California PFAS compliance
PFAS contamination data for 500 water systems in California, serving 0 people.
Total systems
500
Exceed MCL
0
At risk
0
Compliant
0
Settlement eligible
0
California PFAS regulatory overview
State standards
State standardsCalifornia has its own PFAS standards
PFOA MCL: 4 ppt
PFOS MCL: 4 ppt
CA notification levels: PFOA 5.1 ppt, PFOS 6.5 ppt. Response levels: PFOA 10 ppt, PFOS 40 ppt. Adopted EPA MCLs.
Regulatory agency
California has notification and response levels in addition to EPA MCLs. Utilities must notify consumers and take response actions at these levels.
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Water systems
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
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