Clay Water Quality Report
2 cities ranked · Average grade: A- · South Dakota
Avg Score
87.2
Cities Ranked
2
Health Violations
1
PFAS Detected
2
87.2
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
2
PFAS detected
Grade Distribution
How Clay cities scored
A
1
50%
Excellent
B
1
50%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs South Dakota average
▲ 5.9 pts above state average
City Map
Water quality across Clay
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Clay
Best cities
Worst cities
Full Rankings
All 2 cities in Clay
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Vermillion | A | 92.5 | 12K | 3 | Unresolved | |
| 2 | Wakonda | B+ | 81.8 | 7K | 172 | Health Unresolved |