Polk Water Quality Report
3 cities ranked · Average grade: A- · Nebraska
Avg Score
85.4
Cities Ranked
3
Health Violations
3
PFAS Detected
0
85.4
County avg score
3
Cities ranked
100%
A or B grade
0%
D or F grade
3
Health violations
0
PFAS detected
Grade Distribution
How Polk cities scored
A
1
33%
Excellent
B
2
67%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Nebraska average
▼ 0.4 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
Worst cities
County context
23.1%
of residents on fluoridated water (CDC, 2020)
Full Rankings
All 3 cities in Polk
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Shelby | A | 93.3 | 714 | 11 | Health Unresolved | |
| 2 | Osceola | B+ | 83.3 | 875 | 4 | Health Unresolved | |
| 3 | Stromsburg | B | 79.5 | 1K | 9 | Health Unresolved |