City Water Quality Rankings in Pennsylvania
464 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#169
Richlandtown
County, PA
83 B
#170 Rural Valley
County, PA
83 B
#171 Sellersville
County, PA
83 B
#172 Atglen
County, PA
82 B
#173 Champion
County, PA
82 B
#174 Cochranton
County, PA
82 B
#175 Dillsburg
County, PA
82 B
#176 Kittanning
County, PA
82 B
#177 Numine
County, PA
82 B
#178 Pittsburgh
County, PA
82 B
#179 Shady Grove
County, PA
82 B
#180 Sipesville
County, PA
82 B
#181 Summit Hill
County, PA
82 B
#182 Warren
County, PA
82 B
#183 Allison Park
County, PA
81 B
#184 Chambersburg
County, PA
81 B
#185 Coatesville
County, PA
81 B
#186 Ridgway
County, PA
81 B
#187 State College
County, PA
81 B
#188 White Haven
County, PA
81 B
#189 Bethlehem
County, PA
80 B
#190 Canton
County, PA
80 B
#191 Chester
County, PA
80 B
#192 Hawley
County, PA
80 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.