Glendale Narrows Removal Project up for Comment

The U.S. Army Corps of Engineers has announced the availability of a draft Environmental Assessment for the Los Angeles River Channel at Glendale Narrows – Reach 5C and Reach 6A Accumulated Material Removal Project.

The proposed project entails removal of approximately 40,000 cubic yards of accumulated material (sediment, cobbles, and boulders) from Reach 5C and a portion of Reach 6A.

The Proposed Project Area is located in the Glendale Narrows section of the Los Angeles River within the vicinity of the Fletcher Drive Bridge and the Glendale Freeway Bridge in the City of Los Angeles, Los Angeles County.

The approximately 2,000 foot long Proposed Project Area starts downstream of the Fletcher Drive bridge and terminates approximately 900 feet downstream of the Glendale Freeway.

An engineering review of the Glendale Narrows section of the Los Angeles River in 2016 to assess the flood conveyance capacity identified Reach 5C and Reach 6A as critical areas where flood conveyance capacity has been reduced.

A bend in the river at Reach 5C and 6A has resulted in formation of a large sandbar against the left bank, reducing the conveyance capacity from the designed 78,000 cubic foot per second (cfs) to approximately 43,500 cfs. Removal of the accumulated material would partially restore the conveyance capacity to approximately 54,000 cfs.

The Corps of Engineers is soliciting comments from the public; federal, state, and local agencies and officials; and other interested parties in order to consider and evaluate the impacts of this proposed project. Comments will be accepted from January 24, 2018 to February 24, 2018.

 

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