City Water Quality Rankings in Tennessee
257 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#1
Blountville
County, TN
100 A
#2 Brownsville
County, TN
100 A
#3 Dresden
County, TN
100 A
#4 Gordonsville
County, TN
100 A
#5 Halls
County, TN
100 A
#6 Huntsville
County, TN
100 A
#7 Memphis
County, TN
100 A
#8 Mount Juliet
County, TN
100 A
#9 Russellville
County, TN
100 A
#10 Alamo
County, TN
99 A
#11 Allardt
County, TN
98 A
#12 Atoka
County, TN
98 A
#13 Big Sandy
County, TN
98 A
#14 Bradford
County, TN
98 A
#15 Brentwood
County, TN
98 A
#16 Brighton
County, TN
98 A
#17 Calhoun
County, TN
98 A
#18 Covington
County, TN
98 A
#19 Cowan
County, TN
98 A
#20 Gallatin
County, TN
98 A
#21 Humboldt
County, TN
98 A
#22 Jacksboro
County, TN
98 A
#23 Jefferson City
County, TN
98 A
#24 Leoma
County, TN
98 A
Frequently Asked Questions
How are city water quality rankings calculated in Tennessee?
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 cities in Tennessee?
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.