South Fork Blackwater River Dam Lt-14, also known as T.J.
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Humidity
Slack Lake Dam, is a privately owned structure located in Boonville, Missouri. Built in 1981 by the USDA NRCS, this earth dam stands at a height of 25 feet and spans 520 feet in length. With a primary purpose of serving as a Fish and Wildlife Pond, it also aids in Grade Stabilization along the TR-Blackwater River.
This dam has a low hazard potential and a moderate risk assessment rating. Although it is not state-regulated or inspected, it plays a crucial role in the conservation of the surrounding area, providing a storage capacity of 62 acre-feet and covering a surface area of 9 acres. The structure's uncontrolled spillway, with a width of 18 feet, ensures the safe discharge of water during high flow events, contributing to the overall environmental health of the region.
While South Fork Blackwater River Dam Lt-14 may not be subject to regular inspections or have an Emergency Action Plan in place, its presence as a vital component of the local ecosystem highlights the importance of private investment in water resource management. As a key feature in the landscape of Johnson County, Missouri, this dam serves as a testament to the collaborative efforts between private owners and government agencies in safeguarding water resources for future generations.
Year Completed |
1981 |
Dam Length |
520 |
Dam Height |
25 |
River Or Stream |
TR-BLACKWATER RIVER |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
25 |
Drainage Area |
80 |
Nid Storage |
62 |
Structural Height |
27 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
27 |