Johnson Water Quality Report
2 cities ranked · Average grade: B- · Tennessee
Avg Score
71.8
Cities Ranked
2
Health Violations
2
PFAS Detected
1
71.8
County avg score
2
Cities ranked
50%
A or B grade
0%
D or F grade
2
Health violations
1
PFAS detected
Grade Distribution
How Johnson cities scored
A
0
0%
Excellent
B
1
50%
Good
C
1
50%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Tennessee average
▼ 11.0 pts below state average
City Map
Water quality across Johnson
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Johnson
Best cities
Worst cities
County context
81.8%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Johnson
Industrial polluters nearby
Facilities reporting the most surface-water releases in Johnson, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
TN MOUNTAIN CITY LLC MOUNTAIN CITY, TN37683 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 2 cities in Johnson
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Butler | B+ | 81.3 | 1K | 103 | Health Unresolved | |
| 2 | Mountain City | C | 62.3 | 10K | 165 | Health Unresolved |