California North Coast Waters Area
- No. 1 Iron Gate Fish Hatchery is downstream from the Iron Gate Dam on the Klamath River in Siskiyou County. It’s in the North Coast–Klamath Region in a rural setting dominated by sagebrush and oak pine woodland.
- No. 3 Mad River Fish Hatchery is south of the town of Blue Lake in Humboldt County. It is located in the North Coast–Klamath Region in a rural setting dominated by coniferous forest. River flows at the hatchery are not significantly affected by releases from upstream dams.
California Sierra – West Slope Northern Waters Area
California Sacramento Valley Waters Area
California Sierra – West Slope – Southern Waters Area
California Central/South Area
- No. 19 Fillmore Trout Hatchery is located in Ventura County, 1 mile east of the town of Fillmore. It is located in the South Coast Region in a rural setting dominated by agricultural lands, grasslands, and chaparral. This location is within DFG Region 5, but the hatchery is administered by Region 6.