City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#1897
Traverse City
County, MI
98 A
#1898 Troy
County, MI
98 A
#1899 Troy
County, PA
98 A
#1900 Truckee
County, CA
98 A
#1901 Trussville
County, AL
98 A
#1902 Tumbling Shoals
County, AR
98 A
#1903 Tumwater
County, WA
98 A
#1904 Tuscumbia
County, AL
98 A
#1905 Two Harbors
County, MN
98 A
#1906 Tyndall
County, SD
98 A
#1907 Union City
County, TN
98 A
#1908 Union Gap
County, WA
98 A
#1909 Uniontown
County, OH
98 A
#1910 Utica
County, MI
98 A
#1911 Vadnais Heights
County, MN
98 A
#1912 Valparaiso
County, IN
98 A
#1913 Van Buren Township
County, MI
98 A
#1914 Vancouver
County, WA
98 A
#1915 Vandenberg Sfb
County, CA
98 A
#1916 Velva
County, ND
98 A
#1917 Vermillion
County, SD
98 A
#1918 Versailles
County, OH
98 A
#1919 Virden
County, IL
98 A
#1920 Virginia
County, MN
98 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.