City Water Quality Rankings in Pennsylvania
467 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#217
Denver
County, PA
80 B
#218 Emmaus
County, PA
80 B
#219 Fleetwood
County, PA
80 B
#220 Grove City
County, PA
80 B
#221 Lansford
County, PA
80 B
#222 Mifflintown
County, PA
80 B
#223 Milford
County, PA
80 B
#224 Pittsburgh
County, PA
80 B
#225 Roaring Spring
County, PA
80 B
#226 Royersford
County, PA
80 B
#227 Slatington
County, PA
80 B
#228 Snow Shoe
County, PA
80 B
#229 Westfield
County, PA
80 B
#230 Wilkinsburg
County, PA
80 B
#231 Camp Hill
County, PA
79 B
#232 Fayetteville
County, PA
79 B
#233 Mahanoy City
County, PA
79 B
#234 Monaca
County, PA
79 B
#235 Mount Morris
County, PA
79 B
#236 Youngsville
County, PA
79 B
#237 Beaver Falls
County, PA
78 B
#238 Boiling Springs
County, PA
78 B
#239 Carlisle
County, PA
78 B
#240 Champion
County, PA
78 B
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.