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 76–100 of 2,541
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Assam Minnehaha County | 30 | 1968 | Significant | Not Rated |
| Astleford No. 1 Mellette County | 29 | 1963 | Low | Not Rated |
| Astleford No. 1 Mellette County | 27 | 1965 | Low | Not Rated |
| Astleford No.2 Mellette County | 26 | 1966 | Low | Not Rated |
| Astleford No.3 Mellette County | 25 | 1936 | Low | Not Rated |
| Atkinson No.1 Mellette County | 28 | 1969 | Low | Not Rated |
| A.W. Spiry Walworth County | 26 | 1953 | Low | Not Rated |
| A.W. Spiry Walworth County | 25 | 1956 | Low | Not Rated |
| Bachelor No. 1 Mellette County | 26 | 1971 | Low | Not Rated |
| Bad River Cattle Co. #1 Stanley County | 27 | 1963 | Low | Not Rated |
| Bad River Cattle Co. #2 Stanley County | 27 | 1960 | Low | Not Rated |
| Bailey Dam Brule County | 26 | 1947 | Low | Not Rated |
| Bailey Pond No.1 Fall River County | 23 | 1969 | Low | Not Rated |
| Bak #1 Mellette County | 59 | 1970 | Significant | Not Rated |
| Baker Dam Gregory County | 27 | 1979 | Low | Not Rated |
| Baker Number 1 Jones County | 34 | 1963 | Low | Not Rated |
| Baker Number 1 Jones County | 28 | 1957 | Low | Not Rated |
| Baker Number 2 Jones County | 28 | 1959 | Low | Not Rated |
| Baker Number 2 Jones County | 30 | 1962 | Low | Not Rated |
| Baker Number 3 Jones County | 25 | 1960 | Low | Not Rated |
| Baker Number 3 Jones County | 41 | 1960 | Low | Not Rated |
| Baker Number 4 Jones County | 31 | 1957 | Low | Not Rated |
| Bakers Gulch Dam Sully County | 39 | 1981 | Low | Not Rated |
| Bancroft Kingsbury County | 20 | 1939 | Low | Not Rated |
| Banek #1 Mellette County | 27 | 1955 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.