Latest News

On October 26, 2022, the Office of Administrative Law approved the Office of Environmental Health Hazard Assessment’s proposal to amend Title 27, California Code of Regulations by adding new subsection 25607.2(b) to Section 25607.2. The regulation will be effective on January 1, 2023.

This 2022 report presents indicators of climate change describing how California’s climate is changing and how these changes are affecting the state and Tribal Nations.

Information on the background of Proposition 65 and links to specific regulatory content.

Risk assessment support and toxicological consultation to state and local government on human health and ecological risks associated with exposures to environmental contaminants at sites undergoing regulatory or voluntary cleanup

The Office of Environmental Health Hazard Assessment (OEHHA) announces the availability of the Notice, preliminary agenda and materials for the 2022 meeting of the Developmental and Reproductive Toxicant Identification Committee.

OEHHA is releasing the report of a risk assessment it performed associated with the October 2021 oil spill in Orange and San Diego Counties (“Pipeline P00547 Incident”). 

A state fish advisory issued today for Lake Henshaw in San Diego County provides safe eating advice for black bass species, Channel Catfish, Common Carp, sunfish species, and Threadfin Shad.

Fish advisory for Lake Henshaw in San Diego County.

Statewide advisory for eating fish caught in California rivers, streams, and creeks without site-specific advice.

The Office of Environmental Health Hazard Assessment (OEHHA) has issued a new statewide fish advisory that offers safe eating advice for fish caught in California rivers, streams, and creeks without site-specific advice.