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 149
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Duck Creek Dam No.2 Fall River County | 21 | 1955 | Significant | Not Rated |
| Duck Dam Harding County | 12 | 1940 | Significant | Not Rated |
| Dusseau Dam Brule County | 26 | 1947 | Significant | Not Rated |
| Eureka Lake McPherson County | 15 | 1962 | Significant | Not Rated |
| Feltman Dam Brule County | 26 | 1949 | Significant | Not Rated |
| Feltman Dam 1 Brule County | 27 | 1952 | Significant | Not Rated |
| Fiddle Creek (Nid) Fall River County | 26 | 1936 | Significant | Not Rated |
| Fryer Dam Marshall County | 28 | 1981 | Significant | Not Rated |
| Goc Number 1 Hughes County | 17 | 1952 | Significant | Not Rated |
| Gregorson No.1 Custer County | 34 | 1973 | Significant | Not Rated |
| Gruenig Dam Brule County | 20 | 1952 | Significant | Not Rated |
| Gustaue Aman Corson County | 14 | 1938 | Significant | Not Rated |
| Hale 1 Meade County | 13 | 1940 | Significant | Not Rated |
| Hanna Lawrence County | 12 | — | Significant | Not Rated |
| Hanson Pond Brown County | 15 | 1910 | Significant | Not Rated |
| Haskins Number 1 Stanley County | 17 | 1935 | Significant | Not Rated |
| Hayes Stockwater Dam Buffalo County | 30 | 1949 | Significant | Not Rated |
| Henderson House Dam Fall River County | 20 | 1928 | Significant | Not Rated |
| Henry Bon Homme County | 45 | 1938 | Significant | Not Rated |
| Henry Holwenger Corson County | 19 | 1940 | Significant | Not Rated |
| Herbert Stoick Corson County | 22 | 1910 | Significant | Not Rated |
| H. Freeze Meade County | 14 | 1938 | Significant | Not Rated |
| Highway 44 Mellette County | 50 | 1973 | Significant | Not Rated |
| Highway 44 #4 Mellette County | 53 | 1970 | Significant | Not Rated |
| Highway 44 #6 Mellette County | 102 | 1973 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.