City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#11521
Pembroke Pines
County, FL
0 F
#11522 Peralta
County, NM
0 F
#11523 Perkins
County, OK
0 F
#11524 Perry
County, IA
0 F
#11525 Perryville
County, MD
0 F
#11526 Petersburg
County, AK
0 F
#11527 Pewaukee
County, WI
0 F
#11528 Philipsburg
County, MT
0 F
#11529 Phoenix
County, IL
0 F
#11530 Piedmont
County, OK
0 F
#11531 Pineville
County, KY
0 F
#11532 Pineville
County, WV
0 F
#11533 Plains
County, TX
0 F
#11534 Plainview
County, NE
0 F
#11535 Pocola
County, OK
0 F
#11536 Pointblank
County, TX
0 F
#11537 Polacca
County, AZ
0 F
#11538 Polk
County, PA
0 F
#11539 Pomerene
County, AZ
0 F
#11540 Pompton Lakes
County, NJ
0 F
#11541 Port Lavaca
County, TX
0 F
#11542 Portage
County, PA
0 F
#11543 Porter
County, OK
0 F
#11544 Porum
County, OK
0 F
Frequently Asked Questions
How are city water quality rankings calculated?
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 US cities directly?
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.