Clark Water Quality Report
2 cities ranked · Average grade: A- · South Dakota
Avg Score
86
Cities Ranked
2
Health Violations
2
PFAS Detected
0
86
County avg score
2
Cities ranked
100%
A or B grade
0%
D or F grade
2
Health violations
0
PFAS detected
Grade Distribution
How Clark 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
▲ 4.7 pts above state average
City Map
Water quality across Clark
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Clark
Best cities
Worst cities
Full Rankings