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 1976–2000 of 2,541
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Dykstra Number 14 Jones County | 29 | 1950 | Low | Not Rated |
| Dykstra Number 13 Jones County | 27 | 1954 | Low | Not Rated |
| Dykstra Number 12 Jones County | 34 | 1953 | Low | Not Rated |
| Dykstra Number 10 Jones County | 25 | 1959 | Low | Not Rated |
| Dykstra Number 1 Jones County | 27 | 1956 | Low | Not Rated |
| Dykstra Nulmber 11 Jones County | 27 | 1961 | Low | Not Rated |
| Dwyer Jerauld County | 33 | 1966 | Low | Not Rated |
| D. Wood Meade County | 14 | 1948 | Low | Not Rated |
| D. Woddell Dewey County | 24 | 1950 | Low | Not Rated |
| Duwayne Slaathaug #1 Stanley County | 28 | 1963 | Low | Not Rated |
| Dutton Dam Perkins County | 28 | 1936 | Low | Not Rated |
| Dusseau Dam Brule County | 26 | 1947 | Significant | Not Rated |
| Durkee Meade County | 32 | 1938 | High | Fair |
| Dunn Road Dam Harding County | 20 | 1955 | Low | Not Rated |
| D. Ulrich Perkins County | 15 | 1910 | Low | Not Rated |
| Dugan Number 1 Jones County | 25 | 1953 | Low | Not Rated |
| Duerson Dam Fall River County | 18 | 1962 | Low | Not Rated |
| Dudley Dam Spink County | 20 | 1934 | Low | Not Rated |
| Duck Dam Harding County | 12 | 1940 | Significant | Not Rated |
| Duck Creek Dam No.2 Fall River County | 21 | 1955 | Significant | Not Rated |
| D. Timmons Meade County | 24 | 1973 | Low | Not Rated |
| D. Talley Meade County | 28 | 1964 | Low | Not Rated |
| D. Schrempp Dewey County | 16 | 1940 | Low | Not Rated |
| Dry Run Subimpoundment Brown County | 10 | 1994 | Low | Not Rated |
| Dry Lake Dam Brookings County | 23 | 1997 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.