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 1951–1975 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Collins No.2 Harding County | 21 | 1950 | Low | Not Rated |
| Collins No.1 Harding County | 23 | 1959 | Low | Not Rated |
| Collins Dam Meade County | 21 | 1949 | Low | Not Rated |
| Collins Dam Ziebach County | 32 | 2000 | Low | Not Rated |
| Cole Dam Perkins County | 25 | 1934 | Low | Not Rated |
| Coal Springs Dam Perkins County | 31 | 1934 | Low | Not Rated |
| Cnv Ranch Number 1 Jones County | 25 | 1953 | Low | Not Rated |
| C. Nuzum No.2 Meade County | 21 | 1949 | Low | Not Rated |
| C. Nuzum No.1 Meade County | 16 | 1946 | Low | Not Rated |
| C. Mraz Ziebach County | 13 | 1951 | Low | Not Rated |
| C. Mcgillvrey Hand County | 27 | 1960 | Low | Not Rated |
| C Mccormick Dam Todd County | 16 | 1946 | Low | Not Rated |
| C Little Wounded Ziebach County | 20 | 1949 | Low | Not Rated |
| Clifford Seidel Perkins County | 18 | 1951 | Low | Not Rated |
| Cliff Fees Jackson County | 14 | 1948 | Low | Not Rated |
| Clavel No.4 Ziebach County | 26 | 1962 | Low | Not Rated |
| Clavel No.3 Ziebach County | 22 | 1956 | Low | Not Rated |
| Clavel No.2 Ziebach County | 12 | 1951 | Low | Not Rated |
| Clavel No.1 Ziebach County | 23 | 1947 | Low | Not Rated |
| Clausen Dam Dewey County | 26 | 2002 | Low | Not Rated |
| Clarence Goff Meade County | 21 | 1953 | Low | Not Rated |
| Clanton Spreader Dam Harding County | 18 | 1955 | Low | Not Rated |
| Clanton No.1 Harding County | 23 | 1958 | Low | Not Rated |
| C Klein Dam Todd County | 20 | 1946 | Low | Not Rated |
| C. Jordan Meade County | 22 | 1948 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.