Located in East Baton Rouge, Louisiana, the Lilly Bayou Control Structure is a federal-owned dam designed by the US Army Corps of Engineers to manage the flow of the Comite Diversion Channel.
Wind
Humidity
Completed in 2011, this concrete dam stands at a height of 86 feet and serves primarily for flood risk reduction purposes. With a storage capacity of 5800 acre-feet and a maximum discharge of 46500 cubic feet per second, the structure plays a crucial role in mitigating flood risks in the area.
The dam features an uncontrolled spillway with a width of 132 feet and flap outlet gates. It has a low hazard potential and is currently assessed to be in fair condition, with inspections conducted every 5 years. The surrounding area is regulated by the Louisiana Department of Transportation and Development, with state permitting, inspection, and enforcement in place. Despite moderate risk assessments, the Lilly Bayou Control Structure continues to effectively protect the region from potential flooding events.
With its strategic location, state-of-the-art design, and essential flood risk reduction functions, the Lilly Bayou Control Structure stands as a vital asset in safeguarding the East Baton Rouge community from the impacts of extreme weather events and ensuring the sustainable management of water resources in the region.
Year Completed |
2011 |
Dam Length |
308 |
Dam Height |
38 |
River Or Stream |
COMITE DIVERSION CHANNEL |
Primary Dam Type |
Concrete |
Hydraulic Height |
38 |
Drainage Area |
308 |
Nid Storage |
5800 |
Structural Height |
86 |
Outlet Gates |
Flap |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
86 |
Comite River Near Comite
|
2670cfs |
Mississippi River At Baton Rouge
|
184000cfs |
Comite River Near Olive Branch
|
65cfs |
Amite River Near Denham Springs
|
9750cfs |
Amite River Near Darlington
|
10100cfs |
Amite River At Port Vincent
|
8290cfs |