Poinsett Wid Site 109, located in Harrisburg, Arkansas, is a flood risk reduction structure designed and managed by the USDA NRCS.
Wind
Humidity
This earth dam, completed in 1979, stands at a height of 24 feet and spans 555 feet in length, with a storage capacity of 66 acre-feet. The dam, situated along Ditch #1 - TR in Poinsett County, serves the primary purpose of flood risk reduction and has a low hazard potential rating.
Despite not being state-regulated, Poinsett Wid Site 109 plays a crucial role in mitigating flood risks in the area, with a moderate risk assessment rating. The dam's uncontrolled spillway and outlet gates allow for controlled water release during high flow events, helping to protect surrounding areas from potential inundation. While the structure is not currently rated for condition assessment, it still serves as a significant asset in the local government's efforts to manage water resources and climate-related challenges.
As water resource and climate enthusiasts, it is important to recognize the importance of structures like Poinsett Wid Site 109 in safeguarding communities against flooding and water-related hazards. By understanding the design, purpose, and capabilities of such structures, we can better appreciate the efforts made to protect our environment and ensure the sustainable management of water resources in the face of changing climate patterns.
Year Completed |
1979 |
Dam Length |
555 |
Dam Height |
24 |
River Or Stream |
DITCH #1 - TR |
Primary Dam Type |
Earth |
Surface Area |
6.8 |
Drainage Area |
0.2 |
Nid Storage |
66 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Nid Height |
24 |
Cache River At Egypt
|
21cfs |
Languille River Near Colt
|
12cfs |
White River At Newport
|
11300cfs |
Black River At Elgin Ferry
|
3780cfs |
Black River At Black Rock
|
4290cfs |
Languille River At Palestine
|
11cfs |