Humboldt Water Quality Report
2 cities ranked · Average grade: A · Iowa
Avg Score
92.8
Cities Ranked
2
Health Violations
1
PFAS Detected
1
92.8
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
1
PFAS detected
Grade Distribution
How Humboldt cities scored
A
2
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Iowa average
▲ 5.3 pts above state average
City Map
Water quality across Humboldt
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Humboldt
Best cities
Worst cities
County context
75.7%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Humboldt
Industrial polluters nearby
Facilities reporting the most surface-water releases in Humboldt, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
FORTERRA CONCRETE PRODUCTS - HUMBOLDT HUMBOLDT, IA50548 | — | — |
PRECISION TANK & EQUIPMENT CO. HUMBOLDT, IA50548 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 2 cities in Humboldt
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Dakota City | A | 94.5 | 769 | 6 | Unresolved | |
| 2 | Humboldt | A | 91.2 | 5K | 3 | Health Unresolved |