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 1976–2000 of 2,306
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| C.J. Larson No.1 Dewey County | 22 | 1945 | Low | Not Rated |
| C. Iverson Potter County | 33 | 1947 | Low | Not Rated |
| City of Murdo Number #2 Jones County | 31 | 1920 | Low | Not Rated |
| Circle Eagle Ziebach County | 20 | 1939 | Low | Not Rated |
| Circle C No.1 Custer County | 18 | 1951 | Low | Not Rated |
| Circle Bar Ranch Dam Grant County | 20 | 2013 | Low | Not Rated |
| Christ Orwick Meade County | 18 | 1958 | Low | Not Rated |
| Christ Orwick Perkins County | 23 | 1958 | Low | Not Rated |
| Christ Orwick Meade County | 22 | 1953 | Low | Not Rated |
| Christensen Dam Lyman County | 35 | 1968 | Low | Not Rated |
| Christensen Dam Lyman County | 15 | — | Low | Not Rated |
| Christensen Dam Lincoln County | 22 | 1987 | Low | Not Rated |
| Chris Mehloff Corson County | 26 | 1950 | Low | Not Rated |
| Chmela Dam Buffalo County | 28 | 1952 | Low | Not Rated |
| Chisholm Number 1 Stanley County | 27 | 1967 | Low | Not Rated |
| Chief Dam Oglala Lakota County | 26 | 1960 | Low | Not Rated |
| Chester Dam Campbell County | 27 | 1938 | Low | Not Rated |
| Charlie Waters Dam Fall River County | 16 | 1918 | Low | Not Rated |
| Charles Weiss Meade County | 15 | 1950 | Low | Not Rated |
| Charles Weiss Meade County | 21 | 1951 | Low | Not Rated |
| Charles Weiss Meade County | 17 | 1953 | Low | Not Rated |
| Charles Hyde Hughes County | 10 | 1958 | Low | Not Rated |
| Charles Heller Tripp County | 26 | 1964 | Low | Not Rated |
| Charles Frazier Stanley County | 25 | 1954 | Low | Not Rated |
| Chapman Dam Perkins County | 20 | 1965 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.