Harrison Water Quality Report
4 cities ranked · Average grade: B+ · Iowa
Avg Score
82.5
Cities Ranked
4
Health Violations
3
PFAS Detected
0
82.5
County avg score
4
Cities ranked
75%
A or B grade
0%
D or F grade
3
Health violations
0
PFAS detected
Grade Distribution
How Harrison cities scored
A
2
50%
Excellent
B
1
25%
Good
C
1
25%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Iowa average
▼ 5.0 pts below state average
City Map
Water quality across Harrison
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Harrison
Best cities
Worst cities
County context
68.7%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Harrison
Industrial polluters nearby
Facilities reporting the most surface-water releases in Harrison, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
CARRY-ON TRAILER CORP MISSOURI VALLEY, IA51555 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 4 cities in Harrison
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Logan | A | 93.5 | 1K | 7 | Unresolved | |
| 2 | Dunlap | A- | 86.6 | 1K | 16 | Health Unresolved | |
| 3 | Woodbine | B+ | 83.5 | 2K | 8 | Health Unresolved | |
| 4 | Missouri Valley | C+ | 66.3 | 3K | 79 | Health Unresolved |