City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#9409
Turners Falls
County, MA
58 D
#9410 Unadilla
County, GA
58 D
#9411 West Branch
County, IA
58 D
#9412 West Point
County, VA
58 D
#9413 Winchendon
County, MA
58 D
#9414 Woodlawn
County, TN
58 D
#9415 Yellville
County, AR
58 D
#9416 Zeigler
County, IL
58 D
#9417 Altamonte Springs
County, FL
57 D
#9418 Alton
County, IL
57 D
#9419 Arcadia
County, FL
57 D
#9420 Bayamon
County, PR
57 D
#9421 Beardstown
County, IL
57 D
#9422 Buckingham
County, PA
57 D
#9423 Carlisle
County, IA
57 D
#9424 Church Point
County, LA
57 D
#9425 Clearwater
County, FL
57 D
#9426 Edmond
County, OK
57 D
#9427 Florence
County, MS
57 D
#9428 Gallman
County, MS
57 D
#9429 Georgetown
County, IL
57 D
#9430 Glenwood
County, NJ
57 D
#9431 Graysville
County, TN
57 D
#9432 Hannibal
County, MO
57 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.