Finalized fish advisory concerning levels of mercury in fish from Trinity Lake (also known as Clair Engle Lake), Lewiston Lake, Carrville Pond, the Trinity River upstream of Trinity Lake, and the East Fork Trinity River, all located in northeastern Trinity County.

October 1, 2005: Draft Fish Consumption Guidelines for Trinity Lake and Selected Waterbodies in the Trinity River Watershed (Trinity County)

Note: this advisory was finalized in October 2005.

April 8, 2005: OEHHA Releases Draft Advisory on Mercury in Fish in Trinity Lake and Other Water Bodies in the Trinity River Watershed

OEHHA accepted public comments on a draft fish advisory concerning elevated levels of mercury in fish in Trinity Lake and selected water bodies in the Trinity River watershed in Trinity County.

January 20, 2005: OEHHA Finalizes Advisory on Mercury in Fish in Clear Lake, Cache Creek and Bear Creek

OEHHA has finalized a fish advisory concerning elevated levels of mercury in fish in Clear Lake, Cache Creek and Bear Creek (Lake, Yolo and Colusa counties). This region has an abundance of naturally occurring mercury as a result of both natural processes and mining activity and some of the mercury has worked its way into the fish.

October 14, 2004: Study Shows Elevated Levels of Mercury, PCBs in Fish

Studies found elevated levels of mercury, polychlorinated biphenyls (PCBs) and other contaminants in several species of fish from ten reservoirs in Alameda, Contra Costa, Marin, and Santa Clara counties.

Fish Advisory Map

View maps of current statewide and site-specific advisories

Fish, Incident Response, Seafood Safety, and Harmful Algal Bloom Section

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