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 401–425 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sd Noname 275 Haakon County | 25 | 1950 | Low | Not Rated |
| Sd Noname 274 Haakon County | 20 | 1936 | Low | Not Rated |
| Sd Noname 273 Haakon County | 18 | 1952 | Low | Not Rated |
| Sd Noname 271 Haakon County | 15 | 1953 | Low | Not Rated |
| Sd Noname 270 Haakon County | 15 | 1951 | Low | Not Rated |
| Sd Noname 27 Haakon County | 13 | 1965 | Low | Not Rated |
| Sd Noname 269 Haakon County | 18 | 1953 | Low | Not Rated |
| Sd Noname 268 Haakon County | 15 | 1955 | Low | Not Rated |
| Sd Noname 265 Haakon County | 24 | 1958 | Low | Not Rated |
| Sd Noname 264 Haakon County | 17 | 1956 | Low | Not Rated |
| Sd Noname 263 Haakon County | 19 | 1964 | Low | Not Rated |
| Sd Noname 262 Haakon County | 19 | 1954 | Low | Not Rated |
| Sd Noname 261 Haakon County | 26 | 1957 | Low | Not Rated |
| Sd Noname 260 Haakon County | 25 | 1950 | Low | Not Rated |
| Sd Noname 26 Haakon County | 15 | 1960 | Low | Not Rated |
| Sd Noname 259 Haakon County | 23 | 1969 | Low | Not Rated |
| Sd Noname 258 Haakon County | 20 | 1943 | Low | Not Rated |
| Sd Noname 257 Haakon County | 26 | 1960 | Low | Not Rated |
| Sd Noname 256 Haakon County | 21 | 1952 | Low | Not Rated |
| Sd Noname 255 Haakon County | 18 | 1956 | Low | Not Rated |
| Sd Noname 254 Haakon County | 22 | 1955 | Low | Not Rated |
| Sd Noname 253 Haakon County | 19 | 1950 | Low | Not Rated |
| Sd Noname 252 Haakon County | 23 | 1962 | Low | Not Rated |
| Sd Noname 250 Haakon County | 23 | 1958 | Low | Not Rated |
| Sd Noname 249 Haakon County | 15 | 1960 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.