PFAS Contamination in California
0 contamination sites tracked
California leads the nation in PFAS regulation, with 0 identified contamination sites. Major hotspots include military bases, airports, and industrial facilities throughout the Central Valley and coastal regions. The state has set some of the strictest PFAS notification levels in the country.
California PFAS contamination exceeding state MCLs? Connect with certified professionals familiar with stringent state requirements.
Get a Free Assessment →California faces the nation's most extensive PFAS contamination challenges, with over 1,000 known contamination sites spanning military installations, airports, and industrial facilities. The state has taken the most aggressive regulatory approach, establishing the nation's first PFAS drinking water standards and requiring comprehensive monitoring. Major contamination sources include Naval Air Station North Island, Travis Air Force Base, and Edwards Air Force Base, each creating multi-mile contamination plumes.
The San Francisco Bay Area has numerous industrial PFAS sources, including semiconductor manufacturers in Silicon Valley and oil refineries in Richmond. Los Angeles County faces contamination from aerospace facilities, airports, and wastewater treatment plants. Orange County has implemented advanced treatment technologies to address contamination from John Wayne Airport and industrial sources.
Key Facts
- Over 1,000 known PFAS contamination sites statewide
- First state to establish enforceable PFAS drinking water standards
- Major military bases create multi-mile contamination plumes
State Regulations
California has established Maximum Contaminant Levels (MCLs) for PFOA and PFOS at 10 and 40 ppt respectively, with notification levels at 5.1 and 6.5 ppt. The state requires quarterly monitoring for all public water systems and mandates treatment when MCLs are exceeded.
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Frequently Asked Questions
How many PFAS contamination sites are in California?
California has 0 PFAS contamination sites tracked in our database, sourced from EPA data.
How do I find PFAS sites near me in California?
Use our interactive map to search for PFAS contamination sites near any address in California. You can also browse by city below.
How can I get help with PFAS contamination in California?
Click "Get Help" to connect with certified PFAS remediation contractors in California. We offer free assessments.