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 376–400 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sd Noname 44 Haakon County | 12 | 1954 | Low | Not Rated |
| Sd Noname 43 Haakon County | 13 | 1960 | Low | Not Rated |
| Sd Noname 41 Haakon County | 21 | 1965 | Low | Not Rated |
| Sd Noname 40 Haakon County | 13 | 1970 | Low | Not Rated |
| Sd Noname 4 Haakon County | 14 | 1935 | Low | Not Rated |
| Sd Noname 39 Haakon County | 13 | 1958 | Low | Not Rated |
| Sd Noname 38 Haakon County | 20 | 1956 | Low | Not Rated |
| Sd Noname 37 Haakon County | 19 | 1957 | Low | Not Rated |
| Sd Noname 36 Pennington County | 17 | 1948 | Low | Not Rated |
| Sd Noname 35 Haakon County | 22 | 1956 | Low | Not Rated |
| Sd Noname 34 Haakon County | 12 | 1955 | Low | Not Rated |
| Sd Noname 32 Haakon County | 17 | 1960 | Low | Not Rated |
| Sd Noname 31 Haakon County | 13 | 1960 | Low | Not Rated |
| Sd Noname 30 Haakon County | 17 | 1972 | Low | Not Rated |
| Sd Noname 3 Buffalo County | 22 | 1946 | Low | Not Rated |
| Sd Noname 29 Haakon County | 28 | 1966 | Low | Not Rated |
| Sd Noname 289 Stanley County | 14 | 1958 | Low | Not Rated |
| Sd Noname 286 Haakon County | 25 | 1958 | Low | Not Rated |
| Sd Noname 285 Haakon County | 25 | 1960 | Low | Not Rated |
| Sd Noname 284 Haakon County | 30 | 1959 | Low | Not Rated |
| Sd Noname 282 Haakon County | 18 | 1955 | Low | Not Rated |
| Sd Noname 280 Haakon County | 16 | 1955 | Low | Not Rated |
| Sd Noname 279 Haakon County | 28 | 1970 | Low | Not Rated |
| Sd Noname 277 Haakon County | 28 | 1969 | Low | Not Rated |
| Sd Noname 276 Haakon County | 20 | 1954 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.