Des Arc Bayou Wid Site 3, also known as Lake Barnett, is a state-owned recreational water resource located in Harmony, Arkansas.
Wind
Humidity
This site was designed by the USDA NRCS and is regulated by the Arkansas Natural Resources Commission (ANRC). The dam, completed in 1979, is an earth core type with a height of 128 feet and a length of 1150 feet, providing a storage capacity of 25425 acre-feet and a surface area of 245 acres.
With a drainage area of 38.6 square miles, Des Arc Bayou Wid Site 3 has a significant hazard potential but its risk assessment is moderate. The dam features an uncontrolled spillway and outlet gates, with a maximum discharge capacity of 850 cubic feet per second. Despite not being rated for condition assessment, the site undergoes regular state inspections and enforcement to ensure public safety and regulatory compliance. For water resource and climate enthusiasts, this site offers a fascinating example of state-managed water infrastructure in a picturesque natural setting.
Year Completed |
1979 |
Dam Length |
1150 |
Dam Height |
128 |
River Or Stream |
DES ARC BAYOU |
Primary Dam Type |
Earth |
Surface Area |
245 |
Drainage Area |
38.6 |
Nid Storage |
25425 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Significant |
Nid Height |
128 |
Little Red River Near Dewey
|
1340cfs |
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|
4cfs |
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|
10300cfs |
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|
10600cfs |
Bayou Meto Near Lonoke
|
102cfs |
Middle Fork Of Little Red River At Shirley
|
76cfs |