City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#10585
Beatty
County, NV
37 F
#10586 Benton
County, IL
37 F
#10587 Bowlegs
County, OK
37 F
#10588 Cross City
County, FL
37 F
#10589 Cullen
County, LA
37 F
#10590 Douglass
County, TX
37 F
#10591 Exmore
County, VA
37 F
#10592 Four Oaks
County, NC
37 F
#10593 Lago Vista
County, TX
37 F
#10594 Lehi
County, UT
37 F
#10595 Lynch
County, KY
37 F
#10596 Mc Connellsburg
County, PA
37 F
#10597 Mount Pocono
County, PA
37 F
#10598 Newtown
County, CT
37 F
#10599 Pell Lake
County, WI
37 F
#10600 Point Marion
County, PA
37 F
#10601 Ralls
County, TX
37 F
#10602 Ravenswood
County, WV
37 F
#10603 Rio Grande
County, PR
37 F
#10604 San Angelo
County, TX
37 F
#10605 Santa Anna
County, TX
37 F
#10606 Thorp
County, WI
37 F
#10607 Tuscola
County, IL
37 F
#10608 Wanaque
County, NJ
37 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.