City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#11281
Elm City
County, NC
0 F
#11282 Emory
County, TX
0 F
#11283 Enterprise
County, UT
0 F
#11284 Erda
County, UT
0 F
#11285 Espanola
County, NM
0 F
#11286 Estancia
County, NM
0 F
#11287 Evarts
County, KY
0 F
#11288 Fairfax
County, OK
0 F
#11289 Fairview
County, OK
0 F
#11290 Fairview
County, UT
0 F
#11291 Fort Gay
County, WV
0 F
#11292 Fort Mohave
County, AZ
0 F
#11293 Fountain Hills
County, AZ
0 F
#11294 Frametown
County, WV
0 F
#11295 Franklin
County, LA
0 F
#11296 Frederick
County, OK
0 F
#11297 Fredericktown
County, PA
0 F
#11298 Fredonia
County, AZ
0 F
#11299 Fredonia
County, NY
0 F
#11300 Freeport
County, PA
0 F
#11301 Freer
County, TX
0 F
#11302 Friant
County, CA
0 F
#11303 Ft Lauderdale
County, FL
0 F
#11304 Ft. Thomas
County, KY
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.