Area 7 Section 4, located in Jefferson County, Arkansas, is a Federal-owned earth dam designed by the US Army Corps of Engineers with a primary purpose of flood risk reduction along the tributary of the Arkansas River.
Wind
Humidity
Completed in 1988, this dam stands at a height of 27 feet and has a hydraulic height of 20 feet, providing a maximum storage capacity of 144 acre-feet and a normal storage of 72 acre-feet. With a controlled spillway width of 30 feet, the dam has a low hazard potential and a very high risk assessment rating.
Despite its age, the condition assessment of Area 7 Section 4 is currently listed as "Not Available", and the last inspection date was in July 2019. The dam is equipped with slide gates for outlet control and has an inspection frequency of 4 years. While an Emergency Action Plan (EAP) was prepared in the past, its last revision date was in 2007. Although the risk assessment indicates a very high risk level, specific risk management measures and a detailed risk characterization summary are not available at this time. Overall, Area 7 Section 4 serves as a crucial infrastructure for flood risk mitigation in the region, highlighting the importance of regular maintenance and monitoring to ensure its effectiveness and safety.
Year Completed |
1988 |
Dam Length |
432 |
Dam Height |
27 |
River Or Stream |
Trib Of Arkansas |
Primary Dam Type |
Earth |
Surface Area |
12 |
Hydraulic Height |
20 |
Drainage Area |
1 |
Nid Storage |
144 |
Structural Height |
27 |
Outlet Gates |
Slide (sluice gate) |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
27 |
Hurricane Creek Near Sheridan
|
33cfs |
Saline River Near Sheridan
|
2080cfs |
Bayou Meto Near Lonoke
|
102cfs |
Rock Creek At 36th Street At Little Rock
|
16cfs |
Saline River At Benton
|
189cfs |
Moro Creek Near Fordyce
|
1580cfs |
| Location | Reservations | Toilets |
|---|---|---|
Pine Bluff Aresenal Military
|
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Saracen Trace RV Park
|
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Tar Camp
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