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] (402) 10-14-2026 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 (20) 7-24-2026 Tehachapi, CA
Buena Vista Lakes (240) 10-9-2026 Bakersfield, CA
Cedar Creek Lake (1) 2-28-2021 TX
Hart Park Lake (234) 10-9-2026 Bakersfield, CA
Lake Isabella (312) 10-9-2026 Lake Isabella, CA
Ming Lake (245) 10-9-2026 Bakersfield, CA
River Walk Lakes (228) 10-9-2026 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 (760) 10-9-2026 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 (478) 10-9-2026 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] (35) 8-20-2026 Bridgeport, CA
Bridgeport Reservoir [ESFR] (1199) 10-15-2026 Bridgeport, CA
Convict Lake [ESFR] (487) 9-4-2026 Mammoth Lakes, CA
Crowley Lake [ESFR] (747) 10-7-2026 Mammoth Lakes, CA
Ellery Lake [ESFR] (7) 6-11-2026 Lee Vining, CA
Grant Lake [ESFR] (399) 10-10-2026 June Lake, CA
Gull Lake [ESFR] (212) 10-7-2026 June Lake, CA
June Lake [ESFR] (336) 9-20-2026 June Lake, CA
June Lake Loop [ESFR] (152) 9-17-2026 June Lake, CA
Kirman Lake [ESFR] (395) 9-20-2026 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] (107) 8-28-2026 Mammoth Lakes, CA
Little Virginia Lake [ESFR] (12) 4-27-2024 Bridgeport, CA
Lundy Lake [ESFR] (36) 8-24-2026 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] (29) 9-30-2026 Lee Vining, CA
Silver Lake (June Lake, CA) [ESFR] (444) 10-1-2026 June Lake, CA
Skelton Lake (1) 7-27-2013 CA
Tioga Lake [ESFR] (6) 9-17-2026 Tioga Pass, CA
Topaz Lake (423) 10-7-2026 Gardnerville, CA
Trumbull Lake [ESFR] (19) 4-25-2026 Bridgeport, CA
Twin Lake Lower [ESFR] (282) 10-8-2026 Bridgeport, CA
Twin Lake Upper [ESFR] (137) 9-27-2026 Bridgeport, CA
Twin Lakes (Bridgeport) [ESFR] (619) 10-4-2026 Bridgeport, CA
Twin Lakes (Mammoth Basin) [ESFR] (14) 7-25-2026 Mammoth Lakes, CA
Virginia Lakes [ESFR] (636) 10-11-2026 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 (588) 9-27-2026 Hemet, CA
Evans Lake (1) 10-23-2025 Riverside , CA
Hemet Lake (265) 8-25-2026 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 (630) 10-12-2026 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 (218) 10-11-2026 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 (189) 8-26-2026 Hesperia, CA
Jess Ranch Lakes (180) 10-21-2025 Apple Valley, CA
Lake Havasu (45) 9-30-2026 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 (471) 10-6-2026 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] (12) 9-3-2026 Santa Ysabel, CA
Lake Hodges [SDFR] (241) 7-4-2025 Del Dios, CA
Lake Jennings [SDFR] (929) 10-1-2026 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] (341) 10-2-2026 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] (676) 10-12-2026 Escondido, CA
 

San Luis Obispo County Lakes
Name (# of Reports) Last Update Location
Lake Nacimiento (366) 10-9-2026 Bradley, CA
Lake San Antonio (140) 12-10-2024 Bradley, CA
Lopez Lake (209) 4-13-2026 Arroyo Grande, CA
Santa Margarita Lake (498) 10-15-2026 CA
 

Santa Barbara County Lakes
Name (# of Reports) Last Update Location
Cachuma Lake (498) 10-15-2026 Santa Barbara, CA
Nacimiento River (1) 6-12-2026 CA
 

Ventura County Lakes
Name (# of Reports) Last Update Location
Lake Casitas (231) 10-15-2026 Ventura, CA
Lake Piru (36) 6-2-2026 Piru, CA