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Fish Advisory for Indian Valley Reservoir in Lake County.

Fish advisory for Black Butte Lake.

Statewide advisory for eating fish from California's lakes and reservoirs without site‑specific advice.

The Office of Environmental Health Hazard Assessment (OEHHA) is providing notice of a change made to the proposed regulation, Title 27, California Code of Regulations, section 28500 and is requesting comments on the modification to the regulatory text.

A Public Health Goal (PHG) is the level of a drinking water contaminant at which adverse health effects are not expected to occur from a lifetime of exposure. The technical support document presents the scientific information available on the toxicity of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) and the calculation of the proposed PHGs.

Summary of the Spring 2021 listening session held jointly with the Pala Band of Mission Indians, the Santa Ynez Band of Chumash Indians, and OEHHA

Questions and answers about the insecticide Altus® (flupyradifurone) used for glassy-winged sharpshooter control in English, Spanish, and Vietnamese.

Fish advisory for Stevens Creek Reservoir based on mercury.

Summary of the listening session held jointly with the Bishop Paiute Tribe, OEHHA, and Eastern Sierra Tribes.

The draft CalEnviroScreen 4.0 was released for public comment on February 19, 2021.The public comment period closed on May 14, 2021. Summaries of the regional workshops on the draft along with the public comments received on the draft are available through this page.