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.