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 1326–1350 of 2,541
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lacreek Dam No. 9 Bennett County | 12 | 1934 | Low | Poor |
| Lacreek Dam No. 8 Bennett County | 12 | 1934 | Low | Satisfactory |
| Lacreek Dam No. 7 Bennett County | 11 | 1934 | Low | Fair |
| Lacreek #10 Dam Bennett County | 14 | 1934 | Low | Fair |
| Labrecque Dam Brule County | 24 | 1946 | Significant | Not Rated |
| Labolt Lake Grant County | 25 | 1935 | Low | Not Rated |
| Kyle Oglala Lakota County | 37 | 1935 | High | Satisfactory |
| Kukuchka Dam Butte County | 17 | 1930 | Low | Not Rated |
| K. Sutton Sully County | 34 | 1972 | Low | Not Rated |
| K. Sutton Sully County | 35 | 1953 | Low | Not Rated |
| Krumm Dam Corson County | 37 | 1986 | Low | Not Rated |
| Krull Dam #2 Hughes County | 24 | 1995 | Low | Not Rated |
| Krull Dam Hughes County | 23 | 1994 | Low | Not Rated |
| Kroupa Dam Brule County | 27 | 1949 | Low | Not Rated |
| Krog Stockwater Dam Buffalo County | 29 | 1950 | Significant | Not Rated |
| Krogman No.6 Mellette County | 30 | 1956 | Low | Not Rated |
| Krogman No.5 Mellette County | 26 | 1954 | Low | Not Rated |
| Krogman No.4 Jones County | 30 | 1957 | Low | Not Rated |
| Krogman No. 2 Mellette County | 26 | 1962 | Low | Not Rated |
| Krogman No.1 Mellette County | 26 | 1963 | Low | Not Rated |
| Krogman No. 1 Mellette County | 27 | 1962 | Low | Not Rated |
| Krogman Louie No.3 Mellette County | 27 | 1968 | Low | Not Rated |
| Krogman Louie No.2 Mellette County | 28 | 1968 | Low | Not Rated |
| Krogman Louie No.1 Mellette County | 25 | 1968 | Low | Not Rated |
| Krogman Lawrence #3 Mellette County | 27 | 1968 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.