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 51–75 of 86
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kyle Oglala Lakota County | 37 | 1935 | High | Satisfactory |
| Lake Corsica Dam Douglas County | 32 | 1939 | High | Poor |
| Lake Wanalain Dam Brule County | 21 | 1936 | High | Fair |
| Lakota Custer County | 47 | 1962 | High | Not Rated |
| Legion Lake Dam Custer County | 38 | 1934 | High | Fair |
| Little White River Dam Bennett County | 32 | 1938 | High | Fair |
| Major Lake Pennington County | 18 | 1939 | High | Not Rated |
| Marindahl Yankton County | 58 | 1953 | High | Poor |
| Mark Fisher Dam Perkins County | 21 | 1957 | High | Poor |
| Menno Dam Hutchinson County | 53 | 1935 | High | Fair |
| Mitchell Davison County | 55 | 1928 | High | Fair |
| Mitchell Lake Pennington County | 31 | 1936 | High | Not Rated |
| Oahe Dam Stanley County | 245 | 1966 | High | Not Available |
| Oglala Oglala Lakota County | 62 | 1941 | High | Unsatisfactory |
| Opal Dam Meade County | 22 | 1937 | High | Fair |
| Pactola Dike 2 Pennington County | 150 | 1956 | High | Not Available |
| Parmelee Todd County | 36 | 1968 | High | Fair |
| Ponca Gregory County | 45 | 1935 | High | Satisfactory |
| Rank Dam Buffalo County | 40 | 1935 | High | Poor |
| Red Dale Gulch Pennington County | 42 | 1959 | High | Fair |
| Redfield Lake Spink County | 30 | 1939 | High | Poor |
| Red Owl Meade County | 36 | 1937 | High | Fair |
| Richmond Brown County | 52 | 1935 | High | Poor |
| Ring Thunder Todd County | 33 | 1974 | High | Fair |
| Rod & Gun Lawrence County | 20 | — | High | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.