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 1051–1075 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kirk Cordes Pennington County | 20 | 1945 | Low | Not Rated |
| Kirk Cordes Pennington County | 25 | 1950 | Low | Not Rated |
| Kirk Cordes Pennington County | 24 | 1953 | Low | Not Rated |
| K Lazy K Dam Hyde County | 14 | 2007 | Low | Not Rated |
| K Lazy K Ranch Hyde County | 15 | 1938 | Low | Not Rated |
| K Lazy K Ranch Hyde County | 12 | 1936 | Low | Not Rated |
| Klondike Dam Lincoln County | 7 | 1984 | Low | Not Rated |
| Knight Dam Buffalo County | 36 | 1951 | Low | Not Rated |
| Knox Number 1 Jones County | 27 | 1953 | Low | Not Rated |
| Knox Number 2 Jones County | 25 | 1954 | Low | Not Rated |
| Knox Number 2 Jones County | 26 | 1954 | Low | Not Rated |
| Koch Dam Buffalo County | 24 | 1934 | Low | Not Rated |
| Kolb Dam McPherson County | 9 | 1960 | Low | Not Rated |
| Kolb Dam Perkins County | 17 | 1975 | Low | Not Rated |
| Konrad Kjerstad Pennington County | 20 | 1954 | Low | Not Rated |
| Koskan Mellette County | 22 | 1956 | Low | Not Rated |
| Koster Dam Walworth County | 26 | 1971 | Low | Not Rated |
| Kraft Dam Edmunds County | 15 | 1939 | Low | Not Rated |
| Krein Dam McPherson County | 10 | 2001 | Low | Not Rated |
| Kriz Dam Roberts County | 26 | 1985 | Low | Not Rated |
| Krog Dam 1 Buffalo County | 25 | 1947 | Low | Not Rated |
| Krogman #1 Mellette County | 13 | 1935 | Low | Not Rated |
| Krogman #4 Mellette County | 29 | 1960 | Low | Not Rated |
| Krogman Dam Mellette County | 20 | 2000 | Low | Not Rated |
| Krogman Harold No.1 Mellette County | 27 | 1968 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.