City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#9097
Clearwater
County, FL
66 C
#9098 Clermont
County, FL
66 C
#9099 Coalville
County, UT
66 C
#9100 Cuba
County, NY
66 C
#9101 Damascus
County, AR
66 C
#9102 Darlington
County, WI
66 C
#9103 Deptford
County, NJ
66 C
#9104 Dobson
County, NC
66 C
#9105 Eagar
County, AZ
66 C
#9106 El Dorando Springs
County, MO
66 C
#9107 Enigma
County, GA
66 C
#9108 Eureka
County, IL
66 C
#9109 Glandorf
County, OH
66 C
#9110 Glenwood
County, IL
66 C
#9111 Goodman
County, MS
66 C
#9112 Greensburg
County, LA
66 C
#9113 Guntown
County, MS
66 C
#9114 Healdton
County, OK
66 C
#9115 Herrin
County, IL
66 C
#9116 Highwood
County, IL
66 C
#9117 Jackson
County, NC
66 C
#9118 Jeffersonville
County, OH
66 C
#9119 Jonesboro
County, IL
66 C
#9120 Kearny
County, AZ
66 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.