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 851–875 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hight Number 3 Jones County | 29 | 1963 | Low | Not Rated |
| Hight Number 4 Jones County | 38 | 1956 | Low | Not Rated |
| Hight Number 5 Jones County | 29 | 1948 | Low | Not Rated |
| Hilland Dam Haakon County | 20 | 1938 | Low | Not Rated |
| Hix #2 Jones County | 26 | 1959 | Low | Not Rated |
| Hix Number 1 Jones County | 33 | 1965 | Low | Not Rated |
| Hix Number 3 Jones County | 28 | 1955 | Low | Not Rated |
| H.J. Kerner No.1 Gregory County | 25 | 1968 | Low | Not Rated |
| H. Lesmeister Dewey County | 22 | 1937 | Low | Not Rated |
| Hofer Dam Hutchinson County | 25 | 1972 | Low | Not Rated |
| Hoffman Dam Pennington County | 20 | 1940 | Low | Not Rated |
| Hoffman Dam Tripp County | 14 | 2007 | Low | Not Rated |
| Hollingsworth-Shaffer Ranch Dam Stanley County | 29 | 2013 | Low | Not Rated |
| Holsti Dam Harding County | 15 | 1954 | Low | Not Rated |
| Homer Faeller Harding County | 14 | 1951 | Low | Not Rated |
| Hoover Dam Butte County | 16 | 1930 | Low | Not Rated |
| Horman Dam Butte County | 27 | 1969 | Low | Not Rated |
| Horstman #1 Mellette County | 23 | 1954 | Low | Not Rated |
| Horton Dam Roberts County | 16 | 1978 | Low | Not Rated |
| Horton Dam #2 Roberts County | 18 | 1976 | Low | Not Rated |
| Houck Dam Walworth County | 26 | 1980 | Low | Not Rated |
| Houghton Dam Brown County | 7 | 1938 | Low | Poor |
| Howard Capp Perkins County | 17 | 1952 | Low | Not Rated |
| Howard Capp Perkins County | 16 | 1951 | Low | Not Rated |
| Howard Capp Perkins County | 16 | 1952 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.