Russell B.
Wind
Humidity
Long Lock and Dam, located in Powhatan, Louisiana, on the Red River, is a federal structure managed by the US Army Corps of Engineers. Completed in 1995 for the primary purpose of navigation, this gravity dam stands at 110 feet tall and spans 681 feet in length. With a hydraulic height of 58 feet, it boasts a controlled spillway width of 300 feet and a maximum discharge capacity of 227,400 cubic feet per second.
This significant dam, with a storage capacity of 70,500 acre-feet, serves multiple purposes, including navigation, recreation, and water supply. Its risk assessment is classified as very high, prompting the USACE to implement rigorous risk management measures to ensure the dam's structural integrity and address flood risks associated with severe weather events. Regular maintenance, monitoring, and emergency action planning are key strategies employed to mitigate potential hazards and safeguard the surrounding community.
As water resource and climate enthusiasts, the Russell B. Long Lock and Dam offers a fascinating glimpse into the intricate balance between water management, infrastructure, and environmental protection. With its strategic location on the Red River and crucial role in navigation and flood control, this federal structure exemplifies the careful planning and proactive measures needed to sustainably manage water resources in a changing climate.
Year Completed |
1995 |
Dam Length |
681 |
River Or Stream |
RED RIVER |
Primary Dam Type |
Gravity |
Surface Area |
7500 |
Length Of Locks |
685 |
Hydraulic Height |
58 |
Drainage Area |
63350 |
Nid Storage |
70500 |
Structural Height |
110 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
110 |
Bayou Pierre Near Lake End
|
187cfs |
Bayou San Patricio Near Benson
|
0cfs |
Saline Bayou Near Lucky
|
38cfs |
Dugdemona River Near Joyce
|
248cfs |
Bayou Grand Cane Near Stanley
|
5cfs |
Red Chute Bayou At Sligo
|
59cfs |