City Water Quality Rankings in Pennsylvania
467 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#385
Brownstown
County, PA
46 D
#386 Carroll Valley
County, PA
46 D
#387 Matamoras
County, PA
46 D
#388 Creighton
County, PA
45 D
#389 Lilly
County, PA
45 D
#390 Norristown
County, PA
45 D
#391 Phoenixville
County, PA
45 D
#392 Renovo
County, PA
45 D
#393 East Brady
County, PA
44 F
#394 Edinboro
County, PA
44 F
#395 New Bloomfield
County, PA
44 F
#396 Waterford
County, PA
43 F
#397 Jersey Shore
County, PA
42 F
#398 Knox
County, PA
42 F
#399 Belle Vernon
County, PA
41 F
#400 Maple Glen
County, PA
41 F
#401 Thompsontown
County, PA
40 F
#402 New Paris
County, PA
38 F
#403 Portland
County, PA
38 F
#404 Williamsport
County, PA
38 F
#405 Mc Connellsburg
County, PA
37 F
#406 Mount Pocono
County, PA
37 F
#407 Point Marion
County, PA
37 F
#408 East Greenville
County, PA
35 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.