City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#11113
Estancia
County, NM
0 F
#11114 Evarts
County, KY
0 F
#11115 Eveleth
County, MN
0 F
#11116 Fairfax
County, OK
0 F
#11117 Fairview
County, OK
0 F
#11118 Fairview
County, UT
0 F
#11119 Falfurrias
County, TX
0 F
#11120 Flatonia
County, TX
0 F
#11121 Florence
County, TX
0 F
#11122 Fonda
County, NY
0 F
#11123 Fort Gay
County, WV
0 F
#11124 Fort Mohave
County, AZ
0 F
#11125 Fountain Green
County, UT
0 F
#11126 Fountain Hills
County, AZ
0 F
#11127 Frametown
County, WV
0 F
#11128 Franklin
County, LA
0 F
#11129 Frederick
County, OK
0 F
#11130 Fredericktown
County, PA
0 F
#11131 Fredonia
County, AZ
0 F
#11132 Fredonia
County, NY
0 F
#11133 Freeport
County, PA
0 F
#11134 Freer
County, TX
0 F
#11135 Friant
County, CA
0 F
#11136 Fruitland
County, ID
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.