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Department of Public Works
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Sediment Management

Cogswell Dam
Location Angeles National Forest along the west fork of the San Gabriel River and off of Devil's Canyon Dam Truck Trail. (Thomas Guide Page 508, A5)
Fire Event(s)* 2009 Station Fire
Watershed Burned 90%
Amount of Sediment to be Removed 3,331,000 Cubic yards
Removal Method TBD
Disposal Location Cogswell Sediment Placement Site (adjacent to site)
Required Permits U.S. Army Corps of Engineers
California Dept. of Fish and Game
Regional Water Quality Control Board
U.S. Forest Service
Environmental Documents Preparation of an Initial Study for the proposed project will begin upon completion of the detailed project description
Community Meeting Dates TBD
*Heavy sedimentation is expected for the five years following the fire event.
For more information on this project please contact:
Updated on: 04/18/2012
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