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 1251–1275 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| K Lazy K Ranch Hyde County | 15 | 1938 | Low | Not Rated |
| K Lazy K Ranch Hyde County | 12 | 1936 | Low | Not Rated |
| K Lazy K Dam Hyde County | 14 | 2007 | Low | Not Rated |
| Kirk Cordes Pennington County | 20 | 1945 | Low | Not Rated |
| Kirk Cordes Pennington County | 23 | 1943 | Low | Not Rated |
| Kirk Cordes Pennington County | 25 | 1950 | Low | Not Rated |
| Kirk Cordes Pennington County | 24 | 1953 | Low | Not Rated |
| Kip Krull Dam #2 Hughes County | 27 | 1999 | Low | Not Rated |
| Kip Krull Dam Hughes County | 24 | 1995 | Low | Not Rated |
| King Number 1 Jones County | 25 | 1954 | Low | Not Rated |
| King Dam Tripp County | 25 | 1996 | Low | Not Rated |
| Kerstiens Dewey County | 15 | 1935 | Low | Not Rated |
| Kermit-Johnson-No.1 Perkins County | 30 | 1952 | Low | Not Rated |
| Kennebec Grazing Assoc. Dam Lyman County | 21 | — | Low | Not Rated |
| Kelly Escott Dam Perkins County | 24 | 1996 | Low | Not Rated |
| Kellogg 1 Meade County | 17 | 1940 | Low | Not Rated |
| Keith Hansen Perkins County | 20 | 1950 | Low | Not Rated |
| Keefe Dam Tripp County | 20 | 2003 | Low | Not Rated |
| K. Dorsey No.2 Ziebach County | 22 | 1950 | Low | Not Rated |
| K. Dorsey No.1 Ziebach County | 22 | 1966 | Low | Not Rated |
| K. Darland Sully County | 25 | 1938 | Low | Not Rated |
| Kaupp Hereford Ranch 2 Gregory County | 17 | 1959 | Low | Not Rated |
| Katzer McCook County | 27 | 1966 | Low | Not Rated |
| Kary #1 Mellette County | 13 | 1950 | Low | Not Rated |
| Karrels Dam Jackson County | 25 | 1995 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.