City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#10753
Mound Bayou
County, MS
31 F
#10754 Oviedo
County, FL
31 F
#10755 Perry
County, FL
31 F
#10756 Pinetop
County, AZ
31 F
#10757 Pittsfield
County, MA
31 F
#10758 Point
County, TX
31 F
#10759 Point Pleasant
County, NJ
31 F
#10760 Sunrise
County, FL
31 F
#10761 Wisner
County, LA
31 F
#10762 Wister
County, OK
31 F
#10763 Brighton
County, IL
30 F
#10764 Carrabassett Valley
County, ME
30 F
#10765 Clay
County, WV
30 F
#10766 Comanche
County, OK
30 F
#10767 Cowen
County, WV
30 F
#10768 Dilley
County, TX
30 F
#10769 Elysburg
County, PA
30 F
#10770 Fillmore
County, UT
30 F
#10771 Goreville
County, IL
30 F
#10772 Hanson
County, KY
30 F
#10773 Hitchcock
County, TX
30 F
#10774 Janesville
County, IA
30 F
#10775 Kearns
County, UT
30 F
#10776 Magnolia
County, MS
30 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.