EPA in California

Latest News
EPA invests $15.7 million in PFAS projects across Southern California

EPA Announces $27.5 Million to Reduce Lead in Drinking Water in California

EPA’s Eaton Fire Soil Sampling Confirms Federal Cleanup Protocols Effectively Remediated Burn Debris Contamination
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2025 Southern California Wildfires

EPA’s work was part of an all-of-government response to the Los Angeles wildfires. Learn more at EPA's 2025 California Wildfires site.
2025 California Wildfires
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Learn about the environment in your neighborhood.

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Smoke-Ready Toolbox for Wildfires

Smoke from wildfires can adversely affect air quality and put people at health risk from smoke exposure. Public health officials and others can use the resources in the Smoke-Ready Toolbox to help educate people about the risks of smoke exposure and actions they can take to protect their health.
- Smoke-Ready Toolbox
- CalFire Wildfires Map

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

Alert
Garden Grove, California, GKN Chemical Incident

At the request of the Orange County Health Care Agency, EPA immediately responded to the scene to provide air monitoring support and vital air quality information to local authorities. EPA is working closely with state and local authorities, including Orange County Fire Authority (OCFA), the lead agency for this response. OCFA has reported that the risk of a catastrophic explosion has been eliminated, and that there is no chemical leak. Public updates are available on OCFA social media channels.

Topics and Resources

Topics and resources for California-specific projects and programs, including: Desert View Power, Chiquita Canyon Landfill, Havasu Water Company, Kettleman Hills, Central Metal Site Investigation, Cal. Bioresources Alliance Symposia, California Clean Air Technology Initiative (CATI), Tribal Programs, U.S. - Mexico Border, and much more.

Topics and Resources »
San Francisco Bay Delta Watershed

The San Francisco Bay Delta watershed covers more than 75,000 square miles and includes the largest estuary on the west coasts of North and South America. It also contains the only inland delta in the world.

San Francisco Bay Delta »
U.S.-Mexico Border Program (Border 2025)

The Border 2025 program is a collaborative effort between the United States and Mexico to protect the environment and public health of the nearly 12 million people living along the border.

Border 2025 »