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 26–50 of 86
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Deerfield Park Pennington County | 36 | 1981 | High | Fair |
| Durkee Meade County | 32 | 1938 | High | Fair |
| Elm Lake Dam Brown County | 52 | 1937 | High | Satisfactory |
| Farley Lake Dam Grant County | 15 | 1910 | High | Fair |
| Faulkton Dam Faulk County | 39 | 1936 | High | Fair |
| Fort Randall Dam Charles Mix County | 170 | 1954 | High | Not Available |
| Fourth Street Dam Hughes County | 43 | 1993 | High | Fair |
| Gardner Lake Dam Harding County | 32 | 1948 | High | Fair |
| Gavins Point Dam Cedar County | 74 | 1958 | High | Not Available |
| Ghost Hawk Todd County | 47 | 1975 | High | Unsatisfactory |
| Grizzly Gulch Tailings Dam Lawrence County | 380 | 1998 | High | Satisfactory |
| He Dog Todd County | 41 | 1936 | High | Satisfactory |
| Horsethief Lake Pennington County | 65 | 1940 | High | Not Rated |
| Howie Dam Meade County | 22 | 1949 | High | Fair |
| Indian Scout Todd County | 50 | 2010 | High | Satisfactory |
| Iron Cr Lake Lawrence County | 41 | 1937 | High | Not Rated |
| Isabel Dewey County | 30 | 1935 | High | Fair |
| Jones Lake Dam Hand County | 21 | 1996 | High | Fair |
| Kadoka (Nid) Jackson County | 28 | 1930 | High | Not Rated |
| King Dam No. 1 Haakon County | 30 | 1960 | High | Poor |
| King Dam No. 2 Haakon County | 18 | 1954 | High | Poor |
| Kjerstad Dam No. 2 Pennington County | 14 | 1941 | High | Poor |
| Kjerstad Dam No.3 Pennington County | 15 | 1943 | High | Fair |
| Kjerstad No.1 Pennington County | 22 | 1960 | High | Fair |
| Kroetch Dam Haakon County | 18 | 1939 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.