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 1901–1925 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Daum Bros. Number 3 Jones County | 31 | 1958 | Low | Not Rated |
| Daum Bros. Number 2 Jones County | 31 | 1961 | Low | Not Rated |
| Daum Bros. Number 1 Jones County | 25 | 1960 | Low | Not Rated |
| Daum Bros. Jones County | 28 | 1963 | Low | Not Rated |
| Darrell Nelson Dam Yankton County | 32 | 2015 | Low | Not Rated |
| Dante Lake Dam Charles Mix County | 30 | 1938 | Low | Not Rated |
| Dannie Oconnell Pennington County | 20 | 1960 | Low | Not Rated |
| Dan Gray No. 3 Dewey County | 25 | 1955 | Low | Not Rated |
| Damgaard Dam Marshall County | 19 | 2009 | Low | Not Rated |
| Dalhke Ranch Number 6 Jones County | 22 | 1972 | Low | Not Rated |
| Dalhke Ranch Number 5 Jones County | 28 | 1956 | Low | Not Rated |
| Dalhke Ranch Number 4 Jones County | 30 | 1959 | Low | Not Rated |
| Dalhke Ranch Number 3 Jones County | 30 | 1958 | Low | Not Rated |
| Dalhke Ranch Number 2 Jones County | 27 | 1953 | Low | Not Rated |
| Dalhke Ranch Number 1 Jones County | 29 | 1956 | Low | Not Rated |
| Dalhke Number 7 Jones County | 25 | 1956 | Low | Not Rated |
| Dale Swedland 1 Tripp County | 27 | 1961 | Low | Not Rated |
| Dale & Leonard Eriksen Potter County | 12 | 1952 | Low | Not Rated |
| Dale Ellis Lyman County | 28 | 1972 | Low | Not Rated |
| C. Wulff Stockwater Dam Buffalo County | 33 | 1956 | Low | Not Rated |
| C.W. Stewart Potter County | 18 | 1942 | Low | Not Rated |
| Cutler Dam Harding County | 23 | 1950 | Low | Not Rated |
| Curlew Meade County | 43 | 1956 | Low | Not Rated |
| C. Steen Ziebach County | 15 | 1941 | Low | Not Rated |
| Crown Dam Pennington County | 15 | 1950 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.