Union Water Quality Report
3 cities ranked · Average grade: B+ · Ohio
Avg Score
82.3
Cities Ranked
3
Health Violations
3
PFAS Detected
1
82.3
County avg score
3
Cities ranked
100%
A or B grade
0%
D or F grade
3
Health violations
1
PFAS detected
Grade Distribution
How Union cities scored
A
1
33%
Excellent
B
2
67%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Ohio average
▲ 5.0 pts above state average
City Map
Water quality across Union
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Union
Best cities
Worst cities
County context
126
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Union
Industrial polluters nearby
Facilities reporting the most surface-water releases in Union, 2023.
Total reported releases to surface water: 126 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
SCOTTS CO MARYSVILLE, OH43041 | Ammonia | 123 |
CONTITECH USA LLC MARYSVILLE, OH43040 | Zinc compounds | 3 |
HONDA OF AMERICA MANUFACTURING INC MARYSVILLE, OH430409251 | — | — |
SHELLY MATERIALS PLANT 24 (0180000002) OSTRANDER, OH43061 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 3 cities in Union
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Milford Center | A- | 89.1 | 792 | 28 | Health Unresolved | |
| 2 | Marysville | B+ | 83.8 | 26K | 31 | Health Unresolved | |
| 3 | Richwood | B- | 74 | 2K | 20 | Health Unresolved |