City Water Quality Rankings in Pennsylvania
467 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#313
Quakertown
County, PA
70 C
#314 Derry
County, PA
69 C
#315 Greensburg
County, PA
69 C
#316 Hanover
County, PA
69 C
#317 Mill Hall
County, PA
69 C
#318 North Wales
County, PA
69 C
#319 Youngstown
County, PA
69 C
#320 Albion
County, PA
68 C
#321 Duquesne
County, PA
68 C
#322 Ford City
County, PA
68 C
#323 Hazleton
County, PA
68 C
#324 Richfield
County, PA
68 C
#325 Bellefonte
County, PA
66 C
#326 Claysburg
County, PA
66 C
#327 Montoursville
County, PA
66 C
#328 Morrisdale
County, PA
66 C
#329 Sayre
County, PA
66 C
#330 Sheffield
County, PA
66 C
#331 Muncy
County, PA
65 C
#332 Newport
County, PA
65 C
#333 Beaver
County, PA
64 C
#334 Jennerstown
County, PA
64 C
#335 Loretto
County, PA
64 C
#336 Southampton
County, PA
64 C
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.