Marion Water Quality Report
8 cities ranked · Average grade: B+ · Illinois
Avg Score
84.8
Cities Ranked
8
Health Violations
6
PFAS Detected
0
84.8
County avg score
8
Cities ranked
88%
A or B grade
0%
D or F grade
6
Health violations
0
PFAS detected
Grade Distribution
How Marion cities scored
A
5
63%
Excellent
B
2
25%
Good
C
1
13%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Illinois average
▲ 5.1 pts above state average
City Map
Water quality across Marion
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Marion
Best cities
Worst cities
County context
1
Superfund site in Marion
100.0%
of residents on fluoridated water (CDC, 2020)
0
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.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
GRAPHIC PACKAGING INTERNATIONAL LLC CENTRALIA, IL62801 | — | — |
SWAN SURFACES LLC CENTRALIA, IL62801 | — | — |
HAWKINS INC. - CENTRALIA CENTRALIA, IL62801 | — | — |
NORTH AMERICAN LIGHTING INC SALEM, IL62881 | — | — |
RADIAC ABRASIVES INC SALEM, IL62881 | — | — |
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.
- SANDOVAL ZINC COMPANY
Source: EPA Superfund National Priorities List
Full Rankings
All 8 cities in Marion
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Walnut Hill | A+ | 95.2 | 1K | 3 | ||
| 2 | Kinmundy | A | 92.7 | 940 | 28 | Health Unresolved | |
| 3 | Sandoval | A | 92.3 | 2K | 10 | Health Unresolved | |
| 4 | Odin | A- | 88.3 | 5K | 15 | Health Unresolved | |
| 5 | Patoka | A- | 86.8 | 603 | 76 | Health Unresolved | |
| 6 | Wamac | B+ | 82.3 | 1K | 8 | Unresolved | |
| 7 | Centralia | B | 79.8 | 23K | 36 | Health Unresolved | |
| 8 | Salem | C | 60.8 | 11K | 84 | Health Unresolved |