Following is a list of dams and reservoirs in California in a sortable table. There are over 1,400 named dams and 1,300 named reservoirs in the state of California.
Dams in service
Reservoir Dam River County Owner Completed Type Height of dam Reservoir capacity (ft) (m) (acre ft) (1,000 m3) Almaden Reservoir Almaden Dam Alamitos Creek Santa Clara Santa Clara Valley Water District 1935 Earth 1,5861,956 Alpine Lake Alpine Dam Lagunitas Creek Marin Marin Municipal Water District 1917 Gravity 8,89210,968 Anderson Lake Leroy Anderson Dam Coyote Creek Santa Clara Santa Clara Valley Water District 1950 Earth 91,280112,590 Antelope Lake Antelope Dam Upper Indian Creek Plumas California Department of Water Resources 1965 Earth 22,56627,835 Balsam Forebay Balsam Meadow Dam Balsam Creek, West Fork Fresno Southern California Edison 1986 Rock-fill 2,0402,500 Barker Reservoir Barker Dam off-stream reservoir Riverside Joshua Tree National Park 1949 ? 290? Barrett Lake Barrett Dam Cottonwood Creek San Diego County San Diego 1923 Concrete gravity 34,20642,192 Bass Lake Crane Valley Dam Willow Creek, North Fork Madera Pacific Gas and Electric Company 1910 Hydraulic fill 45,41056,010 Bear Gulch Reservoir Bear Gulch Dam off-stream reservoir San Mateo California Water Service Company 1896 Earth 672829 Bear River Reservoir Bear River Dam Bear River Amador Pacific Gas and Electric Company 1900 Rock-fill 6,8188,410 Beardsley Lake Beardsley Dam Stanislaus River, Middle Fork Tuolumne Oakdale & South San Joaquin Irrigation Districts 1957 Earth and rock 70,60087,000 Bethany Reservoir Bethany Forebay Dam Italian Slough tributary Alameda California Department of Water Resources 1961 Earth 5,2506,480 Big Bear Lake Bear Valley Dam Bear Creek San Bernardino Big Bear Municipal Water District 1911 Multiple arch 74,00091,000 Big Dry Creek Reservoir Big Dry Creek Dam Dry Creek and Dog Creek Fresno Fresno Metropolitan Flood Control District 1948 Earth 30,20037,300 Big Sage Reservoir Big Sage Dam Rattlesnake Creek Modoc Hot Springs Valley Irrigation District 1921 Earth 77,00095,000 Big Tujunga Reservoir Big Tujunga Dam Big Tujunga Creek Los Angeles Los Angeles County Department of Public Works 1931 Variable radius arch 5,7507,090 Black Butte Lake Black Butte Dam Stony Creek Tehama and Glenn United States Army Corps of Engineers 1963 Earth 143,700177,300 Boca Reservoir Boca Dam Little Truckee River Nevada United States Bureau of Reclamation 1939 Earth 41,11050,720 Bon Tempe Lake Bon Tempe Dam Lagunitas Creek Marin Marin Municipal Water District 1949 Earth 4,3005,300 Bouquet Reservoir Bouquet Canyon Dam Bouquet Creek Los Angeles Los Angeles Department of Water and Power 1934 Earth 36,50545,028 Bowman Lake Bowman Dam Canyon Creek Nevada Nevada Irrigation District 1927 Rock-fill 64,00079,000 Bridgeport Reservoir Bridgeport Dam East Walker River Mono Walker River Irrigation District 1924 Earth 44,10054,400 Briones Reservoir Briones Dam Bear Creek Contra Costa East Bay Municipal Utility District 1964 Earth 67,52083,280 Brush Creek Reservoir Brush Creek Dam Brush Creek El Dorado Sacramento Municipal Utility District 1970 Variable radius arch 1,5301,890 Bucks Lake Bucks Storage Dam Bucks Creek Plumas Pacific Gas and Electric Company 1928 Rock-fill 103,000127,000 Butt Valley Reservoir Butt Valley Dam Butt Creek Plumas Pacific Gas and Electric Company 1924 Hydraulic fill 49,80061,400 Buena Vista Lake Buena Vista Dam off-stream reservoir Kern J. Boswell & Tenneco West 1890 Earth 205,000253,000 Calaveras Reservoir Calaveras Dam Calaveras Creek Alameda City and County of San Francisco 1925 Hydraulic fill 30,000 (restricted due to seismic hazard)37,000 Calero Reservoir Calero Dam Calero Creek Santa Clara Santa Clara Valley Water District 1935 Earth 9,85012,100 Camanche Reservoir Camanche Dam Mokelumne River San Joaquin, Amador, and Calaveras East Bay Municipal Utility District 1963 Earth 417,120514,510 Camp Far West Reservoir Camp Far West Dam Bear River Yuba South Sutter Water District 1963 Earth and rock 104,500128,900 Canyon Lake Railroad Canyon Dam San Jacinto River Riverside Elsinore Valley Municipal Water District 1928 Variable radius arch 11,90014,600 Caples Lake Caples Lake Dam Silver Fork tributary Alpine El Dorado Irrigation District 1922 Earth and rock 21,58026,620 Carbon Canyon Reservoir Carbon Canyon Dam Carbon Canyon Creek Orange United States Army Corps of Engineers 1961 Earth 6,6158,160 Castaic Lake Castaic Dam Castaic Creek Los Angeles California Department of Water Resources 1973 Earth 323,700399,300 Cedar Lake Cedar Lake Dam Talmadge Creek San Bernardino First Congregational Church of Los Angeles 1928 Arch dam 3037 Cherry Lake Cherry Valley Dam Cherry Creek Tuolumne City and County of San Francisco 1956 Earth and rock 273,500337,400 Chesbro Reservoir Elmer Chesbro Dam Llagas Creek Santa Clara Santa Clara Valley Water District 1955 Earth and rock 8,95211,042 Clear Lake Cache Creek Dam Cache Creek Lake Yolo County Flood Control and Water Conservation District 1914 Gravity 1,155,0001,425,000 Clear Lake Reservoir Clear Lake Dam Lost River Modoc United States Bureau of Reclamation 1910 Rock-fill 451,000556,000 Clifton Court Forebay Clifton Court Forebay Dam Old River tributary Contra Costa California Department of Water Resources 1970 Earth 29,00036,000 Cogswell Reservoir Cogswell Dam San Gabriel River, West Fork Los Angeles Los Angeles County Department of Public Works 1935 Rock-fill 8,96911,063 Collins Lake Virginia Ranch Dam Dry Creek (Yuba River) Yuba Browns Valley Irrigation District 1963 Earth 57,00070,000 Copco Lake Copco No 1 Dam Klamath River Siskiyou PacifiCorp 1922 Gravity 77,00095,000 Courtright Reservoir Courtright Dam Helms Creek Fresno Pacific Gas and Electric Company 1958 Rock-fill 123,300151,700 Coyote Lake Coyote Dam Coyote Creek Santa Clara Santa Clara Valley Water District 1936 Earth and rock 22,92528,278 Crowley Lake Long Valley Dam Owens River Mono City of Los Angeles 1941 Earth 183,465226,300 Crystal Springs Reservoir Lower Crystal Springs Dam San Mateo Creek San Mateo City and County of San Francisco 1888 Gravity 57,91071,430 Diamond Valley Lake Diamond Valley Dam Domenigoni Valley Creek Riverside Metropolitan Water District of Southern California 1999 Earth and rock 800,000987,000 Dodge Reservoir Red Rock No. 1 Dam Red Rock Creek Lassen Edgar S. Roberts 1893 Earth 10,00012,000 Don Pedro Reservoir New Don Pedro Dam Tuolumne River Tuolumne Modesto Irrigation District and Turlock Irrigation District 1971 Earth and rock 2,030,0002,504,000 Donnell Lake Donnells Dam Stanislaus River, Middle Fork Tuolumne Oakdale Irrigation District and South San Joaquin Irrigation District 1958 Variable radius arch 56,89370,176 Donner Lake Donner Lake Dam Donner Creek Nevada Truckee Meadows Water Authority 1927 Slab and buttress 10,30012,700 Duvall Lake Duvall Dam Pope Creek tributary Napa Jerome W. Komes 1940 Earth 242299 East Park Reservoir East Park Dam Little Stony Creek Colusa United States Bureau of Reclamation 1910 Concrete gravity 51,00063,000 Eastman Lake Buchanan Dam Chowchilla River Madera and Mariposa United States Army Corps of Engineers 1975 Earth and rock 150,000185,000 Eaton Wash Reservoir Eaton Wash Dam Eaton Wash Los Angeles Los Angeles County Department of Public Works 1937 Rock-fill 721889 El Capitan Reservoir El Capitan Dam San Diego River San Diego City of San Diego 1934 Hydraulic fill 112,800139,100 Elderberry Forebay Elderberry Forebay Dam Castaic Creek Los Angeles California Department of Water Resources 1974 Earth 28,40035,000 Englebright Lake Englebright Dam Yuba River Yuba United States Army Corps of Engineers 1941 Variable radius arch 70,00086,000 Fallen Leaf Lake Fallen Leaf Dam Taylor Creek El Dorado United States Forest Service 1934 Gravity 6,8008,400 Farmington Flood Control Basin Farmington Dam Rock Creek and Little John Creek San Joaquin United States Army Corps of Engineers 1951 Earth 52,00064,000 Florence Lake Florence Lake Dam San Joaquin River, South Fork Fresno Southern California Edison 1926 Multiple arch 64,40679,444 Folsom Lake Folsom Dam American River Sacramento, Placer and El Dorado United States Army Corps of Engineers 1956 Gravity 975,0001,203,000 Foster Lake Foster Lake Dam Lily Creek Riverside Idyllwild Water District Earth 5568 French Lake Reservoir French Lake Dam Canyon Creek Nevada Nevada Irrigation District 1859/1948 Rock-fill 5515,400 French Meadows Reservoir L.L. Anderson Dam American River, Middle Fork Placer Placer County Water Authority 1965 Earth and rock 111,333137,327 Frenchman Lake Frenchman Dam Little Last Chance Creek Plumas California Department of Water Resources 1961 Earth 55,47768,430 Gene Wash Reservoir Gene Wash Dam San Bernardino Gibraltar Reservoir Gibraltar Dam Santa Ynez River Santa Barbara City of Santa Barbara 1920 Constant radius arch 9,99812,332 Grant Lake Grant Lake Dam Rush Creek Mono City of Los Angeles 1940 Earth 47,52558,622 Guadalupe Reservoir Guadalupe Dam Guadalupe Creek Santa Clara Santa Clara Valley Water District 1935 Earth 3,4604,270 Hahamongna Devil's Gate Arroyo Seco Los Angeles Los Angeles County Department of Public Works 1920 Gravity and rock ???? Hansen Flood-Control Reservoir Hansen Dam Tujunga Wash Los Angeles United States Army Corps of Engineers 1940 Earth 25,44631,387 Hensley Lake Hidden Dam Fresno River Madera United States Army Corps of Engineers 1974 Earth 90,000111,000 Hernandez Reservoir Hernandez Dam San Benito River San Benito San Benito County Water District 1962 Earth 18,00022,000 Hetch Hetchy Reservoir O'Shaughnessy Dam Tuolumne River Tuolumne City and County of San Francisco 1923 Gravity 360,000444,000 Hollywood Reservoir Mulholland Dam Weid Canyon Los Angeles Los Angeles Department of Water and Power 1924 Gravity 4,0364,978 Hume Lake Hume Lake Dam Ten Mile Creek Fresno United States Forest Service 1908 Multiple arch 1,4101,740 Huntington Lake Huntington Dams 1, 2, 3, and 4 Big Creek Fresno Southern California Edison 1913/1919 Gravity ??89,166109,985 Imperial Reservoir Imperial Diversion Dam Colorado River Imperial United States Bureau of Reclamation 1938 Gravity 1,0001,200 Indian Valley Reservoir Indian Valley Dam Cache Creek, North Fork Lake Yolo County Flood Control and Water Conservation District 1976 Earth 300,000370,000 Iron Canyon Reservoir Iron Canyon Dam Iron Canyon Creek Shasta Pacific Gas and Electric Company 1965 Earth 24,30030,000 Iron Gate Reservoir Iron Gate Dam Klamath River Siskiyou PacifiCorp 1962 Earth and rock 58,00072,000 Ivanhoe Reservoir Ivanhoe Reservoir Dam Manmade Los Angeles Los Angeles Department of Water and Power 1906 Earth ???? Jackson Meadows Reservoir Jackson Meadows Dam Yuba River, Middle Fork Nevada Nevada Irrigation District 1965 Rock-fill 52,50064,800 Jenkinson Lake Sly Park Dam Sly Park Creek El Dorado El Dorado Irrigation District 1955 Earth 41,00051,000 Kent Lake Peters Dam Lagunitas Creek Marin Marin Municipal Water District 1954 Earth 32,90040,600 Keswick Reservoir Keswick Dam Sacramento River Shasta United States Bureau of Reclamation 1950 Gravity 23,77229,345 Lafayette Reservoir Contra Costa East Bay Municipal Utility District 1933 Open-cut 4,2965,299 La Grange Reservoir La Grange Dam Tuolumne River Stanislaus and Tuolumne Turlock Irrigation District 1894 Gravity 500620 Canyon Dam Feather River, North Fork Plumas Pacific Gas and Electric Company 1927 Hydraulic fill 130401,308,0001,613,000 Medley Lakes Dam American River, South Fork, Tributary El Dorado El Dorado Irrigation District 1923 Gravity 2165,3506,600 Alpine Dam Silver Creek Alpine Northern California Power Agency 1906 Rock 49154,1225,084 Jackson Creek Dam Jackson Creek Amador Jackson Valley Irrigation District 1965 Earth and rock 1935922,00027,000 Lake Arrowhead Dam Little Bear Creek San Bernardino Arrowhead Lake Association 1922 Hydraulic fill 1905848,00059,000 Monticello Dam Putah Creek Napa United States Bureau of Reclamation 1957 Variable radius arch 255781,602,0001,976,000 Pit 3 Dam Pi