Winnebago Water Quality Report
3 cities ranked · Average grade: A- · Iowa
Avg Score
87.5
Cities Ranked
3
Health Violations
2
PFAS Detected
1
87.5
County avg score
3
Cities ranked
100%
A or B grade
0%
D or F grade
2
Health violations
1
PFAS detected
Grade Distribution
How Winnebago 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 Iowa average
= Exactly at state average
City Map
Water quality across Winnebago
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Winnebago
Best cities
Worst cities
County context
81.9%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Winnebago
Industrial polluters nearby
Facilities reporting the most surface-water releases in Winnebago, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
DIELECTRIC MFG. - IOWA LAKE MILLS, IA50450 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 3 cities in Winnebago
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Buffalo Center | A | 91.5 | 857 | 4 | Unresolved | |
| 2 | Lake Mills | A | 91.1 | 2K | 7 | Health Unresolved | |
| 3 | Forest City | B | 79.8 | 4K | 94 | Health Unresolved |