Morris Dam and Reservoir Post Fire Sediment Removal Project

Summary

SCH Number
2010061080
Lead Agency
Los Angeles County Flood Control District
Document Title
Morris Dam and Reservoir Post Fire Sediment Removal Project
Document Type
MND - Mitigated Negative Declaration
Received

Document Description
NOTE: Review Per Lead The proposed project is to remove 836,000 cy of post-fire debris from Morris Reservoir. The project will remove sediment deposited during the 2009-2010 winter storms. The sediment removal would be accomplished by dewatering the reservoir and then mechanically agitating the sediment into a low flow, sluicing channel. The sediment will then be flushed from the Morris Dam through the San Gabriel River to Santa Fe Dam. The proposed cleanout will remove one Design Debris Event, which will keep the reservoir in compliance with capacity standards required for both flood protection and water conservation needs of the communities below.

Contact Information
Tom Budinger
Los Angeles County Flood Control District
900 South Fremont Avenue
Alhambra, CA 91803-1331

626-458-5968

Location

Coordinates
34°10'31"N 117°52'49"W
Cities
Azusa
Counties
Los Angeles
Cross Streets
9500 North San Gabriel Canyon Rd, Azusa
Zip
91702
State Highways
Hwy 39
Waterways
San Gabriel River
Township
1N
Range
10W
Section
13

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (public work-sediment removal)
Local Action
Other Action Other Action: public work
Project Issues
Other Issues Cumulative Effects Landuse Wetland/Riparian Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Biological Resources Archaeologic-Historic Air Quality Aesthetic/Visual Other Issues: greenhouse gases
Reviewing Agencies
Department of Water Resources Native American Heritage Commission Cal Fire California Department of Parks and Recreation California Highway Patrol Caltrans, District 7 Department of Fish and Wildlife, Region 5 Department of Toxic Substances Control Office of Emergency Services, California Office of Historic Preservation Regional Water Quality Control Board, Region 4 Resources Agency
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