City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#11329
Green Pond
County, AL
0 F
#11330 Greenlawn
County, NY
0 F
#11331 Greenwood
County, LA
0 F
#11332 Gueydan
County, LA
0 F
#11333 Hahira
County, GA
0 F
#11334 Hallandale Beach
County, FL
0 F
#11335 Hamilton
County, TX
0 F
#11336 Hamlet
County, NC
0 F
#11337 Hankinson
County, ND
0 F
#11338 Harlan
County, KY
0 F
#11339 Harlem
County, MT
0 F
#11340 Harrah
County, OK
0 F
#11341 Harrodsburg
County, KY
0 F
#11342 Hart
County, TX
0 F
#11343 Hartford
County, AL
0 F
#11344 Hartshorne
County, OK
0 F
#11345 Hartsville
County, TN
0 F
#11346 Haughton
County, LA
0 F
#11347 Haverhill
County, MA
0 F
#11348 Havre De Grace
County, MD
0 F
#11349 Hawarden
County, IA
0 F
#11350 Haworth
County, OK
0 F
#11351 Hazard
County, KY
0 F
#11352 Hazlehurst
County, GA
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.