City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#9337
St Petersburg
County, FL
59 D
#9338 St. Louis
County, MO
59 D
#9339 Sterling
County, MA
59 D
#9340 White Castle
County, LA
59 D
#9341 Woodville
County, TX
59 D
#9342 Baxter
County, TN
58 D
#9343 Bluffdale
County, UT
58 D
#9344 Borden
County, IN
58 D
#9345 Broadway
County, VA
58 D
#9346 Bronson
County, FL
58 D
#9347 Buffalo Grove
County, IL
58 D
#9348 Bunkie
County, LA
58 D
#9349 Calhoun City
County, MS
58 D
#9350 Catoosa
County, OK
58 D
#9351 Cherokee
County, OK
58 D
#9352 Christiana
County, PA
58 D
#9353 Cobden
County, IL
58 D
#9354 Concord
County, VT
58 D
#9355 Edgecliff Village
County, TX
58 D
#9356 Elmore City
County, OK
58 D
#9357 Estill Springs
County, TN
58 D
#9358 Ethel
County, MS
58 D
#9359 Faison
County, NC
58 D
#9360 Gansevoort
County, NY
58 D
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.