Bentonia Watershed Structure 8 Dam, also known as Thompson's Lake, is a local government-owned structure located in Yazoo County, Mississippi.
Wind
Humidity
Designed by USDA NRCS and completed in 1964, this earth dam with a height of 28 feet serves primarily for flood risk reduction along the TR-Bluff Creek. With a storage capacity of 796 acre-feet, the dam is regulated by the Mississippi Department of Environmental Quality and falls under a low hazard potential classification.
Despite not having a rated condition assessment, Bentonia Watershed Structure 8 Dam is considered to have a moderate risk level (3). The dam features an uncontrolled spillway with no outlet gates, and it has not been modified in recent years. While the emergency action plan status and risk management measures are not specified, the structure is subject to state inspection, enforcement, and regulatory oversight to ensure its integrity and safety. This dam serves as a vital component in mitigating flood risks in the region, showcasing the importance of water resource management and climate resilience efforts in safeguarding communities against natural disasters.
Year Completed |
1964 |
Dam Height |
28 |
River Or Stream |
TR- BLUFF CREEK |
Primary Dam Type |
Earth |
Drainage Area |
1.71 |
Nid Storage |
796 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Big Black River Nr Bentonia
|
392cfs |
Hanging Moss Creek Nr Jackson
|
356cfs |
Lynch Creek At Jackson
|
1100cfs |
Pearl River At Jackson
|
362cfs |
Big Black River Nr Bovina
|
520cfs |
Harland Creek Nr Howard
|
3340cfs |