South Dakota ZIP Code Water Quality
12 ZIP codes with water quality data · State average grade: B+
ZIP Codes
12
Avg Grade
B+
A or B
58%
D or F
25%
Grade Distribution
How South Dakota ZIP codes scored
A
1
8%
Excellent
B
6
50%
Good
C
2
17%
Fair
D
1
8%
Poor
F
2
17%
Failing
All ZIP Codes
All 12 ZIP codes in South Dakota
| ZIP Code | Primary City | Grade | Score | Score | Cities |
|---|---|---|---|---|---|
| 57028 | Flandreau | C | 63.9 | 1 | |
| 57262 | Agency Village | B | 76 | 1 | |
| 57339 | Fort Thompson | C | 64.8 | 1 | |
| 57346 | Stephan | B+ | 80 | 1 | |
| 57380 | Wagner | D | 49 | 1 | |
| 57501 | Pierre | A- | 87.3 | 1 | |
| 57532 | Fort Pierre | B+ | 84.4 | 1 | |
| 57548 | Lower Brule | B+ | 81 | 1 | |
| 57555 | Mission | B+ | 83.8 | 1 | |
| 57570 | Rosebud | F | 42.2 | 1 | |
| 57716 | Batesland | B- | 70.4 | 1 | |
| 57770 | Pine Ridge | F | 43.2 | 1 |