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 1–25 of 41
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Willow Creek Brown County | 49 | 1934 | High | Fair |
| Sylvan Lake Dam Custer County | 37 | 1906 | High | Fair |
| Stockade Lake Dam Custer County | 53 | 1930 | High | Fair |
| Standing Rock No. 1 Corson County | 39 | 1935 | High | Fair |
| South Okreek Todd County | 17 | 1935 | High | Fair |
| Rogers Dam Sully County | 21 | 2012 | Low | Fair |
| Ring Thunder Todd County | 33 | 1974 | High | Fair |
| Red Owl Meade County | 36 | 1937 | High | Fair |
| Red Dale Gulch Pennington County | 42 | 1959 | High | Fair |
| Parmelee Todd County | 36 | 1968 | High | Fair |
| Opal Dam Meade County | 22 | 1937 | High | Fair |
| Ole Lake Dam Kingsbury County | 8 | 1990 | Low | Fair |
| Mitchell Davison County | 55 | 1928 | High | Fair |
| Menno Dam Hutchinson County | 53 | 1935 | High | Fair |
| Little White River Dam Bennett County | 32 | 1938 | High | Fair |
| Legion Lake Dam Custer County | 38 | 1934 | High | Fair |
| Lake Wanalain Dam Brule County | 21 | 1936 | High | Fair |
| Lacreek Dam No. 7 Bennett County | 11 | 1934 | Low | Fair |
| Lacreek #10 Dam Bennett County | 14 | 1934 | Low | Fair |
| Kroetch Dam Haakon County | 18 | 1939 | High | Fair |
| Kjerstad No.1 Pennington County | 22 | 1960 | High | Fair |
| Kjerstad Dam No.3 Pennington County | 15 | 1943 | High | Fair |
| Jones Lake Dam Hand County | 21 | 1996 | High | Fair |
| Isabel Dewey County | 30 | 1935 | High | Fair |
| Howie Dam Meade County | 22 | 1949 | High | Fair |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.