City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#9313
Haskell
County, OK
59 D
#9314 Hattiesburg
County, MS
59 D
#9315 Hibbing
County, MN
59 D
#9316 Hulbert
County, OK
59 D
#9317 Huntsville
County, TX
59 D
#9318 Landing
County, NJ
59 D
#9319 Leesburg
County, GA
59 D
#9320 Leslie
County, MI
59 D
#9321 Loreauville
County, LA
59 D
#9322 Louisburg
County, NC
59 D
#9323 Loysburg
County, PA
59 D
#9324 Macclenny
County, FL
59 D
#9325 Melbourne
County, FL
59 D
#9326 Oriental
County, NC
59 D
#9327 Pangburn
County, AR
59 D
#9328 Pickton
County, TX
59 D
#9329 Pittsburg
County, TX
59 D
#9330 Princeton
County, IL
59 D
#9331 Riviera Beach
County, FL
59 D
#9332 Rochdale
County, MA
59 D
#9333 Rockingham
County, NC
59 D
#9334 Ruckersville
County, VA
59 D
#9335 Sandersville
County, MS
59 D
#9336 St George
County, UT
59 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.