City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#9265
Marianna
County, AR
60 C
#9266 Marlinton
County, WV
60 C
#9267 Mars Hill
County, NC
60 C
#9268 Marshallville
County, GA
60 C
#9269 Maysville
County, NC
60 C
#9270 Mccormick
County, SC
60 C
#9271 Meredith
County, NH
60 C
#9272 Moultrie
County, GA
60 C
#9273 Oak Park
County, IL
60 C
#9274 Olmito
County, TX
60 C
#9275 Pacific
County, MO
60 C
#9276 Parker
County, FL
60 C
#9277 Paxton
County, MA
60 C
#9278 Pearl
County, MS
60 C
#9279 Pine
County, AZ
60 C
#9280 Pine Grove
County, PA
60 C
#9281 Pinehurst
County, TX
60 C
#9282 Plantersville
County, TX
60 C
#9283 Pleasanton
County, KS
60 C
#9284 Poplar Grove
County, IL
60 C
#9285 Portageville
County, MO
60 C
#9286 Reynoldsville
County, PA
60 C
#9287 Rio Grande
County, NJ
60 C
#9288 Roosevelt
County, UT
60 C
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.