Alameda County Lakes
Name (# of Reports) Last Update Location
Del Valle Lake (595) 1-8-2018 Livermore, CA
Don Castro Reservoir (34) 12-29-2017 Hayward, CA
Lake Chabot (406) 12-15-2017 Castro Valley, CA
Lake Temescal (9) 12-29-2017 Oakland, CA
Quarry Lakes (270) 5-6-2016 Fremont, CA
Shadow Cliffs Reservoir (300) 12-29-2017 Pleasanton, CA
 

Alpine County Lakes
Name (# of Reports) Last Update Location
Blue Lake Lower (8) 6-22-2017 Hope Valley, CA
Burnside Lake [ESFR] (18) 11-2-2017 Markleville, CA
Caples Lake [ESFR] (198) 1-10-2018 Kirkwood, CA
Heenan Lake [ESFR] (56) 8-28-2017 Markleeville, CA
Highland Lakes (18) 10-19-2017 Lake Alpine, CA
Indian Creek Reservoir [ESFR] (168) 1-10-2018 Markleeville, CA
Kinney Reservoir [ESFR] (4) 10-19-2017 Markleeville, CA
Lake Alpine (84) 10-19-2017 Lake Alpine, CA
Lower Blue Lake [ESFR] (0) CA
Mosquito Lakes (27) 10-19-2017 Lake Alpine, CA
Red Lake [ESFR] (28) 6-22-2017 Hope Valley, CA
Red Lakes (4) 11-16-2017 Alpine County, CA
Union Reservoir (6) 10-19-2017 Bear Valley, CA
Woods Lake [ESFR] (15) 11-16-2017 CA
 

Amador County Lakes
Name (# of Reports) Last Update Location
Bear River Reservoir Lower (18) 10-1-2014 Kit Carson, CA
Lake Amador (391) 1-15-2018 Ione, CA
Lake Camanche (556) 1-14-2018 Wallace, CA
Pardee Reservoir (394) 5-19-2017 Ione, CA
Silver Lake (58) 12-13-2017 Kirkwood, CA
 

Butte County Lakes
Name (# of Reports) Last Update Location
Lake De Sabla (0) CA
Lake Oroville (429) 1-2-2018 Oroville, CA
 

Calaveras County Lakes
Name (# of Reports) Last Update Location
New Hogan Reservoir (85) 10-18-2016  
New Melones Reservoir (594) 1-16-2018 Angels Camp, CA
Schaads Reservoir (0) Porter, CA
White Pines Lakes (65) 10-19-2017 Arnold, CA
 

Colusa County Lakes
Name (# of Reports) Last Update Location
Upper Letts Lake (0) Fouts Springs, CA
 

Contra Costa County Lakes
Name (# of Reports) Last Update Location
Contra Loma Reservoir (273) 12-29-2017 Antioch, CA
Lafayette Reservoir (282) 3-21-2016 Lafeyette, CA
Los Vaqueros Reservoir (396) 10-26-2017 Livermore, CA
San Pablo Reservoir (451) 11-12-2017 El Sobrante, CA
 

Del Norte County Lakes
Name (# of Reports) Last Update Location
Dry Lake (0) Hiouchi, CA
 

El Dorado County Lakes
Name (# of Reports) Last Update Location
Fallen Leaf Lake (1) 4-1-2009 El Dorado County, CA
Folsom Lake (96) 1-3-2018 Folsom Lake, CA
Ice House Reservoir (2) 4-28-2010 White Hall, CA
Jenkinson Lake (100) 6-5-2017 CA
Lake Tahoe [ESFR] (371) 1-10-2018  
Lake Walton (0) CA
Loon Lake (6) 12-19-2017 CA
Stumpy Meadows Reservoir (1) 3-28-2007 Georgetown, CA
Union Valley Reservoir (27) 8-21-2013 Placerville, CA
 

Fresno County Lakes
Name (# of Reports) Last Update Location
Brave Lake (1) 7-21-2016 CA
Edison Lake (40) 7-2-2015  
Huntington Lake (53) 7-2-2015 Lakeshore, CA
Millerton Lake (7) 4-9-2017 Friant, CA
Pine Flat Lake (47) 2-19-2017 Pine Flat Lake, CA
Shaver Lake (160) 9-5-2016 Shaver Lake, CA
Ward Lake (0) CA
 

Glenn County Lakes
Name (# of Reports) Last Update Location
Black Butte Lake (2) 9-1-2011 CA
Plaskett Meadows Lake (0) CA
 

Humboldt County Lakes
Name (# of Reports) Last Update Location
Fish Lake (3) 11-21-2017 Weitchpec, CA
 

Lake County Lakes
Name (# of Reports) Last Update Location
Blue Lake Upper (3) 3-30-2008 Lake County, CA
Clear Lake (469) 11-26-2017 Clearlake, CA
Hidden Valley Lake (0) CA
Indian Valley Reservoir (1) 3-28-2007 CA
Pillsbury Reservoir (68) 12-11-2015 Potter Valley, CA
 

Lassen County Lakes
Name (# of Reports) Last Update Location
Blue Lake (58) 11-2-2017 Likely, CA
Buckhorn Reservoir (0) CA
Butte Lake (47) 9-9-2015  
Crater Lake (2) 9-1-2016 Lassen County, CA
Eagle Lake (238) 10-5-2017 Susanville, CA
Horseshoe Lake (31) 12-29-2017 CA
Lake Eiler (1) 9-21-2016 Thousand Lakes WIlderness, CA
Long Lake (1) 10-30-2014 CA
Silver Lake (5) 6-12-2011 Lassen County, CA
 

Madera County Lakes
Name (# of Reports) Last Update Location
Bass Lake (98) 8-13-2015 Montague, CA
Mammoth Pool Reservoir (0) CA
Manzanita Lake (52) 10-12-2016 CA
Sotcher Lake (2) 11-14-2007 Mammoth Lakes, CA
Starkweather Lake (1) 8-7-2007 Mammoth Lakes, CA
 

Marin County Lakes
Name (# of Reports) Last Update Location
Alpine Lake (6) 10-10-2016 Fairfax, CA
Bon Tempe Reservoir (107) 4-10-2017 Mount Tamalpais, CA
Lake Lagunitas (5) 3-11-2015 Fairfax, CA
Nicasio Lake (1) 3-28-2007 Petaluma, CA
Phoenix Lake (0) Ross, CA
 

Mariposa County Lakes
Name (# of Reports) Last Update Location
Eastman Lake (1) 4-3-2016 Raymond, CA
Lake McClure (91) 4-8-2017  
McSwain Reservoir (195) 5-25-2017 Snelling, CA
 

Mendocino County Lakes
Name (# of Reports) Last Update Location
Hammerhorn Lake (0) CA
Howard Lake (1) 5-17-2016 CA
Lake Mendocino (123) 3-14-2016  
 

Merced County Lakes
Name (# of Reports) Last Update Location
San Luis Reservoir (281) 4-1-2017 Los Banos, CA
Yosemite Lake (0) CA
 

Modoc County Lakes
Name (# of Reports) Last Update Location
Ballard Reservoir (0) CA
Delta Lake (32) 10-17-2017 CA
 

Mono County Lakes
Name (# of Reports) Last Update Location
Alpine Lakes [ESFR] (46) 11-29-2017 CA
Big Virginia Lake [ESFR] (4) 7-23-2007 Bridgeport, CA
Blue Lake [ESFR] (9) 11-29-2017 Bridgeport, CA
Bridgeport Reservoir [ESFR] (589) 1-14-2018 Bridgeport, CA
Convict Lake [ESFR] (330) 11-20-2017 Mammoth Lakes, CA
Crowley Lake [ESFR] (456) 11-27-2017 Mammoth Lakes, CA
Ellery Lake [ESFR] (0) Lee Vining, CA
Grant Lake [ESFR] (30) 10-19-2017 June Lake, CA
Gull Lake [ESFR] (115) 10-19-2017 June Lake, CA
Horseshoe Lake [ESFR] (1) 4-13-2010 Mammoth Lakes, CA
June Lake [ESFR] (144) 9-28-2017 June Lake, CA
June Lake Loop [ESFR] (102) 9-10-2017 June Lake, CA
Kirman Lake [ESFR] (287) 1-14-2018 Mono County, CA
Lake George [ESFR] (6) 7-27-2013 Mammoth Lakes, CA
Lake Mamie [ESFR] (3) 9-20-2016 Mammoth Lakes, CA
Lake Mary [ESFR] (14) 10-11-2017 Mammoth Lakes, CA
Little Virginia Lake [ESFR] (4) 8-25-2007 Bridgeport, CA
Lundy Lake [ESFR] (12) 5-2-2013 Lee Vining, CA
Mammoth Lakes [ESFR] (201) 10-17-2017  
Parker Lake [ESFR] (3) 9-15-2016 June Lake , CA
Poore Lake [ESFR] (1) 6-21-2007 CA
Red Lake [ESFR] (49) 1-10-2018 Bridgeport, CA
Saddlebag Lake [ESFR] (10) 6-27-2012 Lee Vining, CA
Silver Lake [ESFR] (255) 11-2-2017 June Lake, CA
Topaz Lake [ESFR] (230) 1-14-2018 Gardnerville, NV
Trumble Lake [ESFR] (3) 8-20-2007 Bridgeport, CA
Twin Lake Lower [ESFR] (24) 10-29-2017 Bridgeport, CA
Twin Lake Upper [ESFR] (23) 8-8-2016 Bridgeport, CA
Twin Lakes (Bridgeport) [ESFR] (334) 1-14-2018 Bridgeport, CA
Twin Lakes (Mammoth Basin) [ESFR] (2) 7-25-2016 Mammoth Lakes, CA
Virginia Lakes [ESFR] (365) 1-14-2018 Bridgeport, CA
Walker Lake [ESFR] (1) 5-20-2010 June Lake, CA
 

Monterey County Lakes
Name (# of Reports) Last Update Location
Lake San Antonio (138) 1-10-2017 Bradley, CA
Los Padres Reservoir (0) Carmel, CA
 

Napa County Lakes
Name (# of Reports) Last Update Location
Lake Berryessa (607) 1-11-2018 Winters, CA
Lake Hennessey (9) 3-17-2016 Rutherford, CA
 

Nevada County Lakes
Name (# of Reports) Last Update Location
Boca Reservoir [ESFR] (207) 9-21-2017 Truckee, CA
Donner Lake [ESFR] (319) 1-7-2018 Truckee, CA
Englebright Reservoir (4) 4-14-2017 Smartsville, CA
Jackson Meadows Reservoir (134) 9-21-2017  
Lake Spaulding (1) 5-15-2017 Emigrant Gap, CA
Martis Creek Lake (0) CA
Milton Lake (1) 7-16-2008 CA
Prosser Reservoir (180) 9-21-2017 CA
Rollins Reservoir (3) 12-8-2015 Colfax, CA
Scotts Flat Reservoir (5) 11-10-2016 Nevada City, CA
 

Placer County Lakes
Name (# of Reports) Last Update Location
French Meadows Reservoir (1) 5-29-2017 CA
Hell Hole Reservoir (1) 7-28-2017  
Lake Valley Reservoir (0) CA
 

Plumas County Lakes
Name (# of Reports) Last Update Location
Antelope Lake (44) 5-27-2015 CA
Bucks Lake (107) 6-1-2015 CA
Bucks Lake (19) 9-30-2015 Quincy, CA
Davis Lake [ESFR] (369) 11-12-2017 Portola, CA
Frenchman Reservoir (289) 9-21-2017 Portola, CA
Graeagle Lake (0) CA
Lake Almanor (288) 1-19-2018 CA
Lassen Meadows Ranch (18) 7-18-2013 CA
 

Sacramento County Lakes
Name (# of Reports) Last Update Location
Mather Lake (0) Rancho Cordova, CA
 

San Benito County Lakes
Name (# of Reports) Last Update Location
McAlpine Lake (79) 2-18-2016 San Juan Bautista, CA
San Justo Reservoir (0) Hollister, CA
 

San Francisco County Lakes
Name (# of Reports) Last Update Location
Lake Merced North (0) San Francisco, CA
 

San Joaquin County Lakes
Name (# of Reports) Last Update Location
Lake Solano (0) CA
Tracy Lake (210) 1-14-2015  
 

San Luis Obispo County Lakes
Name (# of Reports) Last Update Location
Barney Schwartz Park Lake (0) San Luis Obispo, CA
Lake Nacimiento (130) 9-30-2016 Bradley, CA
Lopez Lake (183) 12-18-2015 Arroyo Grande, CA
Santa Margarita Lake (299) 12-31-2017 CA
 

Santa Clara County Lakes
Name (# of Reports) Last Update Location
Anderson Reservoir (275) 6-22-2016 Morgan Hill, CA
Calero Lake (271) 4-21-2016 San Jose, CA
Chesbro Reservoir (216) 3-10-2016 Morgan Hill, CA
Cottonwood Lake (0) CA
Coyote Lake (216) 4-21-2016 CA
Lexington Reservoir (61) 11-25-2015 Los Gatos, CA
Parkway Lake (1) 3-28-2007 CA
Uvas Reservoir (201) 4-21-2016 Morgan Hill, CA
 

Santa Cruz County Lakes
Name (# of Reports) Last Update Location
Loch Lomond (149) 2-19-2015 CA
Pinto Lake (2) 5-8-2008 Watsonville, CA
 

Shasta County Lakes
Name (# of Reports) Last Update Location
Baum Lake (224) 2-1-2017 Cassel, CA
Grace Lake (3) 9-3-2016 Shingletown, CA
Iron Canyon Reservoir (55) 11-6-2016 Deadlun, CA
Keswick Reservoir (59) 11-7-2017 Redding, CA
Kilarc Reservoir (4) 8-21-2017 CA
Lake Britton (29) 4-12-2008 CA
Lake Christine (17) 11-30-2015 CA
Lake McCloud (2) 8-26-2015 CA
Lake McCumber (8) 11-8-2016 Viola, CA
McCumber Reservoir (47) 2-9-2016 Viola, CA
Nora Lake (1) 7-10-2010 Shingletown, CA
North Battle Creek Reservoir (0) CA
Shasta Lake (505) 1-21-2018 Shasta Lake, CA
Whiskeytown Reservoir (94) 12-12-2017 Whiskeytown, CA
 

Sierra County Lakes
Name (# of Reports) Last Update Location
Gold Lake (30) 9-17-2017 Graeagle, CA
Packer Lake (15) 9-17-2017 CA
Salmon Lake Upper (21) 9-17-2017 Graeagle, CA
Sardine Lake Lower (86) 9-17-2017 Graeagle, CA
Snag Lake (17) 9-17-2017 Sierra City, CA
Stampede Reservoir [ESFR] (226) 9-21-2017 Truckee, CA
 

Siskiyou County Lakes
Name (# of Reports) Last Update Location
Castle Lake (1) 1-22-2017 CA
Lake Shastina (0) CA
McCloud Reservoir (56) 12-25-2017 McCloud, CA
Medicine Lake (2) 8-4-2006 Volcano, CA
Siskiyou Lake (98) 1-16-2018 Mount Shatsa, CA
 

Sonoma County Lakes
Name (# of Reports) Last Update Location
Lake Sonoma (184) 9-6-2017 Healdsburg, CA
Ralphine Lake (0) Santa Rosa, CA
Spring Lake (2) 2-13-2015 Santa Rosa, CA
 

Stanislaus County Lakes
Name (# of Reports) Last Update Location
Iron Gate Reservoir (2) 6-25-2014  
Modesto Reservoir (1) 4-14-2011 Waterford, CA
Turlock Lake (0) CA
 

Trinity County Lakes
Name (# of Reports) Last Update Location
Ewing Reservoir (0) CA
Lewiston Lake (272) 10-12-2016 Lewiston, CA
Ruth Lake (4) 6-1-2017 Six Rivers National Forest, CA
Skycrest Lake (1) 6-8-2017 Burnt Ranch, CA
Trinity Lake (192) 11-20-2017 Trinity Center, CA
 

Tulare County Lakes
Name (# of Reports) Last Update Location
Lake Kaweah (1) 5-2-2012 CA
Lake Success (0) CA
 

Tuolumne County Lakes
Name (# of Reports) Last Update Location
Beardsley Lake (0) CA
Don Pedro Reservoir (207) 11-15-2017 La Grange, CA
Hetch Hetchy Reservoir (1) 12-15-2017 Yosemite, CA
Pinecrest Lake (1) 10-19-2011 Pinecrest, CA
Spicer Meadow Reservoir (66) 10-19-2017 Bear Valley, CA
Tulloch Reservoir (24) 12-11-2015 CA
 

Yuba County Lakes
Name (# of Reports) Last Update Location
Bullards Bar Reservoir (172) 4-28-2017 Dobbins, CA
Collins Lake (457) 3-12-2017 Browns Valley, CA
Merle Collins Reservoir (0) CA