City Water Quality Rankings in Tennessee
261 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#25
Covington
County, TN
98 A
#26 Cowan
County, TN
98 A
#27 Friendsville
County, TN
98 A
#28 Gallatin
County, TN
98 A
#29 Gleason
County, TN
98 A
#30 Humboldt
County, TN
98 A
#31 Jacksboro
County, TN
98 A
#32 Jefferson City
County, TN
98 A
#33 Leoma
County, TN
98 A
#34 Lyles
County, TN
98 A
#35 Petersburg
County, TN
98 A
#36 Sevierville
County, TN
98 A
#37 Signal Mountain
County, TN
98 A
#38 Smartt
County, TN
98 A
#39 Smyrna
County, TN
98 A
#40 South Fulton
County, TN
98 A
#41 Spring Hill
County, TN
98 A
#42 Talbott
County, TN
98 A
#43 Union City
County, TN
98 A
#44 Collierville
County, TN
97 A
#45 Dickson
County, TN
97 A
#46 Johnson City
County, TN
97 A
#47 Loudon
County, TN
97 A
#48 Rossville
County, TN
97 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.