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 626–650 of 2,541
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| England #3 Mellette County | 23 | 1936 | Low | Not Rated |
| England #4 Mellette County | 28 | 1935 | Low | Not Rated |
| England #4 Mellette County | 23 | 1936 | Low | Not Rated |
| England #5 Mellette County | 18 | 1936 | Low | Not Rated |
| England #5 Mellette County | 18 | 1936 | Low | Not Rated |
| England #6 Mellette County | 20 | 1934 | Low | Not Rated |
| England #6 Mellette County | 18 | 1936 | Low | Not Rated |
| England #6 Mellette County | 22 | 1934 | Low | Not Rated |
| England Bros. Number 1 Mellette County | 26 | 1964 | Low | Not Rated |
| England No.2 Mellette County | 29 | 1936 | Low | Not Rated |
| England No.3 Mellette County | 29 | 1936 | Low | Not Rated |
| Englebrecht Dam Custer County | 18 | 1945 | Low | Not Rated |
| Englund Dam Roberts County | 16 | 1977 | Low | Not Rated |
| Ernest Kolb Perkins County | 18 | 1958 | Low | Not Rated |
| Ernest Kolb Perkins County | 15 | 1949 | Low | Not Rated |
| Ernest Nemec Number 1 Stanley County | 18 | 1959 | Low | Not Rated |
| Eros Data Center Dam Minnehaha County | 31 | 1972 | Low | Not Rated |
| Ervin Wolff Perkins County | 19 | 1972 | Low | Not Rated |
| Erwin Eisenbraun Pennington County | 16 | 1948 | Low | Not Rated |
| Escott Bros. Perkins County | 28 | 1959 | Low | Not Rated |
| Esmay and Sandy #1 Jones County | 27 | 1956 | Low | Not Rated |
| Esmay and Sandy #2 Jones County | 27 | 1962 | Low | Not Rated |
| Esmay and Sandy #3 Jones County | 32 | 1971 | Low | Not Rated |
| Estabrook Dam Aurora County | 18 | 1976 | Low | Not Rated |
| Ethan Hanson County | 15 | 1936 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.