City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#8833
Anniston
County, MO
65 C
#8834 Ansonville
County, NC
65 C
#8835 Bostic
County, NC
65 C
#8836 Butler
County, NJ
65 C
#8837 Catskill
County, NY
65 C
#8838 Celeste
County, TX
65 C
#8839 Clermont
County, FL
65 C
#8840 Creswell
County, OR
65 C
#8841 Decherd
County, TN
65 C
#8842 Del Norte
County, CO
65 C
#8843 Dolores
County, CO
65 C
#8844 East Stroudsburg
County, PA
65 C
#8845 Elkland
County, PA
65 C
#8846 Elwood
County, IL
65 C
#8847 Eustis
County, FL
65 C
#8848 Fallon
County, NV
65 C
#8849 Fayetteville
County, TN
65 C
#8850 Fernandina Beach
County, FL
65 C
#8851 Fruit Heights
County, UT
65 C
#8852 Ft Defiance
County, AZ
65 C
#8853 Georgetown
County, TN
65 C
#8854 Gordon
County, TX
65 C
#8855 Great Barrington
County, MA
65 C
#8856 Greensburg
County, PA
65 C
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.