Pennsylvania Water Quality Ratings
TapWaterSafety has rated 32 public water systems in Pennsylvania, serving a combined 8,333,509 residents. The statewide average grade is D.
State average grade
D
Total utilities rated
32
Population served
8,333,509
Most recent test
2024
🇪🇺 Would fail EU standards
4 of 32
Top water quality concerns in Pennsylvania
- Haloacetic acids (HAA9) significantly above health guideline
- Total trihalomethanes (TTHMs) significantly above health guideline
- Haloacetic acids (HAA5) significantly above health guideline
- PFAS contamination
- Perfluorohexane sulfonate (PFHXS) significantly above health guideline
Cities in Pennsylvania
Browse tap water quality reports by city. Click any city to see its grade, what's in the water, and recommended filters.
Grade distribution
All rated utilities in Pennsylvania
Sorted by score, highest first. Click any utility to see the full grade card.