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 1626–1650 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Reynolds Number 1 Jones County | 26 | 1960 | Low | Not Rated |
| Reynolds Number 2 Jones County | 25 | 1956 | Low | Not Rated |
| R. Fields No.1 Ziebach County | 14 | 1954 | Low | Not Rated |
| R. Fields No.2 Ziebach County | 18 | 1952 | Low | Not Rated |
| R. Fields No.4 Ziebach County | 21 | 1950 | Low | Not Rated |
| R. Fields No.5 Ziebach County | 18 | 1939 | Low | Not Rated |
| R.G. Goddard Sully County | 21 | 1946 | Low | Not Rated |
| R. Hampton No.1 Meade County | 16 | 1954 | Low | Not Rated |
| R. Hanson Dam Tripp County | 15 | 1975 | Low | Not Rated |
| R. Hepper Dewey County | 20 | 1970 | Low | Not Rated |
| R. Howie Meade County | 24 | 1972 | Low | Not Rated |
| R. Howie Meade County | 11 | 1946 | Low | Not Rated |
| Richard Cobb Corson County | 20 | 1950 | Low | Not Rated |
| Richardson Number 1 Jones County | 25 | 1964 | Low | Not Rated |
| Richardson Number 1 Jones County | 27 | 1953 | Low | Not Rated |
| Richard Waddell Corson County | 30 | 1948 | Low | Not Rated |
| Richard Waddell Corson County | 18 | 1955 | Low | Not Rated |
| Richard Walth Walworth County | 24 | 1952 | Low | Not Rated |
| Richard Williamson Meade County | 13 | 1953 | Low | Not Rated |
| Richard Wolff Perkins County | 17 | 1953 | Low | Not Rated |
| Richard Woll Perkins County | 19 | 1951 | Low | Not Rated |
| Richey Dam Tripp County | 19 | 1977 | Low | Not Rated |
| Richland (Nid) Jones County | 20 | 1938 | Low | Not Rated |
| Richmond Hill Lawrence County | 79 | 1988 | Low | Not Rated |
| Richtor Mellette County | 40 | 1938 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.