City Water Quality Rankings
11,561 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#8713
West Miami
County, FL
67 C
#8714 Whiteland
County, IN
67 C
#8715 Yuma
County, CO
67 C
#8716 Zion
County, IL
67 C
#8717 Adrian
County, MN
66 C
#8718 Algona
County, IA
66 C
#8719 Apalachicola
County, FL
66 C
#8720 Arthurdale
County, WV
66 C
#8721 Ashland
County, IL
66 C
#8722 Auburn
County, MA
66 C
#8723 Beaver Falls
County, PA
66 C
#8724 Bellwood
County, PA
66 C
#8725 Bessemer
County, PA
66 C
#8726 Bethany
County, MO
66 C
#8727 Bethel
County, OH
66 C
#8728 Bladenboro
County, NC
66 C
#8729 Boise
County, ID
66 C
#8730 Bondsville
County, MA
66 C
#8731 Boonton
County, NJ
66 C
#8732 Brilliant
County, AL
66 C
#8733 Broadview
County, IL
66 C
#8734 Calhan
County, CO
66 C
#8735 Cannon Beach
County, OR
66 C
#8736 Celina
County, OH
66 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.