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 126–149 of 149
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Draper Dam Jones County | 20 | 1939 | Significant | Not Rated |
| Dragest Dam Ziebach County | 32 | 1977 | Significant | Fair |
| Disseau Dam 2 Brule County | 25 | 1947 | Significant | Not Rated |
| Dave Peterson No.3 Jackson County | 15 | 1940 | Significant | Not Rated |
| Daly-Z Haakon County | 21 | 1954 | Significant | Not Rated |
| Crow Creek Buffalo County | 55 | 1939 | Significant | Poor |
| Cold Creek Dam Fall River County | 15 | 1943 | Significant | Not Rated |
| City of Murdo Number #1 Jones County | 42 | 1938 | Significant | Not Rated |
| Circle C No.2 Custer County | 30 | 1956 | Significant | Not Rated |
| Caylor Ranch Dam Fall River County | 12 | 1945 | Significant | Not Rated |
| Canton Dam No.1 Lincoln County | 27 | 1977 | Significant | Not Rated |
| Byre Dam Lyman County | 27 | 1940 | Significant | Not Rated |
| Buffalo Lake Road Dam 2 Meade County | 82 | 1961 | Significant | Not Rated |
| Buffalo Lake Road Dam 1 Ziebach County | 95 | 1961 | Significant | Not Rated |
| Browns Valley Diversion Dam Roberts County | 20 | 2010 | Significant | Not Rated |
| Brost Number 1 Jones County | 32 | 1959 | Significant | Not Rated |
| Brakke Dam Lyman County | 29 | 1937 | Significant | Not Rated |
| Bomb Range Dam Fall River County | 18 | 1951 | Significant | Not Rated |
| Bill Buress Corson County | 19 | 1945 | Significant | Not Rated |
| Berry Dam Mellette County | 50 | 1985 | Significant | Not Rated |
| Bernard Armstrong Haakon County | 26 | 1969 | Significant | Not Rated |
| Beal Stockwater Dam Buffalo County | 30 | 1949 | Significant | Not Rated |
| Bak #1 Mellette County | 59 | 1970 | Significant | Not Rated |
| Assam Minnehaha County | 30 | 1968 | Significant | Not Rated |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.