City Water Quality Rankings in Pennsylvania
464 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#385
Ebensburg
County, PA
41 F
#386 Glasgow
County, PA
41 F
#387 Greenville
County, PA
41 F
#388 Towanda
County, PA
41 F
#389 Knox
County, PA
40 F
#390 Thompsontown
County, PA
40 F
#391 Centre Hall
County, PA
39 F
#392 New Freedom
County, PA
39 F
#393 Belle Vernon
County, PA
38 F
#394 Portland
County, PA
38 F
#395 Williamsport
County, PA
38 F
#396 Elysburg
County, PA
36 F
#397 Jersey Shore
County, PA
36 F
#398 Pottsville
County, PA
36 F
#399 Mount Pocono
County, PA
35 F
#400 Aliquippa
County, PA
34 F
#401 Boyertown
County, PA
34 F
#402 Flinton
County, PA
34 F
#403 Milesburg
County, PA
34 F
#404 Point Marion
County, PA
34 F
#405 Emporium
County, PA
32 F
#406 Dallas
County, PA
31 F
#407 Sandy Lake
County, PA
31 F
#408 Newtown
County, PA
29 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.