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 2451–2475 of 2,541
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| W. Grueb Meade County | 21 | 1951 | Low | Not Rated |
| Whidby Structure 20 Jackson County | 24 | 1966 | Significant | Not Rated |
| Whisler Number 1 Jones County | 20 | 1953 | Low | Not Rated |
| White Clay Oglala Lakota County | 35 | 1936 | High | Unsatisfactory |
| White Hill Dam Perkins County | 23 | 1930 | Low | Not Rated |
| White Lake Dam Marshall County | 30 | 1933 | Significant | Not Rated |
| White Pond No.1 Harding County | 20 | 1952 | Low | Not Rated |
| White Ranch Perkins County | 21 | 1958 | Low | Not Rated |
| White Ranch Dam Fall River County | 16 | 1937 | Low | Not Rated |
| White River Association Mellette County | 27 | 1956 | Low | Not Rated |
| White River Association #3 Mellette County | 31 | 1957 | Low | Not Rated |
| White River Grazing Assoc. No.1 Mellette County | 26 | 1960 | Low | Not Rated |
| White Rock Colony Nouth Dam Roberts County | 18 | — | Low | Not Rated |
| White Rock Colony South Dam Roberts County | 16 | — | Low | Not Rated |
| Whitewater North Site #1 Pennington County | 11 | 2000 | Low | Not Rated |
| W. Holmes No.1 Ziebach County | 28 | 1963 | Low | Not Rated |
| W. Holmes No.2 Ziebach County | 22 | 1960 | Low | Not Rated |
| W. Holmes No.3 Ziebach County | 27 | 1960 | Low | Not Rated |
| Wicksville Pennington County | 31 | 1935 | Low | Not Rated |
| Wieman Dam Turner County | 30 | 2007 | Low | Not Rated |
| Wientjes Bros No.1 Campbell County | 29 | 1971 | Low | Not Rated |
| Wientjes Bros No.2 Campbell County | 27 | 1968 | Low | Not Rated |
| Wiesner Dam 1 Buffalo County | 26 | 1951 | Low | Not Rated |
| Wilburn Dam Haakon County | 16 | 1950 | Low | Not Rated |
| Wilbur Russell Hughes County | 18 | 1956 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.