City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#9625
Stevenson
County, AL
60 C
#9626 Sunray
County, TX
60 C
#9627 Tallassees
County, AL
60 C
#9628 Tonopah
County, NV
60 C
#9629 Towanda
County, KS
60 C
#9630 Union City
County, PA
60 C
#9631 West Miami
County, FL
60 C
#9632 Whitman
County, MA
60 C
#9633 Winter Park
County, CO
60 C
#9634 Amherstdale
County, WV
59 D
#9635 Angola
County, NY
59 D
#9636 Apalachicola
County, FL
59 D
#9637 Arcadia
County, FL
59 D
#9638 Artesia
County, NM
59 D
#9639 Belle Chasse
County, LA
59 D
#9640 Belmont
County, NC
59 D
#9641 Bloomfield
County, NY
59 D
#9642 Bordentown
County, NJ
59 D
#9643 Bowling Green
County, FL
59 D
#9644 Bridgeport
County, IL
59 D
#9645 Bronson
County, FL
59 D
#9646 Crandall
County, TX
59 D
#9647 Garnett
County, KS
59 D
#9648 Goffstown
County, NH
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.