Oso Flaco Lake

Advisory based on DDTs, dieldrin, or mercury.

For information relating to biotoxins from harmful algal blooms (HABs) that may be found in California water bodies, see below.

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) 423-7572
fish@oehha.ca.gov

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