Dickinson Water Quality Report
5 cities ranked · Average grade: A · Iowa
Avg Score
91
Cities Ranked
5
Health Violations
3
PFAS Detected
2
91
County avg score
5
Cities ranked
100%
A or B grade
0%
D or F grade
3
Health violations
2
PFAS detected
Grade Distribution
How Dickinson cities scored
A
5
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Iowa average
▲ 3.5 pts above state average
City Map
Water quality across Dickinson
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Dickinson
Worst cities
County context
90.0%
of residents on fluoridated water (CDC, 2020)
5
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Dickinson
Industrial polluters nearby
Facilities reporting the most surface-water releases in Dickinson, 2023.
Total reported releases to surface water: 5 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
POLARIS INDUSTRIES INC SPIRIT LAKE, IA51360 | Copper | 5 |
ROSENBOOM MACHINE & TOOL INC SPIRIT LAKE, IA51360 | — | — |
GREEN PLAINS SUPERIOR LLC SUPERIOR, IA51363 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 5 cities in Dickinson
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Milford | A | 93.3 | 3K | 9 | Unresolved | |
| 2 | Spirit Lake | A | 93.2 | 6K | 5 | Health Unresolved | |
| 3 | Lake Park | A | 91.9 | 1K | 11 | Health Unresolved | |
| 4 | Okoboji | A | 90.7 | 793 | 18 | Health Unresolved | |
| 5 | Arnolds Park | A- | 85.7 | 1K | 1 | Unresolved |