City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#10945
Carnesville
County, GA
18 F
#10946 Disney
County, OK
18 F
#10947 Dunkirk
County, NY
18 F
#10948 Gretna
County, VA
18 F
#10949 Maitland
County, FL
18 F
#10950 Port Richey
County, FL
18 F
#10951 Presidio
County, TX
18 F
#10952 Sayre
County, OK
18 F
#10953 Springfield
County, MI
18 F
#10954 Springtown
County, TX
18 F
#10955 Tracy City
County, TN
18 F
#10956 Vernon
County, TX
18 F
#10957 Barrow
County, AK
17 F
#10958 Dade City
County, FL
17 F
#10959 Delphi
County, IN
17 F
#10960 Hydro
County, OK
17 F
#10961 Martin
County, KY
17 F
#10962 Nutley
County, NJ
17 F
#10963 Toulon
County, IL
17 F
#10964 Vinita
County, OK
17 F
#10965 Wallops Island
County, VA
17 F
#10966 Box Elder
County, SD
16 F
#10967 Clinton
County, NJ
16 F
#10968 Deanville
County, TX
16 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.