WaterQ

City Water Quality Rankings in Pennsylvania

464 cities ranked by drinking water quality.

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Popular city water quality comparisons

Berwick, PA vs Easton, PA Compare → Farmington, PA vs Hatfield, PA Compare → Jefferson Hills, PA vs Seven Fields, PA Compare → Shoemakersville, PA vs Wexford, PA Compare →

Trending Cities

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#73
East Petersburg
County, PA
91 A
#74
Indiana
County, PA
91 A
#75
Schnecksville
County, PA
91 A
#76
Shawnee On Delaware
County, PA
91 A
#77
South Heights
County, PA
91 A
#78
Swiftwater
County, PA
91 A
#79
Troy
County, PA
91 A
#80
Annville
County, PA
90 A
#81
Bloomsburg
County, PA
90 A
#82
Conway
County, PA
90 A
#83
Downingtown
County, PA
90 A
#84
Elverson
County, PA
90 A
#85
Harmony
County, PA
90 A
#86
Leechburg
County, PA
90 A
#87
Levittown
County, PA
90 A
#88
Littlestown
County, PA
90 A
#89
Mars
County, PA
90 A
#90
New Hope
County, PA
90 A
#91
New Oxford
County, PA
90 A
#92
Nicholson
County, PA
90 A
#93
Oakmont
County, PA
90 A
#94
Oil City
County, PA
90 A
#95
Richland
County, PA
90 A
#96
Rochester
County, PA
90 A

Frequently Asked Questions

How are city water quality rankings calculated in Pennsylvania?

WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.

Can I compare two cities in Pennsylvania?

Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.

How often does WaterQ refresh city data?

City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.

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