Hydroelectric Dams

2,099 dams in the US serve this purpose.

Dam Name	Hazard	Height	Built	Type	State
Pyrites Intake St. Lawrence	Low Hazard	27 ft	1908	Concrete	New York
Quail Los Angeles	High Hazard	50 ft	1981	Earth	California
Queens Creek Macon	High Hazard	78 ft	1949	Rockfill	North Carolina
Quinebaug Windham	Low Hazard	14 ft	1855	Masonry	Connecticut
Quinebaug River Pond Dam Worcester	Low Hazard	13 ft	1919	Concrete	Massachusetts
Raccoon Mountain Dam Marion	High Hazard	230 ft	1978	Rockfill	Tennessee
Racine Locks and Dam Mason	Significant Hazard	—	1971	Concrete	West Virginia
Radford Montgomery	High Hazard	32 ft	1934	Buttress	Virginia
Raeford Dam Cumberland	High Hazard	28 ft	1914	Earth	North Carolina
Ragged Lake Piscataquis	Low Hazard	30 ft	1937	Earth	Maine
Rainbow Cascade	High Hazard	44 ft	1910	Other	Montana
Rainbow St. Lawrence	High Hazard	82 ft	1956	Gravity	New York
Rainbow Oneida	High Hazard	39 ft	1935	Gravity	Wisconsin
Rainbow Falls Clinton	Significant Hazard	19 ft	1926	Concrete	New York
Rainbow Reservoir Dam Hartford	High Hazard	43 ft	1925	Earth	Connecticut
Ralston Afterbay Placer	High Hazard	89 ft	1966	Concrete	California
Rampart El Paso	High Hazard	230 ft	1970	Earth	Colorado
Rangeley Franklin	Low Hazard	17 ft	1836	Concrete	Maine
Range Pond #3 Androscoggin	Low Hazard	21 ft	1900	Stone	Maine
Rapidan Blue Earth	Significant Hazard	73 ft	1910	Buttress	Minnesota
Rapide Croche Lock and Dam Outagamie	Significant Hazard	—	1930	Concrete	Wisconsin
Ravenscroft Diversion Gooding	Low Hazard	10 ft	1983	Rockfill	Idaho
Raymondville St. Lawrence	Low Hazard	17 ft	1928	Gravity	New York
Red Bridge Hampden	High Hazard	51 ft	1901	Masonry	Massachusetts
Redlands Mesa	Low Hazard	13 ft	1917	Concrete	Colorado
Redmon (Marshall) Perrin 1 Calhoun	High Hazard	12 ft	1893	Earth	Michigan
Redwood Falls Redwood	High Hazard	37 ft	1902	Gravity	Minnesota
Regulating Basin West Dam King	High Hazard	32 ft	1962	Earth	Washington
Relief Tuolumne	High Hazard	140 ft	1909	Rockfill	California
Remmel Hot Spring	High Hazard	60 ft	1925	Buttress	Arkansas
Re-Regulating Stillwater	Low Hazard	15 ft	1979	Earth	Montana
Reusens Lynchburg	High Hazard	35 ft	1903	Gravity	Virginia
Rhinedollar Mono	High Hazard	18 ft	1927	Rockfill	California
Rhinelander Oneida	High Hazard	24 ft	1876	Gravity	Wisconsin
Rhodhiss Caldwell	High Hazard	72 ft	1925	Gravity	North Carolina
Rhyne Mills Dam #1 Lincoln	Low Hazard	—	—	Concrete	North Carolina
Rice Lincoln	High Hazard	19 ft	1912	Gravity	Wisconsin
Rice Lake Barron	High Hazard	18 ft	1864	Concrete	Wisconsin
Rice Rips Kennebec	Significant Hazard	23 ft	1908	Concrete	Maine
Richard B. Russell Dam Elbert	High Hazard	136 ft	1986	Concrete	Georgia
Richard L. Schafer Dam Tulare	High Hazard	98 ft	1961	Earth	California
Ridge Ag Assoc Dam Edgefield	Low Hazard	16 ft	1935	—	South Carolina
Riley Franklin	Low Hazard	23 ft	1897	Timber Crib	Maine
Riley Dam Branch	Significant Hazard	20 ft	1923	Gravity	Michigan
Rim Dike 1 Mayes	High Hazard	15 ft	1968	—	Oklahoma
Rink Lake Dam Alexander	High Hazard	—	1917	Arch	North Carolina
Rio Sullivan	High Hazard	101 ft	1927	Gravity	New York
Rio Bravo Canal Kern	Significant Hazard	16 ft	1988	Concrete	California
Rio Bravo Diversion Kern	Low Hazard	28 ft	1989	Concrete	California
Ripley Pond Somerset	Low Hazard	10 ft	1877	Earth	Maine