Region 1 - North

Shasta Grace Lake
Siskiyou Bass Lake
Siskiyou Butte Creek
Siskiyou Greenhorn Reservoir
Siskiyou Lake Siskiyou
Siskiyou Orr Lake
Trinity Lewiston Lake
Trinity Ruth Lake

Region 2 - North Central

Amador Pardee Reservoir
Sacramento Gibson Ranch County Park pond
Sacramento Granite Park pond
Sacramento Hagan Park pond
Sacramento Rancho Seco Park lake
Sacramento Southside Park pond
Yuba Merle Colllins Reservoir

Region 3 - Bay Area

Alameda Don Castro Reservoir
Alameda Horseshoe Lake
Alameda Lake Chabot
Alameda Lake Del Valle
Alameda Lake Temescal
San Francisco northern Lake Merced
Santa Clara Cunningham Lake
Santa Clara Los Gatos Creek Park percolation ponds
Sonoma Ralphine Lake

Region 4 - Central

Fresno Kings River below the Pine Flat Reservoir
Fresno San Joaquin River below the Friant Dam
Mariposa Lake McClure
Merced Los Banos Reservoir
Merced Yosemite Lake
Monterey El Estero Park lake
Tuolumne Don Pedro Reservoir
Tuolumne New Melones Lake

Region 5 - Southern

Los Angeles Castaic Lagoon
Los Angeles Cuddy Creek Pond
Los Angeles Elizabeth Lake
Los Angeles Hansen Lake
Los Angeles Peck Road Park lake
Los Angeles Puddingstone Reservoir
Los Angeles Santa Fe Flood Control Basin
Orange Trabuco Creek
San Diego Cuyamaca Reservoir
Santa Barbara Lake Cachuma
Santa Barbara Lion Canyon Creek
Santa Barbara Santa Ynez River
Ventura Lake Piru
Ventura Lower Rose Lake
Ventura Rancho Simi Community Park lake
Ventura Reyes Creek

Region 6 - Inland Deserts

Inyo Pleasant Valley Reservoir
Riverside Hemet Lake
Riverside Perris Reservoir
Riverside Strawberry Creek
San Bernardino Glen Helen Regional Park lakes
San Bernardino Mojave Narrows Regional Park lake
San Bernardino Santa Ana River
San Bernardino Silverwood Lake
San Bernardino South Fork of the Santa Ana River
San Bernardino Yucaipa Regional Park lake