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 2101–2125 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Brost Number 10 Jones County | 27 | 1964 | Low | Not Rated |
| Brost Number 1 Jones County | 27 | 1953 | Low | Not Rated |
| Brophy Big Dam Custer County | 28 | 1945 | Low | Not Rated |
| Brooks Dam Dewey County | 23 | 2001 | Low | Not Rated |
| Bronson #2 Mellette County | 35 | 1967 | Low | Not Rated |
| Bronson #1 Mellette County | 24 | 1950 | Low | Not Rated |
| Bremmon Dam #1 Marshall County | 23 | 1977 | Low | Not Rated |
| Brandenburger Dam Roberts County | 18 | 1998 | Low | Not Rated |
| Bradfield Divers. & Dete Jackson County | 40 | 1962 | Low | Not Rated |
| Boy Scouts of America Pennington County | 44 | 1975 | Low | Not Rated |
| Boydston Dam Pennington County | 12 | 2017 | Low | Not Rated |
| Boyd #1 Jones County | 27 | 1954 | Low | Not Rated |
| Bown Dam Stanley County | 31 | 1957 | Low | Not Rated |
| Bower (Nid) Lyman County | 17 | 1938 | Low | Not Rated |
| Bourk No.1 Hughes County | 30 | 1977 | Low | Not Rated |
| Bork Number 2 Jones County | 25 | 1969 | Low | Not Rated |
| Bork Number 1 Jones County | 26 | 1959 | Low | Not Rated |
| Booth Number 1 Jones County | 18 | 1952 | Low | Not Rated |
| Booth Dam Jones County | 15 | 2007 | Low | Not Rated |
| Booth Lyman County | 23 | 1938 | Low | Not Rated |
| Boocke No 2 (Nid) Jackson County | 14 | 1940 | Low | Not Rated |
| Boocke #3 Jackson County | 11 | 1990 | Low | Not Rated |
| Bonita Springs Lake Meade County | 26 | 1935 | Low | Not Rated |
| Bonesteel Lake Gregory County | 15 | 1935 | Low | Not Rated |
| Bolstad Wpa Brookings County | 7 | 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.