Sully Water Quality Report
1 cities ranked · Average grade: A- · South Dakota
Avg Score
88.7
Cities Ranked
1
Health Violations
1
PFAS Detected
0
88.7
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 Sully 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
▲ 7.4 pts above state average
City Map
Water quality across Sully
Each dot is a city, colored by grade. Click any city to view its full report.
County context
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Sully
Industrial polluters nearby
Facilities reporting the most surface-water releases in Sully, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
RING-NECK ENERGY & FEED LLC ONIDA, SD57564 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 1 cities in Sully
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Onida | A- | 88.7 | 658 | 66 | Health Unresolved |