77.3
County avg score
8
Cities ranked
63%
A or B grade
13%
D or F grade
4
Health violations
3
PFAS detected
Grade Distribution
How Marion cities scored
A
5
63%
Excellent
B
0
0%
Good
C
2
25%
Fair
D
0
0%
Poor
F
1
13%
Failing
Comparison
County vs Missouri average
▼ 1.8 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.
Highlights
Top & bottom cities in Marion
Worst cities
County context
67.8%
of residents on fluoridated water (CDC, 2020)
161,879
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: 161,879 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
BASF CORP - HANNIBAL SITE PALMYRA, MO63461 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 161,879 |
AMVAC CHEMICAL CORP PALMYRA, MO63461 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 8 cities in Marion
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Summerfield | A | 92.9 | 1K | 17 | Unresolved | |
| 2 | Umatilla | A | 91.9 | 678 | 31 | Health Unresolved | |
| 3 | Philadelphia | A- | 89.2 | 5K | 2 | Unresolved | |
| 4 | Palmyra | A- | 87.9 | 4K | 2 | Unresolved | |
| 5 | Ocklawaha | A- | 85.3 | 965 | 40 | Unresolved | |
| 6 | Belleview | C+ | 66.1 | 595 | 76 | Health Unresolved | |
| 7 | Hannibal | C+ | 65.8 | 25K | 80 | Health PFAS Unresolved | |
| 8 | Ocala | F | 39.5 | 1K | 240 | Health PFAS Unresolved |