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 1851–1875 of 2,541
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Floyd Strong Meade County | 19 | 1950 | Low | Not Rated |
| Floyd Sletto Lyman County | 31 | 1972 | Low | Not Rated |
| Floyd Hall Perkins County | 22 | 1957 | Low | Not Rated |
| Floyd Cooper Harding County | 17 | 1954 | Low | Not Rated |
| Flat Creek Dam Perkins County | 35 | 1934 | Low | Not Rated |
| Flandreau Dam Moody County | 11 | — | Low | Not Rated |
| F. Joens Dewey County | 20 | 1940 | Low | Not Rated |
| Fite Dam Number 1 Charles Mix County | 30 | 1972 | Low | Not Rated |
| Fishko Dam #3 Fall River County | 23 | 1945 | Low | Not Rated |
| Fishko Dam #2 Fall River County | 28 | 1968 | Low | Not Rated |
| Fischer Dam Tripp County | 13 | 2001 | Low | Not Rated |
| Fischbach Meade County | 24 | 1973 | Low | Not Rated |
| Firesteel Gpa Dam Dewey County | 16 | 2010 | Low | Not Rated |
| Finley Dam Hughes County | 22 | 2005 | Low | Not Rated |
| Fiddle Creek (Nid) Fall River County | 26 | 1936 | Significant | Not Rated |
| Fho Ranch No.1 Jones County | 25 | 1977 | Low | Not Rated |
| F. Genzler Potter County | 30 | 1973 | Low | Not Rated |
| Ferguson Dam Haakon County | 29 | 1981 | Low | Not Rated |
| Ferguson #1 Haakon County | 20 | 1950 | Low | Not Rated |
| Ferdig Number 1 Jones County | 32 | 1959 | Low | Not Rated |
| Feltman Dam 1 Brule County | 27 | 1952 | Significant | Not Rated |
| Feltman Dam Brule County | 26 | 1949 | Significant | Not Rated |
| Feller Dam Hughes County | 19 | 1998 | Low | Not Rated |
| F. Curtis Dewey County | 24 | 1950 | Low | Not Rated |
| Faulkton Dam Faulk County | 39 | 1936 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.