City Water Quality Rankings in Pennsylvania
467 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#337
Minersville
County, PA
63 C
#338 Elkland
County, PA
62 C
#339 Masontown
County, PA
62 C
#340 Mont Alto
County, PA
62 C
#341 Oakdale
County, PA
62 C
#342 Reynoldsville
County, PA
62 C
#343 Tarentum
County, PA
62 C
#344 Tyrone
County, PA
62 C
#345 Weatherly
County, PA
62 C
#346 Falls Creek
County, PA
61 C
#347 Pennsylvania Furnace
County, PA
61 C
#348 East Bangor
County, PA
60 C
#349 Selinsgrove
County, PA
60 C
#350 Union City
County, PA
60 C
#351 Latrobe
County, PA
59 D
#352 Loysburg
County, PA
59 D
#353 Moon Township
County, PA
59 D
#354 Saint Marys
County, PA
59 D
#355 Buckingham
County, PA
58 D
#356 Dover
County, PA
58 D
#357 New Freedom
County, PA
58 D
#358 Rockwood
County, PA
58 D
#359 Sandy Lake
County, PA
58 D
#360 Twin Rocks
County, PA
58 D
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.