WaterQ

Pennsylvania

Water Quality Report

Average Score
71/100
Water Systems
746
Population
11.5M
Violations
1370 145 unresolved

Score Distribution

118
A
88
B
29
C
14
D
33
F

Top Contaminant Violations

Contaminant Violations
Copper (90th percentile) 8
Lead (90th percentile) 3

Lowest Scoring Water Systems

Counties in Pennsylvania

Cities in Pennsylvania

View all 464 cities →

Popular City Comparisons in Pennsylvania

Quickly compare major cities in Pennsylvania by water quality score and grade.

Frequently Asked Questions

Is tap water in Pennsylvania safe to drink?

Pennsylvania has an average WaterQ score of 71/100 across 746 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.

How many water systems are in Pennsylvania?

WaterQ currently tracks 746 public water systems in Pennsylvania.

Where can I compare cities in Pennsylvania?

Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.

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