Pennington Water Quality Report
9 cities ranked · Average grade: B- · South Dakota
Avg Score
74.5
Cities Ranked
9
Health Violations
9
PFAS Detected
5
74.5
County avg score
9
Cities ranked
67%
A or B grade
11%
D or F grade
9
Health violations
5
PFAS detected
Grade Distribution
How Pennington cities scored
A
4
44%
Excellent
B
2
22%
Good
C
2
22%
Fair
D
0
0%
Poor
F
1
11%
Failing
Comparison
County vs South Dakota average
▼ 6.8 pts below state average
City Map
Water quality across Pennington
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Pennington
County context
1
Superfund site in Pennington
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Pennington
Industrial polluters nearby
Facilities reporting the most surface-water releases in Pennington, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
FOREST PRODUCTS DISTRIBUTORS INC RAPID CITY, SD57703 | — | — |
HUBBARD FEEDS INC RAPID CITY, SD57701 | — | — |
PETE LIEN & SONS INC RAPID CITY, SD57702 | — | — |
GCC DACOTAH RAPID CITY, SD57702 | — | — |
U.S. DOD USAF, ELLSWORTH AFB ELLSWORTH AFB, SD57706 | — | — |
+ 2 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Pennington
Superfund sites nearby
Federally tracked hazardous-waste sites within Pennington on the EPA National Priorities List.
- ELLSWORTH AIR FORCE BASE
Source: EPA Superfund National Priorities List
Full Rankings
All 9 cities in Pennington
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Philip | A | 91.8 | 2K | 35 | Health Unresolved | |
| 2 | Ellsworth Afb | A | 91.2 | 9K | 7 | Health Unresolved | |
| 3 | Wall | A- | 87.7 | 783 | 92 | Health Unresolved | |
| 4 | Hill City | A- | 86.2 | 1K | 104 | Health Unresolved | |
| 5 | Rapid City | B | 75 | 808 | 289 | Health Unresolved | |
| 6 | Box Elder | B- | 72.7 | 14K | 145 | Health Unresolved | |
| 7 | New Underwood | C+ | 68.7 | 1K | 163 | Health Unresolved | |
| 8 | Rapid City | C- | 58.4 | 841 | 392 | Health Unresolved | |
| 9 | Rapid City | F | 38.7 | 96K | 3413 | Health PFAS Unresolved |