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

							Height of Dam	Reservoir Capacity	-	-
Reservoir	Dam	River	County	Owner	Completed	Type
Almaden Reservoir	Almaden Dam	Alamitos Creek	Santa Clara	Santa Clara Valley Water District	1935	Earth		1,586	1,956	-
Alpine Lake	Alpine Dam	Lagunitas Creek	Marin	Marin Municipal Water District	1917	Gravity		8,892	10,968	-
Anderson Lake	Leroy Anderson Dam	Coyote Creek	Santa Clara	Santa Clara Valley Water District	1950	Earth		91,280	112,590	-
Antelope Lake	Antelope Dam	Upper Indian Creek	Plumas	California Department of Water Resources	1965	Earth		22,566	27,835	-
Balsam Forebay	Balsam Meadow Dam	Balsam Creek, West Fork	Fresno	Southern California Edison	1986	Rock-fill		2,040	2,500	-
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		34,206	42,192	-
Bass Lake	Crane Valley Dam	Willow Creek, North Fork	Madera	Pacific Gas and Electric Company	1910	Hydraulic fill		45,410	56,010	-
Bear Gulch Reservoir	Bear Gulch Dam	off-stream reservoir	San Mateo	California Water Service Company	1896	Earth		672	829	-
Bear River Reservoir	Bear River Dam	Bear River	Amador	Pacific Gas and Electric Company	1900	Rock-fill		6,818	8,410	-
Beardsley Lake	Beardsley Dam	Stanislaus River, Middle Fork	Tuolumne	Oakdale & South San Joaquin Irrigation Districts	1957	Earth and rock		70,600	87,000	-
Bethany Reservoir	Bethany Forebay Dam	Italian Slough tributary	Alameda	California Department of Water Resources	1961	Earth		5,250	6,480	-
Big Bear Lake	Bear Valley Dam	Bear Creek	San Bernardino	Big Bear Municipal Water District	1911	Multiple Arch		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		30,200	37,300	-
Big Sage Reservoir	Big Sage Dam	Rattlesnake Creek	Modoc	Hot Springs Valley Irrigation District	1921	Earth		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		5,750	7,090	-
Black Butte Lake	Black Butte Dam	Stony Creek	Tehama and Glenn	United States Army Corps of Engineers	1963	Earth		143,700	177,300	-
Boca Reservoir	Boca Dam	Little Truckee River	Nevada	United States Bureau of Reclamation	1939	Earth		41,110	50,720	-
Bon Tempe Lake	Bon Tempe Dam	Lagunitas Creek	Marin	Marin Municipal Water District	1949	Earth		4,300	5,300	-
Bouquet Reservoir	Bouquet Canyon Dam	Bouquet Creek	Los Angeles	Los Angeles Department of Water and Power	1934	Earth		36,505	45,028	-
Bowman Lake	Bowman Dam	Canyon Creek	Nevada	Nevada Irrigation District	1927	Rock-fill		64,000	79,000	-
Bridgeport Reservoir	Bridgeport Dam	East Walker River	Mono	Walker River Irrigation District	1924	Earth		44,100	54,400	-
Briones Reservoir	Briones Dam	Bear Creek	Contra Costa	East Bay Municipal Utility District	1964	Earth		67,520	83,280	-
Brush Creek Reservoir	Brush Creek Dam	Brush Creek	El Dorado	Sacramento Municipal Utility District	1970	Variable radius arch		1,530	1,890	-
Bucks Lake	Bucks Storage Dam	Bucks Creek	Plumas	Pacific Gas and Electric Company	1928	Rock-fill		103,000	127,000	-
Butt Valley Reservoir	Butt Valley Dam	Butt Creek	Plumas	Pacific Gas and Electric Company	1924	Hydraulic fill		49,800	61,400	-
Buena Vista Lake	Buena Vista Dam	off-stream reservoir	Kern	J. Boswell & Tenneco West	1890	Earth		205,000	253,000	-
Calaveras Reservoir	Calaveras Dam	Calaveras Creek	Alameda	City and County of San Francisco	1925	Hydraulic fill		30,000	37,000	-
Calero Reservoir	Calero Dam	Calero Creek	Santa Clara	Santa Clara Valley Water District	1935	Earth		9,850	12,100	-
Camanche Reservoir	Camanche Dam	Mokelumne River	San Joaquin, Amador, and Calaveras	East Bay Municipal Utility District	1963	Earth		417,120	514,510	-
Camp Far West Reservoir	Camp Far West Dam	Bear River	Yuba	South Sutter Water District	1963	Earth and rock		104,500	128,900	-
Canyon Lake	Railroad Canyon Dam	San Jacinto River	Riverside	Elsinore Valley Municipal Water District	1928	Variable radius arch		11,900	14,600	-
Caples Lake	Caples Lake Dam	Silver Fork tributary	Alpine	El Dorado Irrigation District	1922	Earth and rock		21,580	26,620	-
Carbon Canyon Reservoir	Carbon Canyon Dam	Carbon Canyon Creek	Orange	United States Army Corps of Engineers	1961	Earth		6,615	8,160	-
Castaic Lake	Castaic Dam	Castaic Creek	Los Angeles	California Department of Water Resources	1973	Earth		323,700	399,300	-
Cedar Lake	Cedar Lake Dam	Talmadge Creek	San Bernardino	First Congregational Church of Los Angeles	1928	Arch dam		30	37	-
Cherry Lake	Cherry Valley Dam	Cherry Creek	Tuolumne	City and County of San Francisco	1956	Earth and rock		273,500	337,400	-
Chesbro Reservoir	Elmer Chesbro Dam	Llagas Creek	Santa Clara	Santa Clara Valley Water District	1955	Earth and rock		8,952	11,042	-
Clear Lake	Cache Creek Dam	Cache Creek	Lake	Yolo County Flood Control and Water Conservation District	1914	Gravity		1,155,000	1,425,000	-
Clear Lake Reservoir	Clear Lake Dam	Lost River	Modoc	United States Bureau of Reclamation	1910	Rock-fill		451,000	556,000	-
Clifton Court Forebay	Clifton Court Forebay Dam	Old River tributary	Contra Costa	California Department of Water Resources	1970	Earth		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		8,969	11,063	-
Collins Lake	Virginia Ranch Dam	Dry Creek	Yuba	Browns Valley Irrigation District	1963	Earth		57,000	70,000	-
Copco Lake	Copco No 1 Dam	Klamath River	Siskiyou	PacifiCorp	1922	Gravity		77,000	95,000	-
Courtright Reservoir	Courtright Dam	Helms Creek	Fresno	Pacific Gas and Electric Company	1958	Rock-fill		123,300	151,700	-
Coyote Lake	Coyote Dam	Coyote Creek	Santa Clara	Santa Clara Valley Water District	1936	Earth and rock		22,925	28,278	-
Crowley Lake	Long Valley Dam	Owens River	Mono	City of Los Angeles	1941	Earth		183,465	226,300	-
Crystal Springs Reservoir	Lower Crystal Springs Dam	San Mateo Creek	San Mateo	City and County of San Francisco	1888	Gravity		57,910	71,430	-
Diamond Valley Lake	Diamond Valley Dam	Domenigoni Valley Creek	Riverside	Metropolitan Water District of Southern California	1999	Earth and rock		800,000	987,000	-
Dodge Reservoir	Red Rock No. 1 Dam	Red Rock Creek	Lassen	Edgar S. Roberts	1893	Earth		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		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		56,893	70,176	-
Donner Lake	Donner Lake Dam	Donner Creek	Nevada	Truckee Meadows Water Authority	1927	Slab and buttress		10,300	12,700	-
Duvall Lake	Duvall Dam	Pope Creek tributary	Napa	Jerome W. Komes	1940	Earth		242	299	-
East Park Reservoir	East Park Dam	Little Stony Creek	Colusa	United States Bureau of Reclamation	1910	Concrete gravity		51,000	63,000	-
Eastman Lake	Buchanan Dam	Chowchilla River	Madera and Mariposa	United States Army Corps of Engineers	1975	Earth and rock		150,000	185,000	-
Eaton Wash Reservoir	Eaton Wash Dam	Eaton Wash	Los Angeles	Los Angeles County Department of Public Works	1937	Rock-fill		721	889	-
El Capitan Reservoir	El Capitan Dam	San Diego River	San Diego	City of San Diego	1934	Hydraulic fill		112,800	139,100	-
Elderberry Forebay	Elderberry Forebay Dam	Castaic Creek	Los Angeles	California Department of Water Resources	1974	Earth		28,400	35,000	-
Englebright Lake	Englebright Dam	Yuba River	Yuba	United States Army Corps of Engineers	1941	Variable radius arch		70,000	86,000	-
Fallen Leaf Lake	Fallen Leaf Dam	Taylor Creek	El Dorado	United States Forest Service	1934	Gravity		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		52,000	64,000	-
Florence Lake	Florence Lake Dam	San Joaquin River, South Fork	Fresno	Southern California Edison	1926	Multiple Arch		64,406	79,444	-
Folsom Lake	Folsom Dam	American River	Sacramento, Placer and El Dorado	United States Army Corps of Engineers	1956	Gravity		975,000	1,203,000	-
French Lake Reservoir	French Lake Dam	Canyon Creek	Nevada	Nevada Irrigation District	1859/1948	Rock-fill		12,500	15,400	-
French Meadows Reservoir	L.L. Anderson Dam	American River, Middle Fork	Placer	Placer County Water Authority	1965	Earth and rock		111,333	137,327	-
Frenchman Lake	Frenchman Dam	Little Last Chance Creek	Plumas	California Department of Water Resources	1961	Earth		55,477	68,430	-
Gibraltar Reservoir	Gibraltar Dam	Santa Ynez River	Santa Barbara	City of Santa Barbara	1920	Constant radius arch		9,998	12,332	-
Grant Lake	Grant Lake Dam	Rush Creek	Mono	City of Los Angeles	1940	Earth		47,525	58,622	-
Guadalupe Reservoir	Guadalupe Dam	Guadalupe Creek	Santa Clara	Santa Clara Valley Water District	1935	Earth		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		25,446	31,387	-
Hensley Lake	Hidden Dam	Fresno River	Madera	United States Army Corps of Engineers	1974	Earth		90,000	111,000	-
Hernandez Reservoir	Hernandez Dam	San Benito River	San Benito	San Benito County Water District	1962	Earth		18,000	22,000	-
Hetch Hetchy Reservoir	O'Shaughnessy Dam	Tuolumne River	Tuolumne	City and County of San Francisco	1923	Gravity		360,000	444,000	-
Hollywood Reservoir	Mulholland Dam	Weid Canyon	Los Angeles	Los Angeles Department of Water and Power	1924	Gravity		4,036	4,978	-
Hume Lake	Hume Lake Dam	Ten Mile Creek	Fresno	United States Forest Service	1908	Multiple arch		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		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		300,000	370,000	-
Iron Canyon Reservoir	Iron Canyon Dam	Iron Canyon Creek	Shasta	Pacific Gas and Electric Company	1965	Earth		24,300	30,000	-
Iron Gate Reservoir	Iron Gate Dam	Klamath River	Siskiyou	PacifiCorp	1962	Earth and rock		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		52,500	64,800	-
Jenkinson Lake	Sly Park Dam	Sly Park Creek	El Dorado	El Dorado Irrigation District	1955	Earth		41,000	51,000	-
Kent Lake	Peters Dam	Lagunitas Creek	Marin	Marin Municipal Water District	1954	Earth		32,900	40,600	-
Keswick Reservoir	Keswick Dam	Sacramento River	Shasta	United States Bureau of Reclamation	1950	Gravity		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		500	620	-
	Canyon Dam	Feather River, North Fork	Plumas	Pacific Gas and Electric Company	1927	Hydraulic fill	130	40	1,308,000	1,613,000
	Medley Lakes Dam	American River, South Fork, Tributary	El Dorado	El Dorado Irrigation District	1923	Gravity	21	6	5,350	6,600
	Alpine Dam	Silver Creek	Alpine	Northern California Power Agency	1906	Rock	49	15	4,122	5,084
	Jackson Creek Dam	Jackson Creek	Amador	Jackson Valley Irrigation District	1965	Earth and rock	193	59	22,000	27,000
	Lake Arrowhead Dam	Little Bear Creek	San Bernardino	Arrowhead Lake Association	1922	Hydraulic fill	190	58	48,000	59,000
	Monticello Dam	Putah Creek	Napa	United States Bureau of Reclamation	1957	Variable radius arch	255	78	1,602,000	1,976,000
	Pit 3 Dam	Pit River	Shasta	Pacific Gas and Electric Company	1925	Concrete gravity	120	37	34,600	42,678
	Bradbury Dam	Santa Ynez River	Santa Barbara	United States Bureau of Reclamation	1953	Earth	201	61	205,000	253,000
	Calero Dam	Deer Creek	Sacramento	Rancho Murieta Community Services District	1982	Earth		2,832	3,493	-
	Casitas Dam	Coyote Creek	Ventura	United States Bureau of Reclamation	1959	Earth	279	85	254,000	313,000
	North Fork Dam	North Fork American River	Placer	United States Army Corps of Engineers	1939	Variable radius arch	155	47	14,700	18,100
	Grizzly Valley Dam	Big Grizzly Creek	Plumas	California Department of Water Resources	1966	Earth and rock	115	35	83,000	102,000
	Del Valle Dam	Arroyo Valle	Alameda	California Department of Water Resources	1968	Earth	222	68	77,100	95,100
	Banning Dam	Eleanor Creek	Ventura	Conejo Open Space Conservation Agency	1889	Gravity	37	11	?	?
	Austrian Dam	Los Gatos Creek	Santa Clara	San Jose Water Agency	1950	Earth	185	56	6,200	7,650
	Lake Gregory Dam	Houston Creek	San Bernardino	San Bernardino County Regional Parks Division	1938	Earth	90	27	2,100	2,600
	Parker Dam	Colorado River	San Bernardino and Mohave	United States Bureau of Reclamation	1938	Variable radius arch	75	23	648,000	799,000
	Hemet Dam	San Jacinto River	Riverside	Lake Hemet Municipal Water District	1895	Masonry	135	41	8,100	9,800
	Conn Creek Dam	Conn Creek	Napa	City of Napa	1946	Earth	125	38	31,000	38,000
	Henshaw Dam	San Luis Rey River	San Diego	Vista Irrigation District	1923	Hydraulic fill	123	37.5	53,400	65,700
	Lake Hodges Dam	San Dieguito River	San Diego	City of San Diego	1918	Multiple arch	131	40	30,250	37,200
	Santiago Dam	Santiago Creek	Orange	Serrano Water District and Irvine Ranch Water District	1933	Earth	136	41	25,000	31,000
	Isabella Dam	Kern River	Kern	United States Army Corps of Engineers	1953	Earth	185	56	568,000	701,000
	Chet Harritt Dam	Quail Canyon Creek	San Diego	Helix Water District	1962	Earth	200	61	9,790	12,080
	Terminus Dam	Kaweah River	Tulare	United States Army Corps of Engineers	1962	Earth	255	78	143,000	176,000
	Lagunitas Dam	Lagunitas Creek	Marin	Marin Municipal Water District	1872	Earth	48	15	341	421
	Loveland Dam	Sweetwater River	San Diego	South Bay Irrigation District	1945	Variable radius arch	203	62	25,400	31,300
	Mathews Dam	Cajalco Creek tributary	Riverside	Metropolitan Water District of Southern California	1938	Earth	264	80	182,000	224,000
	New Exchequer Dam	Merced River	Mariposa	Merced Irrigation District	1967	Rock-fill	479	146	1,032,000	1,273,000
	Coyote Valley Dam	Russian River, East Fork	Mendocino	United States Army Corps of Engineers	1959	Earth	164	50	122,400	151,000
	Nacimiento Dam	Nacimiento River	San Luis Obispo	Monterey County Water Authority	1961	Rock-fill	210	64	350,000	432,000
	Nimbus Dam	American River	Sacramento	United States Bureau of Reclamation	1955	Gravity	47	14	8,760	10,810
	Oroville Dam	Feather River	Butte	California Department of Water Resources	1968	Earth	742	226	3,537,577	4,363,530
	Harold Reservoir Dam	Antelope Valley tributary	Los Angeles	Palmdale Water District	1891	Earth	30	9	3,870	4,774
	Perris Dam	Bernasconi Pass	Riverside	California Department of Water Resources	1973	Earth	130	40	131,452	162,143
	Scott Dam	Eel River	Lake	Pacific Gas and Electric Company	1921	Gravity	138	42	73,000	90,000
	Santa Felicia Dam	Piru Creek	Ventura	United Water Conservation District	1955	Earth	213	65	100,000	123,000
	Ramona Dam	Green Valley Road Creek	San Diego	Ramona Municipal Water District	1988	Earth	228	69	12,200	15,000
	Sabrina Dam	Bishop Creek, Middle Fork	Inyo	Southern California Edison	1908	Rock-fill	70	21	8,376	10,332
	San Antonio Dam	San Antonio River	Monterey	Monterey County Water Authority	1965	Earth	202	62	350,000	432,000
	Shasta River Dam	Shasta River	Siskiyou	Montague Water Conservation District	1928	Hydraulic fill	96	29	50,000	60,000
	Lake Sherwood Dam	Potrero Valley Creek	Ventura	Sherwood Development Company	1904	Constant radius arch	45	14	2,600	3,200
	Box Canyon Dam	Sacramento River	Siskiyou	Siskiyou County Flood Control & Water Conservation District	1969	Gravity	204	62	26,000	32,000
	Warm Springs Dam	Dry Creek	Sonoma	United States Army Corps of Engineers	1982	Earth	319	97	381,000	470,000
	Lake Spaulding Dam	Yuba River, South Fork	Nevada	Pacific Gas and Electric Company	1913	Variable radius arch	275	84	74,773	92,231
	Success Dam	Tule River	Tulare	United States Army Corps of Engineers	1961	Earth	142	43	82,300	101,500
	Lake Tahoe Dam	Truckee River	Placer	United States Bureau of Reclamation	1913	Gravity	14	4	732,000	903,000
	Vermilion Valley Dam	Mono Creek	Fresno	Southern California Edison	1954	Earth	167	51	125,000	154,000
	Van Arsdale Dam	South Eel River	Mendocino	Pacific Gas and Electric Company	1907	Gravity	96	29	700	860
	Wishon Dam	Kings River, North Fork	Fresno	Pacific Gas and Electric Company	1958	Rock-fill	265	81	118,000	146,000
	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	Newell Creek Dam	Newell Creek	Santa Cruz	Santa Cruz Water Dept.	1960	Earth		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 Dam	Carmel River	Monterey		1949	Earth	148	45		2,189
Los Vaqueros Reservoir	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
O'Neill Forebay	O'Neill Dam	San Luis Creek	Merced	United States Bureau of Reclamation	1967	Earth	64	20	56,400	69,600
Olivenhain Reservoir	Olivenhain Dam	Escondido Creek tributary	San Diego	San Diego County Water Authority	2003	Gravity	309	94	24,900	30,700
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
none	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
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
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	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	El Dorado	Sacramento Municipal Utility District	1963	Earth and rock	453	138	230,000	284,000
Upper San Leandro Reservoir		San Leandro Creek	Alameda & Contra Costa	East Bay Municipal Utility District					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

Former dams

Baldwin Hills Reservoir failed December 14, 1963
St. Francis Dam failed March 12, 1928
San Clemente Dam, intentionally removed in 2015 - 2016 because of environmental issues.
Proposed dams
Ah Pah Dam
Auburn Dam
Centennial Dam
Sites Reservoir
Temperance Flat Dam

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List of dams and reservoirs in California

Dams in service

Former dams

Proposed dams