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 751–775 of 2,541
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| R. Fields No.4 Ziebach County | 21 | 1950 | Low | Not Rated |
| R. Fields No.2 Ziebach County | 18 | 1952 | Low | Not Rated |
| R. Fields No.1 Ziebach County | 14 | 1954 | Low | Not Rated |
| Reynolds Number 2 Jones County | 25 | 1956 | Low | Not Rated |
| Reynolds Number 1 Jones County | 26 | 1960 | Low | Not Rated |
| Reno Petersen Wetland Moody County | 8 | 2002 | Low | Not Rated |
| Remele Dam Marshall County | 23 | 2007 | Low | Not Rated |
| Reliance Dam Lyman County | 16 | 1935 | Significant | Not Rated |
| Reinicke Dam Kingsbury County | 10 | 2002 | Low | Not Rated |
| Reeves Cattle Co. No.2 Meade County | 16 | 1956 | Low | Not Rated |
| Reeves Cattle Co. No.1 Meade County | 14 | 1960 | Low | Not Rated |
| Reese Williams Haakon County | 18 | 1955 | Low | Not Rated |
| Red Owl Meade County | 36 | 1937 | High | Fair |
| Redfield Lake Spink County | 30 | 1939 | High | Poor |
| Red Earth Grazing Assn. Dewey County | 25 | 1946 | Low | Not Rated |
| Red Dale Gulch Pennington County | 42 | 1959 | High | Fair |
| Rebuild No.1 Harding County | 19 | 1948 | Low | Not Rated |
| Reaser Stock Dam Fall River County | 12 | 1945 | Low | Not Rated |
| R. Compton Meade County | 22 | 1962 | Low | Not Rated |
| R. Clark No.3 Dewey County | 11 | 1948 | Low | Not Rated |
| R. Clark No.2 Dewey County | 12 | 1947 | Low | Not Rated |
| R. Clark No.1 Dewey County | 19 | 1946 | Low | Not Rated |
| R. Bierman No.2 Ziebach County | 22 | 1958 | Low | Not Rated |
| R. Bierman Ziebach County | 17 | 1948 | Low | Not Rated |
| R. Berndt Dewey County | 30 | 1940 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.