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 2226–2250 of 2,541
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Carr No.2 Mellette County | 27 | 1960 | Low | Not Rated |
| Carr No.1 Mellette County | 26 | 1963 | Low | Not Rated |
| Carr John Jr Number 3 Mellette County | 25 | 1967 | Low | Not Rated |
| Carr John Jr No.2 Mellette County | 27 | 1968 | Low | Not Rated |
| Carr John Jr. No. 1 Mellette County | 26 | 1961 | Low | Not Rated |
| Carr #6 Mellette County | 26 | 1957 | Low | Not Rated |
| Carr #5 Mellette County | 25 | 1957 | Low | Not Rated |
| Carr #5 Mellette County | 25 | 1955 | Low | Not Rated |
| Carr #4 Mellette County | 32 | 1957 | Low | Not Rated |
| Carpenter Dam Clark County | 12 | — | Low | Not Rated |
| Carmichael Ziebach County | 19 | 1959 | Low | Not Rated |
| Carlson Faulk County | 26 | 2009 | Low | Not Rated |
| Carl Lungren Dam No.1 Meade County | 22 | 1935 | Low | Not Rated |
| Carl Kannolt Dam Fall River County | 26 | 1960 | Low | Not Rated |
| Carl Humphrey Dam No.1 Meade County | 21 | 1966 | Low | Not Rated |
| Carl Hansen Stanley County | 24 | 1959 | Low | Not Rated |
| Carl Gunner No.1 Mellette County | 29 | 1960 | Low | Not Rated |
| Carl Cronin Potter County | 24 | 1949 | Low | Not Rated |
| Carl Albright Hughes County | 22 | 1956 | Low | Not Rated |
| Capitol Lake Dam Hughes County | 27 | 1921 | High | Fair |
| Canyon Lake Dam Pennington County | 31 | 1976 | High | Fair |
| Canton Dam No.1 Lincoln County | 27 | 1977 | Significant | Not Rated |
| Cannon Dam Lyman County | 13 | 2009 | Low | Not Rated |
| Canata East 302 Pennington County | 14 | 1938 | Low | Not Rated |
| Canal Dam Fall River County | 11 | 1952 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.