Iowa Water Quality Report
6 cities ranked · Average grade: B+ · Iowa
Avg Score
82.7
Cities Ranked
6
Health Violations
5
PFAS Detected
0
82.7
County avg score
6
Cities ranked
83%
A or B grade
0%
D or F grade
5
Health violations
0
PFAS detected
Grade Distribution
How Iowa cities scored
A
3
50%
Excellent
B
2
33%
Good
C
1
17%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Iowa average
▼ 4.8 pts below state average
City Map
Water quality across Iowa
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Iowa
County context
36.9%
of residents on fluoridated water (CDC, 2020)
21,001
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Iowa
Industrial polluters nearby
Facilities reporting the most surface-water releases in Iowa, 2023.
Total reported releases to surface water: 21,001 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
WHIRLPOOL CORP AMANA, IA52203 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 21,000 |
WILLIAMSBURG MANUFACTURING WILLIAMSBURG, IA52361 | Lead | 1 |
KINZE MANUFACTURING INC WILLIAMSBURG, IA52361 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 6 cities in Iowa
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | North English | A | 93.9 | 1K | 16 | Unresolved | |
| 2 | South Amana | A- | 89.8 | 3K | 15 | Health Unresolved | |
| 3 | Williamsburg | A- | 88 | 3K | 15 | Health Unresolved | |
| 4 | Middle Amana | B+ | 84.9 | 1K | 6 | Health Unresolved | |
| 5 | Marengo | B- | 71.1 | 2K | 55 | Health Unresolved | |
| 6 | Victor | C+ | 68.7 | 875 | 19 | Health Lead Unresolved |