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 1751–1775 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| School Land Dewey County | 15 | 1938 | Low | Not Rated |
| School Land Dewey County | 18 | 1939 | Low | Not Rated |
| School Land Dam Butte County | 30 | 1957 | Low | Not Rated |
| School Section No. 5 Haakon County | 40 | 1975 | Low | Not Rated |
| Schultz-Ringer Wpa Marshall County | 9 | 1993 | Low | Not Rated |
| Schumacher Dam Hughes County | 24 | 1992 | Low | Not Rated |
| Scoria Harding County | 27 | 1967 | Low | Not Rated |
| Scott Creek Watershed No. 11 Union County | 29 | 1955 | Low | Not Rated |
| Scott Creek Watershed No. 3 Union County | 27 | 1955 | Low | Not Rated |
| Scott Farm Clay County | 28 | 2009 | Low | Not Rated |
| Scull Dam Meade County | 15 | 2013 | Low | Not Rated |
| Sd Komes 1 Meade County | 14 | 1960 | Low | Not Rated |
| Sd Noname 1 Haakon County | 15 | 1950 | Low | Not Rated |
| Sd Noname 10 Pennington County | 18 | 1960 | Low | Not Rated |
| Sd Noname 100 Pennington County | 20 | 1965 | Low | Not Rated |
| Sd Noname 101 Haakon County | 19 | 1960 | Low | Not Rated |
| Sd Noname 102 Pennington County | 18 | 1938 | Low | Not Rated |
| Sd Noname 103 Haakon County | 14 | 1938 | Low | Not Rated |
| Sd Noname 104 Haakon County | 20 | 1953 | Low | Not Rated |
| Sd Noname 105 Pennington County | 21 | 1940 | Low | Not Rated |
| Sd Noname 106 Harding County | 12 | 1953 | Low | Not Rated |
| Sd Noname 107 Haakon County | 19 | 1949 | Low | Not Rated |
| Sd Noname 108 Pennington County | 15 | 1935 | Low | Not Rated |
| Sd Noname 11 Pennington County | 21 | 1938 | Low | Not Rated |
| Sd Noname 110 Pennington County | 19 | 1953 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.