City Water Quality Rankings in Pennsylvania
464 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#433
Bradford
County, PA
0 F
#434 Coudersport
County, PA
0 F
#435 Creighton
County, PA
0 F
#436 Davidsville
County, PA
0 F
#437 Dilliner
County, PA
0 F
#438 Ellsworth
County, PA
0 F
#439 Fredericktown
County, PA
0 F
#440 Freeport
County, PA
0 F
#441 Gallitzin
County, PA
0 F
#442 Gouldsboro
County, PA
0 F
#443 Horsham
County, PA
0 F
#444 Hughesville
County, PA
0 F
#445 Indian Head
County, PA
0 F
#446 Johnsonburg
County, PA
0 F
#447 Kennett Square
County, PA
0 F
#448 Ligonier
County, PA
0 F
#449 Lock Haven
County, PA
0 F
#450 Lykens
County, PA
0 F
#451 Meyersdale
County, PA
0 F
#452 Midland
County, PA
0 F
#453 Nanty Glo
County, PA
0 F
#454 Northern Cambria
County, PA
0 F
#455 Polk
County, PA
0 F
#456 Portage
County, PA
0 F
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.