87.6
County avg score
1
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
0
PFAS detected
Grade Distribution
How Mellette cities scored
A
1
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs South Dakota average
▲ 6.0 pts above state average
City Map
Water quality across Mellette
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Mellette
Best cities
Worst cities
Full Rankings
All 1 cities in Mellette
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | White River | A- | 87.6 | 533 | 27 | Health Unresolved |