City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#385
Frankenmuth
County, MI
100 A
#386 Frankford
County, DE
100 A
#387 Frankfort
County, OH
100 A
#388 Franklin Square
County, NY
100 A
#389 Fredericktown
County, OH
100 A
#390 Fredonia
County, WI
100 A
#391 Freedom
County, WI
100 A
#392 Freeman
County, MO
100 A
#393 Freeport
County, NY
100 A
#394 Fremont
County, NE
100 A
#395 Fruitdale
County, AL
100 A
#396 Ft Mitchell
County, AL
100 A
#397 Ft. Eustis
County, VA
100 A
#398 Fullerton
County, ND
100 A
#399 Funkstown
County, MD
100 A
#400 Galesburg
County, KS
100 A
#401 Galveston
County, IN
100 A
#402 Gap
County, PA
100 A
#403 Garberville
County, CA
100 A
#404 Garden City Park
County, NY
100 A
#405 Garden Grove
County, CA
100 A
#406 Garfield
County, AR
100 A
#407 Garrettsville
County, OH
100 A
#408 Gasport
County, NY
100 A
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.