WaterQ

City Water Quality Rankings

11,696 cities ranked by drinking water quality.

Popular city water quality comparisons

Trending Cities

#3049
Van
County, TX
95 A
#3050
Vincennes
County, IN
95 A
#3051
Wapato
County, WA
95 A
#3052
Wappingers Falls
County, NY
95 A
#3053
Warm Springs
County, GA
95 A
#3054
Warren
County, MN
95 A
#3055
Washington
County, NC
95 A
#3056
Waterford
County, OH
95 A
#3057
Waterloo
County, IN
95 A
#3058
Wayne City
County, IL
95 A
#3059
Weatherby Lake
County, MO
95 A
#3060
West Columbia
County, SC
95 A
#3061
West Milton
County, OH
95 A
#3062
Westminster
County, CA
95 A
#3063
Wilkes Barre
County, PA
95 A
#3064
Winder
County, GA
95 A
#3065
Woodburn
County, OR
95 A
#3066
Wye Mills
County, MD
95 A
#3067
York Springs
County, PA
95 A
#3068
Adel
County, GA
94 A
#3069
Akron
County, PA
94 A
#3070
Alamo
County, GA
94 A
#3071
Algood
County, TN
94 A
#3072
Aliceville
County, AL
94 A

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.

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