Upper Tri-County Wid Site 15 is a flood risk reduction structure located in Lawrence County, Arkansas, along Piney Creek.
Wind
Humidity
Built in 1985 by the USDA NRCS, this earth dam stands at 29.5 feet high and spans 1085 feet in length. With a storage capacity of 653 acre-feet and a drainage area of 1.5 square miles, this dam plays a crucial role in mitigating flood risks in the region.
Managed by the local government and regulated by the Arkansas Natural Resources Commission, Upper Tri-County Wid Site 15 is inspected regularly to ensure its structural integrity and functionality. Despite its low hazard potential, the dam is considered to have a moderate risk level (3) according to the data provided. While the condition assessment is currently not rated, the dam has not required any emergency action plans or inundation maps to be prepared.
With its primary purpose being flood risk reduction, Upper Tri-County Wid Site 15 serves as a vital infrastructure for the community, protecting the surrounding areas from potential flooding events. As water resource and climate enthusiasts, understanding the design and functionality of such structures is essential in safeguarding our environment and communities from the impacts of extreme weather events.
Year Completed |
1985 |
Dam Length |
1085 |
Dam Height |
29.5 |
River Or Stream |
PINEY CREEK |
Primary Dam Type |
Earth |
Surface Area |
24 |
Hydraulic Height |
29.5 |
Drainage Area |
1.5 |
Nid Storage |
653 |
Structural Height |
39.3 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Nid Height |
39 |
Black River At Elgin Ferry
|
3780cfs |
Black River At Black Rock
|
4290cfs |
White River At Batesville
|
43800cfs |
White River At Newport
|
11300cfs |
Spring River At Imboden
|
558cfs |
Cache River At Egypt
|
21cfs |