U.S. PFAS map, by state:
🔴 Failing (40%+ above limit): NJ, CT, MA, DE, SC
🟠 Poor (20-40%): CA, FL, NC, PA, AL
NJ leads: 61.6% of tested systems above the federal limit.
Source: EPA UCMR5
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Independent platform mapping U.S. drinking water safety. EPA UCMR5 PFAS data, Lead Service Line Inventory, and SDWIS violations — aggregated and ZIP-searchable. 48,105 systems. 50 states. Free, ad-free. h2owatch.io