Mason Water Quality Report
2 cities ranked · Average grade: A- · Michigan
Avg Score
87.3
Cities Ranked
2
Health Violations
1
PFAS Detected
0
87.3
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
0
PFAS detected
Grade Distribution
How Mason cities scored
A
2
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Michigan average
▲ 6.3 pts above state average
City Map
Water quality across Mason
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Mason
Best cities
Worst cities
County context
89.1%
of residents on fluoridated water (CDC, 2020)
24,296
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Mason
Industrial polluters nearby
Facilities reporting the most surface-water releases in Mason, 2023.
Total reported releases to surface water: 24,296 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
OCCIDENTAL CHEMICAL CORP LUDINGTON, MI49431 | Ammonia | 24,296 |
GREAT LAKES CASTINGS LLC LUDINGTON, MI49431 | — | — |
HOUSE OF FLAVORS LUDINGTON, MI49431 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 2 cities in Mason
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Ludington | A- | 88.1 | 9K | 12 | Unresolved | |
| 2 | Scottville | A- | 86.6 | 2K | 12 | Health Unresolved |