City Water Quality Rankings in Pennsylvania
467 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#169
Moscow
County, PA
85 B
#170 Myerstown
County, PA
85 B
#171 Red Lion
County, PA
85 B
#172 Shady Grove
County, PA
85 B
#173 Slippery Rock
County, PA
85 B
#174 St Thomas
County, PA
85 B
#175 Arendtsville
County, PA
84 B
#176 Bangor
County, PA
84 B
#177 Chambersburg
County, PA
84 B
#178 Cranberry Twp
County, PA
84 B
#179 Elizabethville
County, PA
84 B
#180 Evans City
County, PA
84 B
#181 Fairfield
County, PA
84 B
#182 Hastings
County, PA
84 B
#183 Lehighton
County, PA
84 B
#184 Quarryville
County, PA
84 B
#185 Shamokin
County, PA
84 B
#186 Tobyhanna
County, PA
84 B
#187 Warren
County, PA
84 B
#188 Williamsburg
County, PA
84 B
#189 Central City
County, PA
83 B
#190 Mifflinburg
County, PA
83 B
#191 Milton
County, PA
83 B
#192 Oxford
County, PA
83 B
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.