City Water Quality Rankings in Pennsylvania
467 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#73
Benton
County, PA
92 A
#74 Brackenridge
County, PA
92 A
#75 Coraopolis
County, PA
92 A
#76 Duncannon
County, PA
92 A
#77 Lansdale
County, PA
92 A
#78 Mehoopany
County, PA
92 A
#79 Milroy
County, PA
92 A
#80 New Kensington
County, PA
92 A
#81 New Wilmington
County, PA
92 A
#82 Schuylkill Haven
County, PA
92 A
#83 Sharpsville
County, PA
92 A
#84 Spring Mills
County, PA
92 A
#85 Strasburg
County, PA
92 A
#86 Elizabethtown
County, PA
91 A
#87 Elverson
County, PA
91 A
#88 Harrisburg
County, PA
91 A
#89 Jefferson
County, PA
91 A
#90 Schnecksville
County, PA
91 A
#91 Shawnee On Delaware
County, PA
91 A
#92 Spring City
County, PA
91 A
#93 Adrian
County, PA
90 A
#94 Annville
County, PA
90 A
#95 Bloomsburg
County, PA
90 A
#96 Conway
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.