City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#7225
Donna
County, TX
80 B
#7226 Earlington
County, KY
80 B
#7227 East Dublin
County, GA
80 B
#7228 East Dundee
County, IL
80 B
#7229 El Dorado Springs
County, MO
80 B
#7230 El Paso
County, TX
80 B
#7231 Elkhorn City
County, KY
80 B
#7232 Elkins
County, AR
80 B
#7233 Elkton
County, KY
80 B
#7234 Ellsworth
County, WI
80 B
#7235 Elmsford
County, NY
80 B
#7236 Elsberry
County, MO
80 B
#7237 Emmaus
County, PA
80 B
#7238 Englewood
County, TN
80 B
#7239 Eureka Springs
County, AR
80 B
#7240 Falls City
County, OR
80 B
#7241 Fiar Lawn
County, NJ
80 B
#7242 Fleetwood
County, PA
80 B
#7243 Forsyth
County, MT
80 B
#7244 Fort Jackson
County, SC
80 B
#7245 Fort Washakie
County, WY
80 B
#7246 Franklin
County, NJ
80 B
#7247 Franklin
County, TX
80 B
#7248 Fraser
County, MI
80 B
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.