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 1001–1025 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Miller Dam Butte County | 19 | 2013 | Low | Not Rated |
| Miller Bros. Perkins County | 20 | 1958 | Low | Not Rated |
| Miller Bros. Perkins County | 21 | 1960 | Low | Not Rated |
| Miller Bros. Perkins County | 21 | 1957 | Low | Not Rated |
| Miller Bros. Perkins County | 19 | 1951 | Low | Not Rated |
| Milesville Dam Haakon County | 15 | 1938 | Low | Not Rated |
| Mikkelson Dam Marshall County | 23 | 2009 | Low | Not Rated |
| Mike Welder Dewey County | 25 | 1973 | Low | Not Rated |
| Midland Dam Haakon County | 25 | 1940 | Low | Not Rated |
| Mickelson Memorial Marsh South Dam Hamlin County | 8 | 1994 | Low | Not Rated |
| Mickelson Memorial Marsh North Dam Hamlin County | 8 | 1994 | Low | Not Rated |
| M. Hague Hyde County | 14 | 1948 | Low | Not Rated |
| M. Fisher Hand County | 25 | 1949 | Low | Not Rated |
| Merrill Karlen #2 Lyman County | 26 | 1958 | Low | Not Rated |
| Merrill Karlen #1 Lyman County | 28 | 1954 | Low | Not Rated |
| Merkwan Dam Charles Mix County | 35 | 1981 | Low | Not Rated |
| Merkel Dewey County | 18 | 1941 | Low | Not Rated |
| Mercer Number 1 Hughes County | 9 | 1950 | Low | Not Rated |
| Mensch Hutchinson County | 17 | 1955 | Low | Not Rated |
| Mendel Dam Hutchinson County | 36 | 1976 | Low | Not Rated |
| Medicine Knoll Gpa Dam Sully County | 23 | 2012 | Low | Not Rated |
| Medenwald Wpa Marshall County | 13 | 1989 | Low | Not Rated |
| Meat Hook No.1 Harding County | 17 | 1958 | Low | Not Rated |
| Mcquistion West Dam Stanley County | 28 | 2004 | Low | Not Rated |
| Mcquistion East Dam Stanley County | 21 | 2004 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.