Inyo County Lakes
Name (# of Reports) Last Update Location
Diaz Lake [ESFR] (1) 9-1-2024 Lone Pine, CA
Haiwee Reservoir [ESFR] (11) 1-4-2008 Olancha, CA
Klondike Lake (1) 4-22-2024 Big Pine, CA
Lake Sabrina [ESFR] (399) 4-19-2026 Bishop, CA
North Lake [ESFR] (92) 5-1-2025 Bishop, CA
Pleasant Valley Reservoir [ESFR] (191) 3-12-2025 Bishop, CA
Rock Creek Lake [ESFR] (101) 5-14-2025 Toms Place, CA
South Lake [ESFR] (194) 9-18-2025 Bishop, CA
Weir Lake [ESFR] (56) 8-3-2021 Bishop, CA
 

Kern County Lakes
Name (# of Reports) Last Update Location
Brite Valley Reservoir (19) 4-10-2026 Tehachapi, CA
Buena Vista Lakes (226) 6-12-2026 Bakersfield, CA
Cedar Creek Lake (1) 2-28-2021 TX
Hart Park Lake (220) 6-12-2026 Bakersfield, CA
Lake Isabella (296) 6-12-2026 Lake Isabella, CA
Ming Lake (231) 6-12-2026 Bakersfield, CA
River Walk Lakes (214) 6-12-2026 Kern County, CA
Truxtun Lake (51) 12-26-2025 Bakersfield, CA
 

Los Angeles County Lakes
Name (# of Reports) Last Update Location
Castaic Lagoon (6) 9-26-2022 Castaic, CA
Castaic Lake (746) 6-12-2026 Castaic, CA
Jackson Lake (2) 3-8-2025 Wrightwood, CA
Kenneth Hahn SRA Lake (2) 11-3-2025 Los Angeles, CA
Legg Lake (5) 3-13-2023 South El Monte, CA
Puddingstone Lake (14) 10-27-2008 San Dimas, CA
Pyramid Lake, CA (463) 6-12-2026 Caswell, CA
Quail Lake (1) 2-26-2015 Gorman, CA
Santa Fe Reservoir (25) 2-6-2026 Irwindale, CA
 

Mono County Lakes
Name (# of Reports) Last Update Location
Arrowhead Lake (Mammoth Lakes) (1) 7-27-2013 CA
Barney Lake (2) 5-23-2024 CA
Big Virginia Lake [ESFR] (29) 5-23-2026 Bridgeport, CA
Bridgeport Reservoir [ESFR] (1164) 6-11-2026 Bridgeport, CA
Convict Lake [ESFR] (484) 6-11-2026 Mammoth Lakes, CA
Crowley Lake [ESFR] (746) 2-5-2026 Mammoth Lakes, CA
Ellery Lake [ESFR] (7) 6-11-2026 Lee Vining, CA
Grant Lake [ESFR] (395) 6-2-2026 June Lake, CA
Gull Lake [ESFR] (209) 5-20-2026 June Lake, CA
June Lake [ESFR] (332) 6-5-2026 June Lake, CA
June Lake Loop [ESFR] (150) 4-4-2026 June Lake, CA
Kirman Lake [ESFR] (390) 6-7-2026 Mono County, CA
Lake George [ESFR] (14) 6-2-2026 Mammoth Lakes, CA
Lake Mamie [ESFR] (8) 6-22-2025 Mammoth Lakes, CA
Lake Mary [ESFR] (105) 5-3-2026 Mammoth Lakes, CA
Little Virginia Lake [ESFR] (12) 4-27-2024 Bridgeport, CA
Lundy Lake [ESFR] (34) 5-28-2026 Lee Vining, CA
Mammoth Lakes [ESFR] (203) 4-26-2023 Mammoth, CA
Mammoth Lakes Basin (32) 5-21-2025 CA
Parker Canyon Lake (3) 9-15-2016 AZ
Poore Lake [ESFR] (2) 7-7-2019 Sonora Junction, CA
Red Lake (49) 1-10-2018 CA
Saddlebag Lake [ESFR] (28) 5-15-2026 Lee Vining, CA
Silver Lake [ESFR] (438) 5-26-2026 June Lake, CA
Skelton Lake (1) 7-27-2013 CA
Tioga Lake [ESFR] (5) 8-3-2025 Tioga Pass, CA
Topaz Lake (415) 5-20-2026 Gardnerville, CA
Trumbull Lake [ESFR] (19) 4-25-2026 Bridgeport, CA
Twin Lake Lower [ESFR] (266) 6-10-2026 Bridgeport, CA
Twin Lake Upper [ESFR] (131) 6-7-2026 Bridgeport, CA
Twin Lakes (Bridgeport) [ESFR] (606) 6-7-2026 Bridgeport, CA
Twin Lakes (Mammoth Basin) [ESFR] (13) 8-26-2025 Mammoth Lakes, CA
Virginia Lakes [ESFR] (612) 6-7-2026 Bridgeport, CA
 

Orange County Lakes
Name (# of Reports) Last Update Location
Anaheim Lake (20) 12-7-2012 CA
Irvine Lake (449) 2-16-2021 Silverado, CA
Laguna Lake (3) 3-25-2025 Fullterton, CA
Laguna Niguel Lake (76) 2-16-2021 Laguna Nigel, CA
Santa Ana River Lakes (273) 1-27-2024 Santa Ana, CA
 

Riverside County Lakes
Name (# of Reports) Last Update Location
Anglers Lake (6) 12-31-2007 Hemet, CA
Bogart Regional Park (16) 4-8-2026 Cherry Valley, CA
Cahuilla Lake (19) 10-29-2025 La Quinta, CA
Corona Lake (249) 12-13-2013 Corona, CA
Cucamonga-Guasti (64) 12-16-2025 Onatrio, CA
Diamond Valley Lake (587) 2-19-2026 Hemet, CA
Evans Lake (1) 10-23-2025 Riverside , CA
Hemet Lake (264) 3-6-2026 Mountain Center, CA
Lake Elsinore (36) 5-21-2025 Lake Elsinore, CA
Lake Matthews (1) 11-14-2024 Corona, CA
Lake Perris (329) 2-11-2025 Perris, CA
Lake Skinner (620) 5-24-2026 Temecula, CA
Rancho Jurupa (15) 9-9-2024 Riverside, CA
Vail Lake (1) 11-7-2015 Temecula, CA
 

San Bernardino County Lakes
Name (# of Reports) Last Update Location
Big Bear Lake (211) 6-5-2026 Big Bear Lake, CA
Glen Helen Lake (64) 9-2-2021 San Bernardino, CA
Green Valley Lake (5) 8-25-2025 Green Valley Lake, CA
Gregory Lake (33) 2-11-2026 Crestine, CA
Hesperia Lake (186) 6-9-2026 Hesperia, CA
Jess Ranch Lakes (180) 10-21-2025 Apple Valley, CA
Lake Havasu (44) 8-31-2025 Havasu City, AZ
Mojave Narrows Park Lake (62) 2-10-2026 Victorville, CA
Pelican Lake (14) 3-27-2019 CA
Prado Lake (80) 1-2-2026 Chino, CA
Reflection Lake (11) 6-15-2021 San Jacinto, CA
Silverwood Lake (470) 5-23-2026 Cedarpines Park, CA
Upper & Lower Mountain Lakes (9) 2-13-2026 Lytle Creek, CA
Yucaipa Regional Park Lake (80) 2-19-2025 Yucaipa, CA
 

San Diego County Lakes
Name (# of Reports) Last Update Location
Barrett Lake [SDFR] (151) 2-26-2022 Dulzura, CA
Chollas Lake [SDFR] (9) 6-6-2026 San Diego, CA
Dixon Lake [SDFR] (318) 3-11-2026 Escondido, CA
El Capitan Reservoir [SDFR] (289) 6-4-2024 Alpine, CA
Lake Cuyamaca [SDFR] (259) 6-29-2024 Julian, CA
Lake Henshaw [SDFR] (10) 6-11-2026 Santa Ysabel, CA
Lake Hodges [SDFR] (241) 7-4-2025 Del Dios, CA
Lake Jennings [SDFR] (919) 6-4-2026 Lakeside, CA
Lake Morena [SDFR] (145) 10-23-2025 Campo, CA
Lake Poway [SDFR] (262) 3-17-2025 Poway, CA
Lake Sutherland [SDFR] (99) 3-28-2016 Ramona, CA
Loveland Reservoir [SDFR] (4) 3-24-2023 Alpine, CA
Lower Otay Reservoir [SDFR] (364) 2-19-2025 Rancho Del Rey, CA
Miramar Lake [SDFR] (325) 3-13-2023 Miramar, CA
Murray Reservoir [SDFR] (318) 6-26-2024 La Mesa, CA
San Vicente Reservoir [SDFR] (343) 2-8-2025 Foster, CA
Santee Lakes [SDFR] (340) 12-21-2025 Santee, CA
Sweetwater Reservoir [SDFR] (4) 2-10-2025 San Diego, CA
Upper Otay Reservoir [SDFR] (154) 6-24-2019 Rancho Del Rey, CA
Wohlford Lake [SDFR] (664) 6-1-2026 Escondido, CA
 

San Luis Obispo County Lakes
Name (# of Reports) Last Update Location
Lake Nacimiento (352) 5-29-2026 Bradley, CA
Lake San Antonio (140) 12-10-2024 Bradley, CA
Lopez Lake (209) 4-13-2026 Arroyo Grande, CA
Santa Margarita Lake (497) 4-2-2026 CA
 

Santa Barbara County Lakes
Name (# of Reports) Last Update Location
Cachuma Lake (495) 6-6-2026 Santa Barbara, CA
Nacimiento River (1) 6-12-2026 CA
 

Ventura County Lakes
Name (# of Reports) Last Update Location
Lake Casitas (228) 5-28-2026 Ventura, CA
Lake Piru (36) 6-2-2026 Piru, CA