20Total Dams
1High Hazard
2Significant
Dam Safety in Gregory County, South Dakota
Gregory County has 20 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in Gregory County is 61 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Randall Rc&d Ca-176-gr at 69 ft.
Explore more: Oldest dams in South Dakota · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Ponca Right Dike | High | Satisfactory | 15 | Flood Risk Reduction | 1994 |
| Robertson No. 1 | Significant | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1975 |
| Kaupp Hereford Ranch 1 | Significant | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Randall Rc&d Ca-176-gr | Low | Not assessed | 69 | Grade Stabilization | 1976 |
| Logan Thoene No.1 | Low | Not assessed | 63 | Irrigation | 1975 |
| Waterbury Dam | Low | Not assessed | 60 | Fire Protection, Stock, Or Small Fish Pond | 1976 |
| Eide No.3 | Low | Not assessed | 43 | Fire Protection, Stock, Or Small Fish Pond | 1975 |
| Oscar Micheaux Dam | Low | Not assessed | 40 | Irrigation | 1974 |
| Eide No. 1 | Low | Not assessed | 37 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Leonard Ziesier No.1 | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Fairfax Lake | Low | Not assessed | 28 | Recreation | 1934 |
| Baker Dam | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Burke | Low | Not assessed | 25 | Recreation | 1936 |
| H.j. Kerner No.1 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Star Lake Dam | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1934 |
| Steffen Dam | Low | Not assessed | 24 | Fish and Wildlife Pond | 2007 |
| Lake Berry Dam | Low | Not assessed | 21 | Recreation | 1940 |
| Herrick Lake | Low | Not assessed | 20 | Recreation | 1937 |
| Kaupp Hereford Ranch 2 | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1959 |
| Bonesteel Lake | Low | Not assessed | 15 | Recreation | 1935 |