Clark Water Quality Report
3 cities ranked · Average grade: A- · Missouri
Avg Score
88
Cities Ranked
3
Health Violations
0
PFAS Detected
0
88
County avg score
3
Cities ranked
100%
A or B grade
0%
D or F grade
0
Health violations
0
PFAS detected
Grade Distribution
How Clark cities scored
A
2
67%
Excellent
B
1
33%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Missouri average
▲ 9.3 pts above state average
City Map
Water quality across Clark
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Clark
Best cities
Worst cities
County context
97.7%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Clark
Industrial polluters nearby
Facilities reporting the most surface-water releases in Clark, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
KPF STEEL FOUNDRY KAHOKA, MO63445 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 3 cities in Clark
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Williamstown | A | 92.6 | 7K | 8 | Unresolved | |
| 2 | Kahoka | A- | 89.1 | 2K | 7 | Unresolved | |
| 3 | Wayland | B+ | 82.2 | 533 | 12 | Unresolved |