11Total Dams
4High Hazard
3Significant
Dam Safety in Lawrence County, South Dakota
Lawrence County has 11 dams tracked in the National Inventory of Dams. Of these, 4 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification.
The average dam in Lawrence County is 62 years old. The most common purpose is recreation. The tallest dam is Grizzly Gulch Tailings Dam at 380 ft.
Explore more: Oldest dams in South Dakota · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Grizzly Gulch Tailings Dam | High | Satisfactory | 380 | Tailings | 1998 |
| Iron Cr Lake | High | Not assessed | 41 | Recreation | 1937 |
| Dalton Lake | High | Not assessed | 24 | Recreation | 1974 |
| Rod & Gun | High | Not assessed | 20 | Recreation | |
| Roubaix Lake | Significant | Not assessed | 25 | Recreation | 1936 |
| Strawberry | Significant | Not assessed | 13 | Recreation | 1936 |
| Hanna | Significant | Not assessed | 12 | Recreation | |
| Richmond Hill | Low | Not assessed | 79 | Flood Risk Reduction | 1988 |
| Bh Rc&d Grade Structure Bh Ca-305.3-la | Low | Not assessed | 50 | Flood Risk Reduction | 1976 |
| Spearfish Valley Ranch | Low | Not assessed | 32 | Irrigation | 1968 |
| Glen Baker Dam | Low | Not assessed | 25 | Irrigation | 1962 |