South Dakota Dams
2,541 dams tracked by the National Inventory of Dams
Total Dams
2,541
High Hazard
86
3.4%
Poor / Unsatisfactory
34
Average Age
68 yrs
Hazard Classification
High86 (3.4%)
Significant149 (5.9%)
Low2,306 (90.8%)
Condition Assessment
Satisfactory9 (0.4%)
Fair41 (1.6%)
Poor / Unsatisfactory34 (1.3%)
Not Rated2,457 (96.7%)
Federal
158
State
171
Local
84
Private
2,125
Tallest Dams
- Grizzly Gulch Tailings Dam380 ft
- Oahe Dam245 ft
- Big Bend Dam205 ft
- Angostura Dam193 ft
- Deerfield Dam171 ft
High Hazard Dams
- Grizzly Gulch Tailings DamHigh
- Oahe DamHigh
- Big Bend DamHigh
- Angostura DamHigh
- Deerfield DamHigh
Poor Condition Dams
- OglalaUnsatisfactory
- MarindahlPoor
- Crow CreekPoor
- RichmondPoor
- Ghost HawkUnsatisfactory
All Dams in South Dakota
Showing 1801–1825 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sd Noname 146 Jackson County | 17 | 1950 | Low | Not Rated |
| Sd Noname 148 Jackson County | 12 | 1948 | Low | Not Rated |
| Sd Noname 149 Jackson County | 14 | 1950 | Low | Not Rated |
| Sd Noname 15 Haakon County | 21 | 1971 | Low | Not Rated |
| Sd Noname 151 Jackson County | 16 | 1955 | Low | Not Rated |
| Sd Noname 152 Jackson County | 22 | 1940 | Low | Not Rated |
| Sd Noname 153 Jackson County | 24 | 1950 | Low | Not Rated |
| Sd Noname 154 Jackson County | 21 | 1935 | Low | Not Rated |
| Sd Noname 155 Jackson County | 14 | 1950 | Low | Not Rated |
| Sd Noname 156 Jackson County | 19 | 1940 | Low | Not Rated |
| Sd Noname 157 Jackson County | 22 | 1935 | Low | Not Rated |
| Sd Noname 158 Jackson County | 13 | 1950 | Low | Not Rated |
| Sd Noname 159 Jackson County | 19 | 1950 | Low | Not Rated |
| Sd Noname 16 Pennington County | 12 | 1948 | Low | Not Rated |
| Sd Noname 160 Haakon County | 18 | 1950 | Low | Not Rated |
| Sd Noname 161 Jackson County | 22 | 1950 | Low | Not Rated |
| Sd Noname 162 Jackson County | 27 | 1974 | Low | Not Rated |
| Sd Noname 163 Jackson County | 22 | 1950 | Low | Not Rated |
| Sd Noname 164 Jackson County | 26 | 1950 | Low | Not Rated |
| Sd Noname 165 Jackson County | 20 | 1950 | Low | Not Rated |
| Sd Noname 166 Jackson County | 16 | 1950 | Low | Not Rated |
| Sd Noname 167 Jackson County | 23 | 1940 | Low | Not Rated |
| Sd Noname 168 Jackson County | 23 | 1940 | Low | Not Rated |
| Sd Noname 169 Jackson County | 17 | 1935 | Low | Not Rated |
| Sd Noname 17 Haakon County | 15 | 1955 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.