Johnson Water Quality Report
4 cities ranked · Average grade: B+ · Illinois
Avg Score
84
Cities Ranked
4
Health Violations
3
PFAS Detected
0
84
County avg score
4
Cities ranked
100%
A or B grade
0%
D or F grade
3
Health violations
0
PFAS detected
Grade Distribution
How Johnson cities scored
A
2
50%
Excellent
B
2
50%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Illinois average
▲ 4.3 pts above 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
100.0%
of residents on fluoridated water (CDC, 2020)
Full Rankings
All 4 cities in Johnson
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | New Burnside | A- | 89.3 | 3K | 5 | Health Unresolved | |
| 2 | Belknap | A- | 88 | 516 | 5 | Unresolved | |
| 3 | Goreville | B+ | 81.6 | 1K | 7 | Health Unresolved | |
| 4 | Vienna | B | 77.3 | 4K | 163 | Health Unresolved |