Rock Water Quality Report
1 cities ranked · Average grade: A+ · Michigan
Avg Score
96.1
Cities Ranked
1
Health Violations
1
PFAS Detected
0
96.1
County avg score
1
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
0
PFAS detected
Grade Distribution
How Rock cities scored
A
1
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Michigan average
▲ 15.1 pts above state average
City Map
Water quality across Rock
Each dot is a city, colored by grade. Click any city to view its full report.
Full Rankings
All 1 cities in Rock
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Janesville | A+ | 96.1 | 1K | 8 | Health |