Cosumnes River, Lower

Advisory for non-migratory fish based on mercury. Advisory for fish that migrate based on mercury or PCBs.

The Lower Cosumnes River posters were revised in November 2022 to include the updated advice for American Shad, Steelhead Trout, Striped Bass, and White Sturgeon, based on the Advisory for Fish that Migrate. These waters are closed to the take of Chinook (King) Salmon. Refer to CDFW for regulations on other species.

NOTE: Asian Clam and crayfish advice was removed while OEHHA evaluates other contaminants in these species that may affect advice.

Biotoxins from harmful algal blooms (HABs) may be found in California water bodies, see Resources related to Biotoxins and Harmful Algal Blooms for more information.

Fish Advisory Map

View maps of current statewide and site-specific advisories

Advisory Map

Fish, Ecotoxicology and Water Section

Sacramento Office
1001 I Street
Sacramento, CA 95814
Phone: 916-324-7572
fish@oehha.ca.gov

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