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 1851–1875 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sd Noname 2 Buffalo County | 26 | 1946 | Low | Not Rated |
| Sd Noname 20 Pennington County | 23 | 1963 | Low | Not Rated |
| Sd Noname 202 Haakon County | 25 | 1952 | Low | Not Rated |
| Sd Noname 203 Haakon County | 15 | 1955 | Low | Not Rated |
| Sd Noname 204 Haakon County | 18 | 1955 | Low | Not Rated |
| Sd Noname 206 Haakon County | 13 | 1960 | Low | Not Rated |
| Sd Noname 21 Haakon County | 15 | 1970 | Low | Not Rated |
| Sd Noname 212 Haakon County | 22 | 1956 | Low | Not Rated |
| Sd Noname 213 Haakon County | 14 | 1968 | Low | Not Rated |
| Sd Noname 214 Haakon County | 14 | 1967 | Low | Not Rated |
| Sd Noname 215 Haakon County | 18 | 1969 | Low | Not Rated |
| Sd Noname 216 Haakon County | 16 | 1952 | Low | Not Rated |
| Sd Noname 219 Haakon County | 17 | 1958 | Low | Not Rated |
| Sd Noname 22 Pennington County | 10 | 1955 | Low | Not Rated |
| Sd Noname 223 Haakon County | 16 | 1953 | Low | Not Rated |
| Sd Noname 228 Haakon County | 15 | 1960 | Low | Not Rated |
| Sd Noname 23 Haakon County | 17 | 1958 | Low | Not Rated |
| Sd Noname 230 Haakon County | 18 | 1950 | Low | Not Rated |
| Sd Noname 231 Harding County | 16 | 1952 | Low | Not Rated |
| Sd Noname 232 Harding County | 26 | 1960 | Low | Not Rated |
| Sd Noname 234 Haakon County | 18 | 1953 | Low | Not Rated |
| Sd Noname 235 Haakon County | 17 | 1936 | Low | Not Rated |
| Sd Noname 236 Haakon County | 25 | 1954 | Low | Not Rated |
| Sd Noname 24 Haakon County | 14 | 1970 | Low | Not Rated |
| Sd Noname 240 Haakon County | 19 | 1946 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.