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 126–149 of 149
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Smith Ranch Dam Haakon County | 19 | 1953 | Significant | Not Rated |
| Smith Spreader Dam Harding County | 15 | 1948 | Significant | Not Rated |
| Sonnenschein Number 2 Stanley County | 42 | 1963 | Significant | Not Rated |
| Spring-Bull 1 Charles Mix County | 64 | 1973 | Significant | Not Rated |
| Spring-Bull 2c Charles Mix County | 54 | 1982 | Significant | Not Rated |
| Standing Rock Tribe Corson County | 21 | 1939 | Significant | Not Rated |
| Standing Rock Tribe Corson County | 22 | 1934 | Significant | Not Rated |
| Strawberry Lawrence County | 13 | 1936 | Significant | Not Rated |
| Streeter Dam Custer County | 22 | 1945 | Significant | Not Rated |
| Sturgis #2 Meade County | 30 | 1894 | Significant | Not Rated |
| Sturgis #4 Meade County | 37 | 1929 | Significant | Not Rated |
| Sturgis #5 Meade County | 44 | 1959 | Significant | Not Rated |
| Troy Lee Hunt Corson County | 21 | 1934 | Significant | Not Rated |
| Turgeon Dam Brule County | 26 | 1951 | Significant | Not Rated |
| T.W. Lyman Corson County | 19 | 1940 | Significant | Not Rated |
| Varilek Fishpond #1 Charles Mix County | 30 | 1970 | Significant | Not Rated |
| Vivian Dam Lyman County | 21 | 1938 | Significant | Not Rated |
| V. Miller No.2 Ziebach County | 18 | 1946 | Significant | Not Rated |
| Waggoner Haakon County | 27 | 1940 | Significant | Not Rated |
| Wanblee Lake Dam Jackson County | 17 | 1935 | Significant | Not Rated |
| Whidby Structure 20 Jackson County | 24 | 1966 | Significant | Not Rated |
| White Lake Dam Marshall County | 30 | 1933 | Significant | Not Rated |
| Wooledge Dam Buffalo County | 26 | 1947 | Significant | Not Rated |
| Zeke Allart Dam Perkins County | 22 | 1957 | Significant | Not Rated |
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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.