Marion Water Quality Report
1 cities ranked · Average grade: B- · Ohio
Avg Score
74.8
Cities Ranked
1
Health Violations
1
PFAS Detected
1
74.8
County avg score
1
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
1
PFAS detected
Grade Distribution
How Marion cities scored
A
0
0%
Excellent
B
1
100%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Ohio average
▼ 2.5 pts below state average
City Map
Water quality across Marion
Each dot is a city, colored by grade. Click any city to view its full report.
County context
1
Superfund site in Marion
8
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Marion
Industrial polluters nearby
Facilities reporting the most surface-water releases in Marion, 2023.
Total reported releases to surface water: 8 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
HILDRETH MANUFACTURING LLC MARION, OH43302 | Copper | 8 |
NUCOR STEEL MARION INC MARION, OH43302 | Zinc compounds | 0 |
ARCELORMITTAL TUBULAR PRODUCTS USA LLC MARION, OH43302 | — | — |
OHIO GALVANIZING CORP MARION, OH43302 | — | — |
NACHURS ALPINE SOLUTIONS MARION, OH43302 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Marion
Superfund sites nearby
Federally tracked hazardous-waste sites within Marion on the EPA National Priorities List.
- LITTLE SCIOTO RIVER
Source: EPA Superfund National Priorities List
Full Rankings
All 1 cities in Marion
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Marion | B- | 74.8 | 67K | 52 | Health Unresolved |