City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#9433
Hubbard
County, TX
57 D
#9434 Jena
County, LA
57 D
#9435 Jordan
County, NY
57 D
#9436 Lake In The Hills
County, IL
57 D
#9437 Leland
County, NC
57 D
#9438 Mason
County, TN
57 D
#9439 Mayville
County, NY
57 D
#9440 Mine Hill
County, NJ
57 D
#9441 Mineral Point
County, WI
57 D
#9442 Moweaqua
County, IL
57 D
#9443 Mulberry
County, FL
57 D
#9444 Norlina
County, NC
57 D
#9445 Ogden Dunes
County, IN
57 D
#9446 Park Ridge
County, NJ
57 D
#9447 Prairie View
County, TX
57 D
#9448 Prescott
County, AZ
57 D
#9449 Price
County, UT
57 D
#9450 Princeton
County, WI
57 D
#9451 Reedsport
County, OR
57 D
#9452 Roach
County, MO
57 D
#9453 Roby
County, TX
57 D
#9454 Stanhope
County, NJ
57 D
#9455 Warrensburg
County, IL
57 D
#9456 Westmont
County, NJ
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.