San Gabriel River Drop Structure Repair and Maintenance Project

2 Documents in Project


SCH Number
Lead Agency
U.S. Army Corps of Engineers
Document Title
San Gabriel River Drop Structure Repair and Maintenance Project
Document Type
EA - Environmental Assessment

Document Description
The purpose and need of the Proposed Action is to conduct routine maintenance and repair of the San Gabriel River drop structures 3,4,5,7,8,9, and 10 by removing broken concrete and installing protective overlay concrete. Repair and maintenance of the drop structures would be accomplished in phases. The complete timeframe for repair of all seven drop structures is anticipated to be 7 months (30 days per structure). However, this may be shortened if some repair phases occur simultaneously. Repair of the drop structures would begin after the rainy season in approximately January 2010 and last until August 2010.

Contact Information
John Madden
U.S. Army Corps of Engineers
915 Wilshire Boulevard
Los Angeles, CA 90017

(213) 452-3887


Los Angeles
Cross Streets
Fish Cyn Rd./Brookridge Rd
Parcel #
San Gabriel River
State Highways
Metro and UPR
Azusa & Duarte Elem
San Gabriel River

Notice of Completion

Review Period Start
Review Period End
Development Type
Water Facilities (River Type)
Project Issues
Other Issues Cumulative Effects Landuse Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Solid Waste Soil Erosion/Compaction/Grading Schools/Universities Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Forest Land/Fire Hazard Flood Plain/Flooding Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual
Reviewing Agencies
Department of Fish and Wildlife, Region 5 Caltrans, District 7 California Department of Parks and Recreation California Highway Patrol California Public Utilities Commission Department of Conservation Department of Water Resources Native American Heritage Commission Office of Historic Preservation Other Agency(ies) Regional Water Quality Control Board, Region 4 Resources Agency
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