	19 ft	1870	Earth	California
Lower Granite Lock and Dam Whitman	High Hazard	—	1975	Concrete	Washington
Lower Great Falls Strafford	Significant Hazard	36 ft	1984	Masonry	New Hampshire
Lower Hydro Price	Low Hazard	22 ft	1923	Gravity	Wisconsin
Lower Kezar Falls York	Low Hazard	9 ft	1910	Timber Crib	Maine
Lower Lindsey Nevada	Low Hazard	16 ft	1870	Earth	California
Lower Lisbon Grafton	Low Hazard	18 ft	1986	Concrete	New Hampshire
Lower Menominee River Dam Menominee	High Hazard	29 ft	1924	Gravity	Michigan
Lower Monumental Lock and Dam Franklin	High Hazard	—	1969	Concrete	Washington
Lower Nine Mile Oneida	Low Hazard	12 ft	1907	Gravity	Wisconsin
Lower Pacolet Spartanburg	Low Hazard	23 ft	1890	Gravity	South Carolina
Lower Paint Iron	Low Hazard	23 ft	1952	Concrete	Michigan
Lower Peak Lake Auxiliary Placer	High Hazard	7 ft	1860	Earth	California
Lower Pelzer Greenville	Low Hazard	38 ft	1893	Gravity	South Carolina
Lower Robertson Cheshire	Low Hazard	18 ft	1905	Timber Crib	New Hampshire
Lower Rock Lake Nevada	Low Hazard	10 ft	1855	Earth	California
Lower Salmon Gooding	High Hazard	110 ft	1949	Concrete	Idaho
Lower Silvis Ketchikan Gateway Borough	Low Hazard	32 ft	1954	Rockfill	Alaska
Lower Sunshine Park	High Hazard	162 ft	1972	Earth	Wyoming
Lower Valley Sullivan	Significant Hazard	33 ft	1921	Concrete	New Hampshire
Lower Watertown Dam Jefferson	Low Hazard	11 ft	1904	Gravity	Wisconsin
Lower White River Waushara	Significant Hazard	27 ft	1927	Gravity	Wisconsin
Lucky Peak Dam Ada	High Hazard	—	1955	Rockfill	Idaho
Ludington Mason	High Hazard	110 ft	1973	Earth	Michigan
Lundy Lake Mono	High Hazard	48 ft	1911	Rockfill	California
Luray Page	Low Hazard	22 ft	1927	Buttress	Virginia
Lyons Tuolumne	High Hazard	132 ft	1930	Concrete	California
Lyonsdale - Dam No. 2 Lewis	Low Hazard	9 ft	1935	Concrete	New York
Lyons Falls - Mill 3 Lewis	Low Hazard	10 ft	1922	Concrete	New York
Macomb Franklin	Low Hazard	32 ft	1904	Gravity	New York
Macumber Shasta	High Hazard	27 ft	1907	Masonry	California
Madison Dam Madison	High Hazard	39 ft	1907	Timber Crib	Montana
Magic Spillway Blaine	High Hazard	50 ft	1910	Concrete	Idaho
Mahaney Franklin	Low Hazard	15 ft	1932	Concrete	Maine
Mahoona Dam Kodiak Island Borough	Low Hazard	13 ft	1986	Other	Alaska
Main Mill Dam Clinton	High Hazard	25 ft	1881	Concrete	New York
Mallison Falls Cumberland	Significant Hazard	14 ft	1900	Masonry	Maine
Maloney Lincoln	High Hazard	44 ft	1935	Concrete	Nebraska
Mammoth Pool Madera	High Hazard	411 ft	1960	Earth	California
Manawa Dam Waupaca	Low Hazard	15 ft	1920	Gravity	Wisconsin
Mansfield Dam Travis	High Hazard	277 ft	1942	Earth	Texas
Manzanita Diversion Madera	High Hazard	30 ft	1917	Concrete	California
Mapleton Aroostook	Low Hazard	11 ft	1900	Timber Crib	Maine
Maquoketa Milldam Jackson	Low Hazard	26 ft	1923	Gravity	Iowa
Marion Waupaca	High Hazard	17 ft	1880	Gravity	Wisconsin
Mariposa Dam Mariposa	High Hazard	—	1948	Earth	California