# List of dams and reservoirs in California

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 | Height of dam | Reservoir capacity | Reservoir capacity |
| Reservoir | Dam | River | County | Owner | Completed | Type | (ft) | (m) | (acre ft) | (1,000 m$^3$) |
| Almaden Reservoir | Almaden Dam | Alamitos Creek | Santa Clara | Santa Clara Valley Water District | 1935 | Earth | 108 | 33 | 1,586 | 1,956 |
| Alpine Lake | Alpine Dam | Lagunitas Creek | Marin | Marin Municipal Water District | 1917 | Gravity | 143 | 44 | 8,892 | 10,968 |
| Anderson Lake | Leroy Anderson Dam | Coyote Creek | Santa Clara | Santa Clara Valley Water District | 1950 | Earth | 235 | 72 | 91,280 | 112,590 |
| Antelope Lake | Antelope Dam | Upper Indian Creek | Plumas | California Department of Water Resources | 1965 | Earth | 120 | 37 | 22,566 | 27,835 |
| Balsam Forebay | Balsam Meadow Dam | Balsam Creek, West Fork | Fresno | Southern California Edison | 1986 | Rock-fill | 127 | 39 | 2,040 | 2,500 |
| Barker Reservoir | Barker Dam | off-stream reservoir | Riverside | Joshua Tree National Park | 1949 | ? | 15 | 4.6 | 290 | ? |
| Barrett Lake | Barrett Dam | Cottonwood Creek | San Diego County | San Diego | 1923 | Concrete gravity | 171 | 52 | 34,206 | 42,192 |
| Bass Lake | Crane Valley Dam | Willow Creek, North Fork | Madera | Pacific Gas and Electric Company | 1910 | Hydraulic fill | 145 | 44 | 45,410 | 56,010 |
| Bear Gulch Reservoir | Bear Gulch Dam | off-stream reservoir | San Mateo | California Water Service Company | 1896 | Earth | 61 | 19 | 672 | 829 |
| Bear River Reservoir | Bear River Dam | Bear River | Amador | Pacific Gas and Electric Company | 1900 | Rock-fill | 83 | 25 | 6,818 | 8,410 |
| Beardsley Lake | Beardsley Dam | Stanislaus River, Middle Fork | Tuolumne | Oakdale & South San Joaquin Irrigation Districts | 1957 | Earth and rock | 278 | 85 | 70,600 | 87,000 |
| Bethany Reservoir | Bethany Forebay Dam | Italian Slough tributary | Alameda | California Department of Water Resources | 1961 | Earth | 95 | 29 | 5,250 | 6,480 |
| Big Bear Lake | Bear Valley Dam | Bear Creek | San Bernardino | Big Bear Municipal Water District | 1911 | Multiple arch | 80 | 24 | 74,000 | 91,000 |
| Big Dry Creek Reservoir | Big Dry Creek Dam | Dry Creek and Dog Creek | Fresno | Fresno Metropolitan Flood Control District | 1948 | Earth | 50 | 15 | 30,200 | 37,300 |
| Big Sage Reservoir | Big Sage Dam | Rattlesnake Creek | Modoc | Hot Springs Valley Irrigation District | 1921 | Earth | 49 | 15 | 77,000 | 95,000 |
| Big Tujunga Reservoir | Big Tujunga Dam | Big Tujunga Creek | Los Angeles | Los Angeles County Department of Public Works | 1931 | Variable radius arch | 208 | 63 | 5,750 | 7,090 |
| Black Butte Lake | Black Butte Dam | Stony Creek | Tehama and Glenn | United States Army Corps of Engineers | 1963 | Earth | 156 | 48 | 143,700 | 177,300 |
| Boca Reservoir | Boca Dam | Little Truckee River | Nevada | United States Bureau of Reclamation | 1939 | Earth | 93 | 28 | 41,110 | 50,720 |
| Bon Tempe Lake | Bon Tempe Dam | Lagunitas Creek | Marin | Marin Municipal Water District | 1949 | Earth | 98 | 30 | 4,300 | 5,300 |
| Bouquet Reservoir | Bouquet Canyon Dam | Bouquet Creek | Los Angeles | Los Angeles Department of Water and Power | 1934 | Earth | 190 | 58 | 36,505 | 45,028 |
| Bowman Lake | Bowman Dam | Canyon Creek | Nevada | Nevada Irrigation District | 1927 | Rock-fill | 175 | 53 | 64,000 | 79,000 |
| Bridgeport Reservoir | Bridgeport Dam | East Walker River | Mono | Walker River Irrigation District | 1924 | Earth | 63 | 19 | 44,100 | 54,400 |
| Briones Reservoir | Briones Dam | Bear Creek | Contra Costa | East Bay Municipal Utility District | 1964 | Earth | 273 | 83 | 67,520 | 83,280 |
| Brush Creek Reservoir | Brush Creek Dam | Brush Creek | El Dorado | Sacramento Municipal Utility District | 1970 | Variable radius arch | 213 | 65 | 1,530 | 1,890 |
| Bucks Lake | Bucks Storage Dam | Bucks Creek | Plumas | Pacific Gas and Electric Company | 1928 | Rock-fill | 122 | 37 | 103,000 | 127,000 |
| Butt Valley Reservoir | Butt Valley Dam | Butt Creek | Plumas | Pacific Gas and Electric Company | 1924 | Hydraulic fill | 106 | 32 | 49,800 | 61,400 |
| Buena Vista Lake | Buena Vista Dam | off-stream reservoir | Kern | J. Boswell & Tenneco West | 1890 | Earth | 20 | 6.1 | 205,000 | 253,000 |
| Calaveras Reservoir | Calaveras Dam | Calaveras Creek | Alameda | City and County of San Francisco | 1925 | Hydraulic fill | 210 | 64 | 30,000 (restricted due to seismic hazard) | 37,000 |
| Calero Reservoir | Calero Dam | Calero Creek | Santa Clara | Santa Clara Valley Water District | 1935 | Earth | 90 | 27 | 9,850 | 12,100 |
| Camanche Reservoir | Camanche Dam | Mokelumne River | San Joaquin, Amador, and Calaveras | East Bay Municipal Utility District | 1963 | Earth | 171 | 52 | 417,120 | 514,510 |
| Camp Far West Reservoir | Camp Far West Dam | Bear River | Yuba | South Sutter Water District | 1963 | Earth and rock | 185 | 56 | 104,500 | 128,900 |
| Canyon Lake | Railroad Canyon Dam | San Jacinto River | Riverside | Elsinore Valley Municipal Water District | 1928 | Variable radius arch | 94 | 29 | 11,900 | 14,600 |
| Caples Lake | Caples Lake Dam | Silver Fork tributary | Alpine | El Dorado Irrigation District | 1922 | Earth and rock | 71 | 22 | 21,580 | 26,620 |
| Carbon Canyon Reservoir | Carbon Canyon Dam | Carbon Canyon Creek | Orange | United States Army Corps of Engineers | 1961 | Earth | 99 | 30 | 6,615 | 8,160 |
| Castaic Lake | Castaic Dam | Castaic Creek | Los Angeles | California Department of Water Resources | 1973 | Earth | 340 | 100 | 323,700 | 399,300 |
| Cedar Lake | Cedar Lake Dam | Talmadge Creek | San Bernardino | First Congregational Church of Los Angeles | 1928 | Arch dam | 28 | 8.5 | 30 | 37 |
| Cherry Lake | Cherry Valley Dam | Cherry Creek | Tuolumne | City and County of San Francisco | 1956 | Earth and rock | 315 | 96 | 273,500 | 337,400 |
| Chesbro Reservoir | Elmer Chesbro Dam | Llagas Creek | Santa Clara | Santa Clara Valley Water District | 1955 | Earth and rock | 95 | 29 | 8,952 | 11,042 |
| Clear Lake | Cache Creek Dam | Cache Creek | Lake | Yolo County Flood Control and Water Conservation District | 1914 | Gravity | 30 | 9.1 | 1,155,000 | 1,425,000 |
| Clear Lake Reservoir | Clear Lake Dam | Lost River | Modoc | United States Bureau of Reclamation | 1910 | Rock-fill | 32 | 9.8 | 451,000 | 556,000 |
| Clifton Court Forebay | Clifton Court Forebay Dam | Old River tributary | Contra Costa | California Department of Water Resources | 1970 | Earth | 34 | 10 | 29,000 | 36,000 |
| Cogswell Reservoir | Cogswell Dam | San Gabriel River, West Fork | Los Angeles | Los Angeles County Department of Public Works | 1935 | Rock-fill | 266 | 81 | 8,969 | 11,063 |
| Collins Lake | Virginia Ranch Dam | Dry Creek (Yuba River) | Yuba | Browns Valley Irrigation District | 1963 | Earth | 152 | 46 | 57,000 | 70,000 |
| Copco Lake | Copco No 1 Dam | Klamath River | Siskiyou | PacifiCorp | 1922 | Gravity | 132 | 40 | 77,000 | 95,000 |
| Courtright Reservoir | Courtright Dam | Helms Creek | Fresno | Pacific Gas and Electric Company | 1958 | Rock-fill | 315 | 96 | 123,300 | 151,700 |
| Coyote Lake | Coyote Dam | Coyote Creek | Santa Clara | Santa Clara Valley Water District | 1936 | Earth and rock | 138 | 42 | 22,925 | 28,278 |
| Crowley Lake | Long Valley Dam | Owens River | Mono | City of Los Angeles | 1941 | Earth | 126 | 38 | 183,465 | 226,300 |
| Crystal Springs Reservoir | Lower Crystal Springs Dam | San Mateo Creek | San Mateo | City and County of San Francisco | 1888 | Gravity | 149 | 45 | 57,910 | 71,430 |
| Diamond Valley Lake | Diamond Valley Dam | Domenigoni Valley Creek | Riverside | Metropolitan Water District of Southern California | 1999 | Earth and rock | 284 | 87 | 800,000 | 987,000 |
| Dodge Reservoir | Red Rock No. 1 Dam | Red Rock Creek | Lassen | Edgar S. Roberts | 1893 | Earth | 63 | 19 | 10,000 | 12,000 |
| Don Pedro Reservoir | New Don Pedro Dam | Tuolumne River | Tuolumne | Modesto Irrigation District and Turlock Irrigation District | 1971 | Earth and rock | 568 | 173 | 2,030,000 | 2,504,000 |
| Donnell Lake | Donnells Dam | Stanislaus River, Middle Fork | Tuolumne | Oakdale Irrigation District and South San Joaquin Irrigation District | 1958 | Variable radius arch | 291 | 89 | 56,893 | 70,176 |
| Donner Lake | Donner Lake Dam | Donner Creek | Nevada | Truckee Meadows Water Authority | 1927 | Slab and buttress | 16 | 4.9 | 10,300 | 12,700 |
| Duvall Lake | Duvall Dam | Pope Creek tributary | Napa | Jerome W. Komes | 1940 | Earth | 30 | 9.1 | 242 | 299 |
| East Park Reservoir | East Park Dam | Little Stony Creek | Colusa | United States Bureau of Reclamation | 1910 | Concrete gravity | 92 | 28 | 51,000 | 63,000 |
| Eastman Lake | Buchanan Dam | Chowchilla River | Madera and Mariposa | United States Army Corps of Engineers | 1975 | Earth and rock | 192 | 59 | 150,000 | 185,000 |
| Eaton Wash Reservoir | Eaton Wash Dam | Eaton Wash | Los Angeles | Los Angeles County Department of Public Works | 1937 | Rock-fill | 63 | 19 | 721 | 889 |
| El Capitan Reservoir | El Capitan Dam | San Diego River | San Diego | City of San Diego | 1934 | Hydraulic fill | 237 | 72 | 112,800 | 139,100 |
| Elderberry Forebay | Elderberry Forebay Dam | Castaic Creek | Los Angeles | California Department of Water Resources | 1974 | Earth | 179 | 55 | 28,400 | 35,000 |
| Englebright Lake | Englebright Dam | Yuba River | Yuba | United States Army Corps of Engineers | 1941 | Variable radius arch | 280 | 85 | 70,000 | 86,000 |
| Fallen Leaf Lake | Fallen Leaf Dam | Taylor Creek | El Dorado | United States Forest Service | 1934 | Gravity | 12 | 3.7 | 6,800 | 8,400 |
| Farmington Flood Control Basin | Farmington Dam | Rock Creek and Little John Creek | San Joaquin | United States Army Corps of Engineers | 1951 | Earth | 58 | 18 | 52,000 | 64,000 |
| Florence Lake | Florence Lake Dam | San Joaquin River, South Fork | Fresno | Southern California Edison | 1926 | Multiple arch | 149 | 45 | 64,406 | 79,444 |
| Folsom Lake | Folsom Dam | American River | Sacramento, Placer and El Dorado | United States Army Corps of Engineers | 1956 | Gravity | 275 | 84 | 975,000 | 1,203,000 |
| Foster Lake | Foster Lake Dam | Lily Creek | Riverside | Idyllwild Water District | | Earth | | | 55 | 68 |
| French Lake Reservoir | French Lake Dam | Canyon Creek | Nevada | Nevada Irrigation District | 1859/1948 | Rock-fill | 100 | 30 | 55 | 15,400 |
| French Meadows Reservoir | L.L. Anderson Dam | American River, Middle Fork | Placer | Placer County Water Authority | 1965 | Earth and rock | 231 | 70 | 111,333 | 137,327 |
| Frenchman Lake | Frenchman Dam | Little Last Chance Creek | Plumas | California Department of Water Resources | 1961 | Earth | 129 | 39 | 55,477 | 68,430 |
| 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 | 169 | 52 | 9,998 | 12,332 |
| Grant Lake | Grant Lake Dam | Rush Creek | Mono | City of Los Angeles | 1940 | Earth | 87 | 27 | 47,525 | 58,622 |
| Guadalupe Reservoir | Guadalupe Dam | Guadalupe Creek | Santa Clara | Santa Clara Valley Water District | 1935 | Earth | 142 | 43 | 3,460 | 4,270 |
| 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 | 97 | 30 | 25,446 | 31,387 |
| Hensley Lake | Hidden Dam | Fresno River | Madera | United States Army Corps of Engineers | 1974 | Earth | 163 | 50 | 90,000 | 111,000 |
| Hernandez Reservoir | Hernandez Dam | San Benito River | San Benito | San Benito County Water District | 1962 | Earth | 124 | 38 | 18,000 | 22,000 |
| Hetch Hetchy Reservoir | O'Shaughnessy Dam | Tuolumne River | Tuolumne | City and County of San Francisco | 1923 | Gravity | 312 | 95 | 360,000 | 444,000 |
| Hollywood Reservoir | Mulholland Dam | Weid Canyon | Los Angeles | Los Angeles Department of Water and Power | 1924 | Gravity | 195 | 59 | 4,036 | 4,978 |
| Hume Lake | Hume Lake Dam | Ten Mile Creek | Fresno | United States Forest Service | 1908 | Multiple arch | 51 | 16 | 1,410 | 1,740 |
| Huntington Lake | Huntington Dams 1, 2, 3, and 4 | Big Creek | Fresno | Southern California Edison | 1913/1919 | Gravity | ? | ? | 89,166 | 109,985 |
| Imperial Reservoir | Imperial Diversion Dam | Colorado River | Imperial | United States Bureau of Reclamation | 1938 | Gravity | 23 | 7.0 | 1,000 | 1,200 |
| Indian Valley Reservoir | Indian Valley Dam | Cache Creek, North Fork | Lake | Yolo County Flood Control and Water Conservation District | 1976 | Earth | 222 | 68 | 300,000 | 370,000 |
| Iron Canyon Reservoir | Iron Canyon Dam | Iron Canyon Creek | Shasta | Pacific Gas and Electric Company | 1965 | Earth | 210 | 64 | 24,300 | 30,000 |
| Iron Gate Reservoir | Iron Gate Dam | Klamath River | Siskiyou | PacifiCorp | 1962 | Earth and rock | 188 | 57 | 58,000 | 72,000 |
| 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 | 195 | 59 | 52,500 | 64,800 |
| Jenkinson Lake | Sly Park Dam | Sly Park Creek | El Dorado | El Dorado Irrigation District | 1955 | Earth | 182 | 55 | 41,000 | 51,000 |
| Kent Lake | Peters Dam | Lagunitas Creek | Marin | Marin Municipal Water District | 1954 | Earth | 230 | 70 | 32,900 | 40,600 |
| Keswick Reservoir | Keswick Dam | Sacramento River | Shasta | United States Bureau of Reclamation | 1950 | Gravity | 118 | 36 | 23,772 | 29,345 |
| Lafayette Reservoir | | | Contra Costa | East Bay Municipal Utility District | 1933 | Open-cut | | | 4,296 | 5,299 |
| La Grange Reservoir | La Grange Dam | Tuolumne River | Stanislaus and Tuolumne | Turlock Irrigation District | 1894 | Gravity | 131 | 40 | 500 | 620 |
| Lake Almanor | Canyon Dam | Feather River, North Fork | Plumas | Pacific Gas and Electric Company | 1927 | Hydraulic fill | 130 | 40 | 1,308,000 | 1,613,000 |
| Lake Aloha | Medley Lakes Dam | American River, South Fork, Tributary | El Dorado | El Dorado Irrigation District | 1923 | Gravity | 21 | 6 | 5,350 | 6,600 |
| Lake Alpine | Alpine Dam | Silver Creek | Alpine | Northern California Power Agency | 1906 | Rock | 49 | 15 | 4,122 | 5,084 |
| Lake Amador | Jackson Creek Dam | Jackson Creek | Amador | Jackson Valley Irrigation District | 1965 | Earth and rock | 193 | 59 | 22,000 | 27,000 |
| Lake Arrowhead Reservoir | Lake Arrowhead Dam | Little Bear Creek | San Bernardino | Arrowhead Lake Association | 1922 | Hydraulic fill | 190 | 58 | 48,000 | 59,000 |
| Lake Berryessa | Monticello Dam | Putah Creek | Napa | United States Bureau of Reclamation | 1957 | Variable radius arch | 255 | 78 | 1,602,000 | 1,976,000 |
| Lake Britton | Pit 3 Dam | Pit River | Shasta | Pacific Gas and Electric Company | 1925 | Concrete gravity | 120 | 37 | 34,600 | 42,678 |
| Cachuma Lake | Bradbury Dam | Santa Ynez River | Santa Barbara | United States Bureau of Reclamation | 1953 | Earth | 201 | 61 | 205,000 | 253,000 |
| Lake Calero | Calero Dam | Deer Creek | Sacramento | Rancho Murieta Community Services District | 1982 | Earth | 55 | 17 | 2,832 | 3,493 |
| Lake Casitas | Casitas Dam | Coyote Creek | Ventura | United States Bureau of Reclamation | 1959 | Earth | 279 | 85 | 254,000 | 313,000 |
| Lake Clementine | North Fork Dam | North Fork American River | Placer | United States Army Corps of Engineers | 1939 | Variable radius arch | 155 | 47 | 14,700 | 18,100 |
| Lake Davis | Grizzly Valley Dam | Big Grizzly Creek | Plumas | California Department of Water Resources | 1966 | Earth and rock | 115 | 35 | 83,000 | 102,000 |
| Lake Del Valle | Del Valle Dam | Arroyo Valle | Alameda | California Department of Water Resources | 1968 | Earth | 222 | 68 | 77,100 | 95,100 |
| Lake Eleanor | Banning Dam | Eleanor Creek | Ventura | Conejo Open Space Conservation Agency | 1889 | Gravity | 37 | 11 | ? | ? |
| Lake Elsman | Austrian Dam | Los Gatos Creek | Santa Clara | San Jose Water Agency | 1950 | Earth | 185 | 56 | 6,200 | 7,650 |
| Lake Fulmor | Hall Mill Dam | Indian Creek | Riverside | U.S. Forest Service | | | | | | |
| Lake Gallaher | Gallaher Dam | Bear Trap Creek | Riverside | California Inland Empire Council, Boy Scouts of America | 1966 | | | | | |
| Lake Gregory | Lake Gregory Dam | Houston Creek | San Bernardino | San Bernardino County Regional Parks Division | 1938 | Earth | 90 | 27 | 2,100 | 2,600 |
| Lake Havasu | Parker Dam | Colorado River | San Bernardino and Mohave | United States Bureau of Reclamation | 1938 | Variable radius arch | 75 | 23 | 648,000 | 799,000 |
| Lake Hemet | Lake Hemet Dam | San Jacinto River | Riverside | Lake Hemet Municipal Water District | 1895 | Masonry (arch) | 135 | 41 | 8,100 | 9,800 |
| Lake Hennessey | Conn Creek Dam | Conn Creek | Napa | City of Napa | 1946 | Earth | 125 | 38 | 31,000 | 38,000 |
| Lake Henshaw | Henshaw Dam | San Luis Rey River | San Diego | Vista Irrigation District | 1923 | Hydraulic fill | 123 | 37.5 | 53,400 | 65,700 |
| Lake Hodges | Lake Hodges Dam | San Dieguito River | San Diego | City of San Diego | 1918 | Multiple arch | 131 | 40 | 30,250 | 37,200 |
| Lake Irvine | Santiago Dam | Santiago Creek | Orange | Serrano Water District and Irvine Ranch Water District | 1933 | Earth | 136 | 41 | 25,000 | 31,000 |
| Lake Isabella | Isabella Dam | Kern River | Kern | United States Army Corps of Engineers | 1953 | Earth | 185 | 56 | 568,000 | 701,000 |
| Lake Jennings | Chet Harritt Dam | Quail Canyon Creek | San Diego | Helix Water District | 1962 | Earth | 200 | 61 | 9,790 | 12,080 |
| Lake Kaweah | Terminus Dam | Kaweah River | Tulare | United States Army Corps of Engineers | 1962 | Earth | 255 | 78 | 143,000 | 176,000 |
| Lake Lagunitas | Lagunitas Dam | Lagunitas Creek | Marin | Marin Municipal Water District | 1872 | Earth | 48 | 15 | 341 | 421 |
| Lake Loveland | Loveland Dam | Sweetwater River | San Diego | South Bay Irrigation District | 1945 | Variable radius arch | 203 | 62 | 25,400 | 31,300 |
| Lake Mathews | Mathews Dam | Cajalco Creek tributary | Riverside | Metropolitan Water District of Southern California | 1938 | Earth | 264 | 80 | 182,000 | 224,000 |
| Lake McClure | New Exchequer Dam | Merced River | Mariposa | Merced Irrigation District | 1967 | Rock-fill | 479 | 146 | 1,032,000 | 1,273,000 |
| Lake Mendocino | Coyote Valley Dam | East Fork Russian River | Mendocino | United States Army Corps of Engineers | 1959 | Earth | 164 | 50 | 122,400 | 151,000 |
| Nacimiento Reservoir | Nacimiento Dam | Nacimiento River | San Luis Obispo | Monterey County Water Resources Agency | 1958 | Rock-fill | 210 | 64 | 377,900 | 466,133 |
| Lake Natoma | Nimbus Dam | American River | Sacramento | United States Bureau of Reclamation | 1955 | Gravity | 47 | 14 | 8,760 | 10,810 |
| Lake Oroville | Oroville Dam | Feather River | Butte | California Department of Water Resources | 1968 | Earth | 742 | 226 | 3,537,577 | 4,363,530 |
| Lake Palmdale | Harold Reservoir Dam | Antelope Valley tributary | Los Angeles | Palmdale Water District | 1891 | Earth | 30 | 9 | 3,870 | 4,774 |
| Lake Perris | Perris Dam | Bernasconi Pass | Riverside | California Department of Water Resources | 1973 | Earth | 130 | 40 | 131,452 | 162,143 |
| Lake Pillsbury | Scott Dam | Eel River | Lake | Pacific Gas and Electric Company | 1921 | Gravity | 138 | 42 | 73,000 | 90,000 |
| Lake Piru | Santa Felicia Dam | Piru Creek | Ventura | United Water Conservation District | 1955 | Earth | 213 | 65 | 100,000 | 123,000 |
| Lake Ramona | Ramona Dam | Green Valley Road Creek | San Diego | Ramona Municipal Water District | 1988 | Earth | 228 | 69 | 12,200 | 15,000 |
| Lake Sabrina | Sabrina Dam | Bishop Creek, Middle Fork | Inyo | Southern California Edison | 1908 | Rock-fill | 70 | 21 | 8,376 | 10,332 |
| San Antonio Reservoir | San Antonio Dam | San Antonio River | Monterey | Monterey County Water Resources Agency | 1965 | Earth | 202 | 62 | 335,000 | 413,216 |
| Lake Shastina | Shasta River Dam | Shasta River | Siskiyou | Montague Water Conservation District | 1928 | Hydraulic fill | 96 | 29 | 50,000 | 60,000 |
| Lake Sherwood | Lake Sherwood Dam | Potrero Valley Creek | Ventura | Sherwood Development Company | 1904 | Constant radius arch | 45 | 14 | 2,600 | 3,200 |
| Lake Siskiyou | Box Canyon Dam | Sacramento River | Siskiyou | Siskiyou County Flood Control & Water Conservation District | 1969 | Gravity | 204 | 62 | 26,000 | 32,000 |
| Lake Sonoma | Warm Springs Dam | Dry Creek | Sonoma | United States Army Corps of Engineers | 1982 | Earth | 319 | 97 | 381,000 | 470,000 |
| Lake Spaulding | Lake Spaulding Dam | Yuba River, South Fork | Nevada | Pacific Gas and Electric Company | 1913 | Variable radius arch | 275 | 84 | 74,773 | 92,231 |
| Lake Success | Success Dam | Tule River | Tulare | United States Army Corps of Engineers | 1961 | Earth | 142 | 43 | 82,300 | 101,500 |
| Lake Tahoe | Lake Tahoe Dam | Truckee River | Placer | United States Bureau of Reclamation | 1913 | Gravity | 14 | 4 | 732,000 | 903,000 |
| Lake Thomas A Edison | Vermilion Valley Dam | Mono Creek | Fresno | Southern California Edison | 1954 | Earth | 167 | 51 | 125,000 | 154,000 |
| Lake Van Arsdale | Van Arsdale Dam | South Eel River | Mendocino | Pacific Gas and Electric Company | 1907 | Gravity | 96 | 29 | 700 | 860 |
| Lake Wishon | Wishon Dam | North Fork Kings River | Fresno | Pacific Gas and Electric Company | 1958 | Rock-fill | 265 | 81 | 118,000 | 146,000 |
| Lake Yosemite | Lake Yosemite Dam | Merced River tributary | Merced | Merced Irrigation District | 1888 | Earth | 53 | 16 | 8,101 | 9,992 |
| Lewiston Lake | Lewiston Dam | Trinity River | Trinity | United States Bureau of Reclamation | 1963 | Earth | 35.5 | 10.8 | 14,660 | 18,080 |
| Lexington Reservoir | James J. Lenihan Dam | Los Gatos Creek | Santa Clara | Santa Clara Valley Water District | 1953 | Earth | 208 | 63 | 19,044 | 23,490 |
| Little Grass Valley Reservoir | Little Grass Valley Dam | South Fork Feather River | Plumas | South Feather Water and Power Agency | 1961 | Rock-fill | 210 | 64 | 93,010 | 114,730 |
| Little Rock Reservoir | Little Rock Dam | Little Rock Creek | Los Angeles | Little Rock Creek Irrigation District | 1924 | Gravity | 124 | 38 | 4,600 | 5,700 |
| Loch Lomond (California) | Newell Creek Dam | Newell Creek | Santa Cruz | Santa Cruz Water Dept. | 1960 | Earth | 190 | 58 | 9,200 | 11,300 |
| Loon Lake | Loon Lake Dam | Gerle Creek | El Dorado | Sacramento Municipal Utility District | 1963 | Rock-fill | 108 | 33 | 76,500 | 94,500 |
| Lopez Lake | Lopez Dam | Arroyo Grande Creek | San Luis Obispo | San Luis Obispo County Flood Control and Water Conservation District | 1969 | Earth | 166 | 51 | 52,500 | 64,800 |
| Los Padres Reservoir | Los Padres Dam | Carmel River | Monterey | California American Water Company | 1949 | Earth | 148 | 45 | 1,775 | 2,189 |
| Los Vaqueros Reservoir (expanded) | Los Vaqueros Dam | off stream reservoir storing Delta diversions | Contra Costa | Contra Costa Water District | 2012 | Earth | 218 | 70 | 160,000 | 200,000 |
| Lower Bear River Reservoir | Lower Bear River Dam | Bear River, Lower | Amador | Pacific Gas and Electric Company | 1952 | Rock-fill | 253 | 77 | 48,750 | 60,130 |
| Lower Hell Hole Reservoir | Lower Hell Hole Dam | Rubicon River | Placer | Placer County Water Authority | 1966 | Rock-fill | 410 | 125 | 208,400 | 257,100 |
| Lower Otay Reservoir | Savage Dam | Otay River | San Diego | City of San Diego | 1919 | Gravity | 149 | 45 | 49,510 | 61,070 |
| Lyons Reservoir | Lyons Dam | Stanislaus River, South Fork | Tuolumne | Pacific Gas and Electric Company | 1930 | Arch dam | 132 | 40 | 6,400 | 7,894 |
| Malibu Reservoir | Rindge Dam | Malibu Creek | Los Angeles | California Department of Parks and Recreation | 1924 | Arch | ? | ? | ? | ? |
| Mammoth Pool Reservoir | Mammoth Pool Dam | San Joaquin River | Fresno and Madera | Southern California Edison | 1960 | Earth | 406 | 124 | 123,000 | 152,000 |
| Martis Creek Lake | Martis Creek Dam | Martis Creek | Nevada | United States Army Corps of Engineers | 1972 | Earth | 113 | 34 | 20,400 | 25,200 |
| McCloud Reservoir | McCloud Dam | McCloud River | Shasta | Pacific Gas and Electric Company | 1965 | Earth and rock | 240 | 73 | 35,300 | 43,500 |
| McKay's Point Reservoir | McKay's Point Diversion Dam | Stanislaus River, North Fork | Calaveras | Calaveras County Water District | 1989 | Constant radius arch | 233 | 71 | 2,100 | 2,600 |
| Millerton Lake | Friant Dam | San Joaquin River | Fresno and Madera | United States Bureau of Reclamation | 1942 | Gravity | 299 | 91 | 520,500 | 642,000 |
| Mittry Lake | Laguna Diversion Dam | Colorado River | Imperial | United States Bureau of Reclamation | 1909 | Earth and rock | 10 | 3 | 1,950 | 2,410 |
| Moccasin Reservoir | Moccasin Dam | Moccasin Creek | Tuolumne | San Francisco Public Utilities Commission | 1930 | Rock | 60 | 18 | 554 | 683 |
| Modesto Reservoir | Modesto Reservoir Dam | Tuolumne River tributary | Stanislaus | Modesto Irrigation District | 1911 | Earth | 36 | 9 | 29,000 | 36,000 |
| Mojave River Forks Reservoir | Mojave Forks Dam | Mojave River, West Fork | San Bernardino | United States Army Corps of Engineers | 1971 | Earth | 204 | 62 | 89,700 | 110,600 |
| Moon Lake | Tule Lake Dam | Cedar Creek | Lassen | John Hancock Mutual Insurance Company | 1904 | Earth | 16 | 5 | 39,500 | 48,700 |
| Morena Reservoir | Morena Dam | Cottonwood Creek | San Diego | City of San Diego | 1912 | Rock-fill | 181 | 55 | 50,206 | 61,929 |
| Morris Reservoir | Morris Dam | San Gabriel River | Los Angeles | Los Angeles County Department of Public Works | 1935 | Gravity | 245 | 75 | 27,500 | 33,900 |
| Mountain Meadows Reservoir | Indian Ole Dam | Hamilton Creek | Lassen | Pacific Gas and Electric Company | 1929 | Flashboard and buttress | 26 | 8 | 24,800 | 30,600 |
| New Bullards Bar Reservoir | New Bullards Bar Dam | Yuba River, North Fork | Yuba | Yuba County Water Agency | 1970 | Variable radius arch | 635 | 194 | 969,600 | 1,196,000 |
| New Hogan Lake | New Hogan Dam | Calaveras River | Calaveras | United States Army Corps of Engineers | 1963 | Earth | 210 | 64 | 317,000 | 391,000 |
| New Lake | New Lake Dam | Little Bear Creek | San Bernardino | San Bernardino County | 1976 | Earth | 225 | 69 | 1,970 | 2,430 |
| New Melones Lake | New Melones Dam | Stanislaus River | Calaveras | United States Bureau of Reclamation | 1979 | Rock-fill | 578 | 176 | 2,400,000 | 2,960,000 |
| New Spicer Meadow Reservoir | New Spicer Meadow Dam | Highland Creek | Tuolumne and Alpine | Calaveras County Water District | 1989 | Rock-fill | 262 | 80 | 189,000 | 233,000 |
| Nicasio Reservoir | Seeger Dam | Nicasio Creek | Marin | Marin Municipal Water District | 1961 | Earth | 115 | 35 | 22,400 | 27,600 |
| Olivenhain Reservoir | Olivenhain Dam | Escondido Creek tributary | San Diego | San Diego County Water Authority | 2003 | Gravity | 309 | 94 | 24,900 | 30,700 |
| O'Neill Forebay | O'Neill Dam | San Luis Creek | Merced | United States Bureau of Reclamation | 1967 | Earth | 64 | 20 | 56,400 | 69,600 |
| Pacheco Reservoir | North Fork Dam | North Fork Pacheco Creek | Santa Clara | Pacheco Pass Water District | 1939 | Earth | 100 | 30 | 6,150 | 7,590 |
| Pacoima Reservoir | Pacoima Dam | Pacoima Creek | Los Angeles | Los Angeles County Department of Public Works | 1929 | Variable radius arch | 365 | 111 | 3,777 | 4,659 |
| Palm Canyon Dam Reservoir | Palm Canyon Dam | | Riverside | Santa Rosa Band of Cahuilla Indians | | | | | | |
| none (Palo Verde Valley Irrigation District) | Palo Verde Diversion Dam | Colorado River | Riverside | United States Bureau of Reclamation | 1957 | Earth and rock | 46 | 14 | ? | ? |
| Pardee Reservoir | Pardee Dam | Mokelumne River | Amador and Calaveras | East Bay Municipal Utility District | 1929 | Gravity | 345 | 105 | 179,950 | 221,960 |
| Pilarcitos Reservoir | Pilarcitos Dam | Pilarcitos Creek | San Mateo | San Francisco Public Utilities Commission | 1864 | | | | | |
| Pine Flat Lake | Pine Flat Dam | Kings River | Fresno | United States Army Corps of Engineers | 1954 | Gravity | 440 | 134 | 1,000,000 | 1,230,000 |
| Pinecrest Lake | Main Strawberry Dam | Stanislaus River, South Fork | Tuolumne | Pacific Gas and Electric Company | 1916 | Rock-fill | 143 | 44 | 18,312 | 22,588 |
| Pit Six Reservoir | Pit 6 Dam | Pit River | Shasta | Pacific Gas and Electric Company | 1965 | Gravity | 172 | 52 | 15,700 | 19,400 |
| Pit 7 Reservoir | Pit 7 Dam | Pit River | Shasta | Pacific Gas and Electric Company | 1965 | Gravity | 230 | 70 | 34,000 | 42,000 |
| Poe Reservoir | Poe Dam | North Fork Feather River | Butte | Pacific Gas and Electric Company | 1959 | Diversion | 62 | 19 | 1,150 | 1,418 |
| Prado Reservoir | Prado Dam | Santa Ana River | Riverside and San Bernardino | United States Army Corps of Engineers | 1941 | Rock-fill | 106 | 32 | 314,400 | 387,800 |
| Prosser Creek Reservoir | Prosser Creek Dam | Prosser Creek | Nevada | United States Bureau of Reclamation | 1962 | Earth | 133 | 41 | 29,800 | 36,800 |
| Puddingstone Reservoir | Puddingstone Dam | Walnut Creek | Los Angeles | Los Angeles County Department of Public Works | 1928 | Earth | 147 | 45 | 16,342 | 20,158 |
| Pyramid Lake | Pyramid Dam | Piru Creek | Los Angeles | California Department of Water Resources | 1973 | Earth and rock | 386 | 118 | 180,000 | 222,000 |
| Redinger Lake | Big Creek 7 Dam | San Joaquin River | Fresno | Southern California Edison | 1951 | Gravity | 233 | 71 | 35,000 | 43,000 |
| Rollins Reservoir | Rollins Dam | Bear River | Nevada | Nevada Irrigation District | 1965 | Earth and rock | 242 | 74 | 66,000 | 81,000 |
| Rowena Reservoir | Rowena Reservoir Dam | off-stream reservoir | Los Angeles | Los Angeles Department of Water and Power | 1901 | Earth | ? | ? | 30 | 39 |
| Ruth Reservoir | Robert W. Matthews Dam | Mad River | Trinity | Humboldt Bay Municipal Water District | 1962 | Earth | 150 | 46 | 51,800 | 63,900 |
| Salt Spring Valley Reservoir | Salt Springs Valley Dam | Rock Creek | Calaveras | Rock Creek Water District | 1882 | Earth | 47 | 14 | 10,900 | 13,400 |
| Salt Springs Reservoir | Salt Springs Dam | Mokelumne River, North Fork | Amador and Calaveras | Pacific Gas and Electric Company | 1931 | Rock-fill | 332 | 101 | 141,900 | 175,000 |
| San Andreas Lake | San Andreas Dam | San Mateo Creek tributary | San Mateo | City and County of San Francisco | 1870 | Earth | 107 | 33 | 19,027 | 23,470 |
| San Antonio Reservoir | James H. Turner Dam | San Antonio Creek | Alameda | City and County of San Francisco | 1964 | Earth | 193 | 59 | 50,500 | 62,300 |
| San Antonio Reservoir | San Antonio Dam | San Antonio Creek | San Bernardino | United States Army Corps of Engineers | 1956 | Earth | 160 | 49 | 7,582 | 9,352 |
| San Gabriel Reservoir | San Gabriel Dam No. 1 | San Gabriel River | Los Angeles | Los Angeles County Department of Public Works | 1938 | Earth and rock | 320 | 98 | 44,183 | 54,499 |
| San Joaquin Reservoir | San Joaquin Reservoir Dam | Bonita Creek tributary | Orange | Irvine Ranch Water District | 1966 | Earth | 224 | 68 | 3,036 | 3,745 |
| San Luis Reservoir | B.F. Sisk Dam (AKA San Luis Dam) | San Luis Creek | Merced | United States Bureau of Reclamation | 1967 | Earth | 305 | 93 | 2,041,000 | 2,518,000 |
| San Pablo Reservoir | San Pablo Dam | San Pablo Creek | Contra Costa | East Bay Municipal Utility District | 1920 | Earth | 170 | 52 | 43,193 | 53,278 |
| San Vicente Reservoir | San Vicente Dam | San Vicente Creek | San Diego | City of San Diego | 1943 | Gravity | 203 | 62 | 242,000 | 298,500 |
| Santa Anita Reservoir | Big Santa Anita Dam | Rio Hondo tributary | Los Angeles | Los Angeles County Department of Public Works | 1927 | Variable radius arch | 225 | 69 | 858 | 1,058 |
| Santa Fe Reservoir | Santa Fe Dam | San Gabriel River | Los Angeles | United States Army Corps of Engineers | 1947 | Earth | 92 | 28 | 30,887 | 38,098 |
| Santa Margarita Lake | Salinas Dam | Salinas River | San Luis Obispo | United States Army Corps of Engineers | 1942 | Variable radius arch | 135 | 41 | 26,000 | 32,000 |
| Santa Rosa Creek Reservoir | Santa Rosa Creek Dam | Santa Rosa Creek tributary | Sonoma | Sonoma County Water Agency | 1963 | Earth | 37 | 11 | 3,550 | 4,379 |
| Scotts Flat Reservoir | Scotts Flat Dam | Deer Creek | Nevada County | Nevada Irrigation District | 1948 | Earth | 175 | 53 | 49,000 | 60,000 |
| Searsville Lake | Searsville Dam | Corte Madera Creek | San Mateo County | Stanford University | 1890 | Gravity | 68 | 21 | 952 | 1,170 |
| Sepulveda Flood Control Basin | Sepulveda Dam | Los Angeles River | Los Angeles | United States Army Corps of Engineers | 1941 | Earth | 57 | 17 | 17,425 | 21,493 |
| Seven Oaks Reservoir | Seven Oaks Dam | Santa Ana River | San Bernardino | United States Army Corps of Engineers | 1999 | Rock-fill | 550 | 168 | 145,600 | 179,600 |
| Shasta Lake | Shasta Dam | Sacramento River | Shasta | United States Bureau of Reclamation | 1945 | Gravity | 521 | 159 | 4,552,200 | 5,615,000 |
| Shaver Lake | Shaver Lake Dam | Stevenson Creek | Fresno | Southern California Edison | 1927 | Gravity | 180 | 55 | 135,283 | 166,869 |
| ? | Sierra Madre Dam | Santa Anita Creek | Los Angeles | Los Angeles County Department of Public Works | 1928 | Constant radius arch | 69 | 21 | 51 | 63 |
| Silver Lake Reservoir | Silver Lake Reservoir Dam | off-stream reservoir | Los Angeles | Los Angeles Department of Water and Power | 1907 | Earth | ? | ? | 2,400 | 3,000 |
| Silverwood Lake | Cedar Springs Dam | Mojave River, West Fork | San Bernardino | California Department of Water Resources | 1971 | Earth and rock | 236 | 72 | 73,000 | 90,050 |
| Skinner Reservoir | Skinner Clearwell Dam | off-stream reservoir | Riverside | Metropolitan Water District of Southern California | 1973/1991 | Earth | 44 | 13 | 44,200 | 54,400 |
| Slab Creek Reservoir | Slab Creek Dam | American River, South Fork | El Dorado | Sacramento Municipal Utility District | 1967 | Variable radius arch | 233 | 71 | 16,600 | 20,500 |
| Sly Creek Reservoir | Sly Creek Dam | Lost Creek | Butte | Oroville-Wyandotte Irrigation District | 1961 | Earth | 271 | 83 | 65,050 | 80,240 |
| Spring Creek Reservoir | Spring Creek Dam | Spring Creek | Shasta | United States Bureau of Reclamation | 1963 | Earth | 184 | 56 | 5,874 | 7,246 |
| Stampede Reservoir | Stampede Dam | Little Truckee River | Sierra | United States Bureau of Reclamation | 1970 | Earth | 226 | 69 | 226,500 | 279,400 |
| Stevens Creek Reservoir | Stevens Creek Dam | Stevens Creek | Santa Clara | Santa Clara Valley Water District | 1935 | Earth | 129 | 39 | 3,452 | 4,258 |
| Stony Gorge Reservoir | Stony Gorge Dam | Stony Creek | Glenn | United States Bureau of Reclamation | 1928 | Gravity | 119 | 36 | 50,350 | 62,100 |
| Sugar Pine Reservoir | Sugar Pine Dam | North Shirttail Creek | Placer | Foresthill Public Utility District | 1981 | Earth | 251 | 77 | 6,916 | 8,531 |
| Sulphur Creek Reservoir | Sulphur Creek Dam | Sulphur Creek | Orange | Orange County | 1966 | Earth | 42 | 13 | 520 | 641 |
| Sweetwater Reservoir | Sweetwater Dam | Sweetwater River | San Diego | Sweetwater Authority | 1888 | Gravity-arch type | 108 | 88 | 28,079 | 34,635 |
| Thermalito Afterbay | Thermalito Afterbay Dam | Feather River tributary | Butte | California Department of Water Resources | 1967 | Earth | 38 | 12 | 57,041 | 70,359 |
| Tinemaha Reservoir | Tinemaha Dam | Owens River | Inyo | City of Los Angeles | 1928 | Earth | 32 | 10 | 16,405 | 20,235 |
| Topaz Lake | Topaz Dam | West Walker River | Mono | Walker River Irrigation District | 1922 | Earth | 122 | 37 | 126,000 | 155,000 |
| Trinity Lake | Trinity Dam | Trinity River | Trinity | United States Bureau of Reclamation | 1962 | Earth | 457 | 139 | 2,447,650 | 3,019,130 |
| Tulloch Reservoir | Tulloch Dam | Stanislaus River | Calaveras | Oakdale & South San Joaquin Irrigation Districts | 1958 | Gravity | 205 | 62 | 68,400 | 84,400 |
| Turlock Lake | Turlock Lake Dam | Tuolumne River tributary | Stanislaus | Turlock Irrigation District | 1915 | Hydraulic fill | 36 | 9 | 45,600 | 56,200 |
| Twain Harte Lake | Twain Harte Dam | Sullivan Creek | Tuolumne | Twain Harte Lake Association | 1928 | Multiple arch dam | 36 | 11 | 143 | 176 |
| Twitchell Reservoir | Twitchell Dam | Cuyama River | San Luis Obispo | United States Bureau of Reclamation | 1958 | Earth | 211 | 64 | 240,000 | 296,035 |
| Union Valley Reservoir | Union Valley Dam | Silver Creek (American River tributary) | El Dorado | Sacramento Municipal Utility District | 1963 | Earth and rock | 453 | 138 | 230,000 | 284,000 |
| Upper San Leandro Reservoir | San Leandro Dam | San Leandro Creek | Alameda & Contra Costa | East Bay Municipal Utility District | 1926/1977 | Earth | 182 | 55 | 42,000 | 52,000 |
| ? | Jamestown Mines Tailings Dam | Woods Creek tributary | Tuolumne | Tuolumne County | 1994 | Rock-fill | 200 | 61 | 12,100 | 14,900 |
| Uvas Reservoir | Uvas Dam | Uvas Creek | Santa Clara | Santa Clara Valley Water District | 1957 | Earth and rock | 105 | 32 | 9,935 | 12,255 |
| Vail Lake | Vail Dam | Temecula Creek | Riverside | Rancho California Water District | 1949 | Variable radius arch | 152 | 46 | 50,000 | 61,500 |
| Vasona Reservoir | Vasona Dam | Los Gatos Creek | Santa Clara | Santa Clara Valley Water District | 1935 | Earth and rock | 34 | 10 | 495 | 611 |
| ? | Villa Park Dam | Santiago Creek | Orange | Orange County | 1963 | Earth | 118 | 36 | 15,600 | 19,200 |
| West Valley Reservoir | West Valley Dam | West Valley Creek | Modoc | South Fork Irrigation District | 1936 | Earth and rock | 65 | 20 | 23,000 | 28,000 |
| Whale Rock Reservoir | Whale Rock Dam | Old Creek | San Luis Obispo | Whale Rock Commission | 1960 | Earth | 193 | 59 | 40,662 | 50,156 |
| Whiskeytown Lake | Whiskeytown Dam | Clear Creek | Shasta | United States Bureau of Reclamation | 1963 | Earth | 263 | 80 | 241,100 | 297,400 |
| Whittier Narrows Reservoir | Whittier Narrows Dam | San Gabriel River | Los Angeles | United States Army Corps of Engineers | 1957 | Earth | 56 | 17 | 67,060 | 82,720 |
| Woodward Reservoir | Woodward Dam | Simmons Creek | Stanislaus | South San Joaquin Irrigation District | 1918 | Hydraulic fill | 65 | 20 | 35,000 | 43,000 |
    Please add to this list from the below sources.

## Former dams

* Baldwin Hills Reservoir (1947–1963) - failed December 14, 1963
* St. Francis Dam (1926–1928) - failed March 12, 1928
* San Clemente Dam - intentionally removed in 2015-2016 because of environmental issues
* Van Norman Dams (1911–1971) - failed February 9, 1971, in 1971 San Fernando earthquake

## Proposed dams

* Ah Pah Dam (defunct)
* Auburn Dam (defunct)
* Centennial Dam
* Sites Reservoir
* Temperance Flat Dam