Polk Water Quality Report
12 cities ranked · Average grade: A- · Iowa
Avg Score
85.4
Cities Ranked
12
Health Violations
9
PFAS Detected
10
85.4
County avg score
12
Cities ranked
100%
A or B grade
0%
D or F grade
9
Health violations
10
PFAS detected
Grade Distribution
How Polk cities scored
A
5
42%
Excellent
B
7
58%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Iowa average
▼ 2.1 pts below state average
City Map
Water quality across Polk
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Polk
Best cities
County context
3
Superfund sites in Polk
99.6%
of residents on fluoridated water (CDC, 2020)
1,745
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Polk
Industrial polluters nearby
Facilities reporting the most surface-water releases in Polk, 2023.
Total reported releases to surface water: 1,745 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
JOHN DEERE DES MOINES WORKS ANKENY, IA50023 | Manganese | 1,024 |
U.S. ARMY IOWA ARMY NATIONAL GUARD CAMP DODGE INSTALLATION JOHNSTON, IA50131 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 680 |
TITAN TIRE CORP DES MOINES, IA50317 | Zinc compounds | 24 |
BRIDGESTONE AMERICAS TIRE OPERATIONS LLC DES MOINES, IA50313 | Zinc compounds | 15 |
ADM ANIMAL NUTRITION DES MOINES, IA50313 | Manganese And Manganese Compounds | 1 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Polk
Superfund sites nearby
Federally tracked hazardous-waste sites within Polk on the EPA National Priorities List.
- DES MOINES TCE
- LOT 46 VALLEY GARDENS TCE
- RAILROAD AVENUE GROUNDWATER CONTAMINATION
Source: EPA Superfund National Priorities List
Full Rankings
All 12 cities in Polk
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Clive | A | 92.7 | 19K | 6 | Health Unresolved | |
| 2 | Bondurant | A | 92.2 | 9K | 6 | Health Unresolved | |
| 3 | Mitchellville | A | 90.4 | 3K | 11 | Health Unresolved | |
| 4 | Elkhart | A- | 88.7 | 882 | 12 | Unresolved | |
| 5 | Grimes | A- | 87 | 17K | 24 | Health Unresolved | |
| 6 | Des Moines | B+ | 85 | 250K | 35 | Health Unresolved | |
| 7 | Polk City | B+ | 84.5 | 7K | 2 | Unresolved | |
| 8 | Altoona | B+ | 83.9 | 27K | 37 | Health Unresolved | |
| 9 | West Des Moines | B+ | 81.6 | 70K | 31 | Health Unresolved | |
| 10 | Johnston | B+ | 80.9 | 25K | 45 | Health Unresolved | |
| 11 | Urbandale | B+ | 80.2 | 46K | 8 | Unresolved | |
| 12 | Ankeny | B | 77.7 | 78K | 99 | Health Unresolved |