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 2151–2175 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Union Creek No. 5 Union County | 38 | 1978 | Low | Not Rated |
| Union Creek No 6 Union County | 39 | 1978 | Low | Not Rated |
| Union Creek No 9 Union County | 37 | 1978 | Low | Not Rated |
| Upper Deer Creek-Lake Hendricks Watershed (Udclh) 1-C Brookings County | 30 | 1970 | Low | Not Rated |
| Usa Perkins County | 16 | 1950 | Low | Not Rated |
| U S A Sully County | 26 | 1938 | Low | Not Rated |
| Us Gov`T Dam Butte County | 13 | 1945 | Low | Not Rated |
| Valburg #1 Jones County | 26 | 1976 | Low | Not Rated |
| Valburg #3 Mellette County | 25 | 1950 | Low | Not Rated |
| Valburg Roy No. 1 Mellette County | 25 | 1968 | Low | Not Rated |
| Van Collins #2 Mellette County | 16 | 1935 | Low | Not Rated |
| Van Collons No.1 Mellette County | 25 | 1964 | Low | Not Rated |
| V. Anders Perkins County | 17 | 1949 | Low | Not Rated |
| Velda Ramser Dam Lyman County | 21 | 1994 | Low | Not Rated |
| Vern Long Dewey County | 27 | 1971 | Low | Not Rated |
| Veryl Schroeder 1 Pennington County | 18 | 1955 | Low | Not Rated |
| Veryl Schroeder 2 Pennington County | 32 | 1967 | Low | Not Rated |
| Vesely No.1 Mellette County | 30 | 1966 | Low | Not Rated |
| Vesely No.2 Mellette County | 26 | 1966 | Low | Not Rated |
| Vessey Dam Harding County | 21 | 1935 | Low | Not Rated |
| V. Garrett Sully County | 25 | 1947 | Low | Not Rated |
| Viet No.1 Ziebach County | 30 | 1962 | Low | Not Rated |
| Viet No.2 Ziebach County | 29 | 1962 | Low | Not Rated |
| Vig Dt Dam Meade County | 20 | 1973 | Low | Not Rated |
| Vik Number 1 Jones County | 21 | 1959 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.