Pacoima Spreading Grounds Improvement Project

2 Documents in Project

Summary

SCH Number
2016011026
Lead Agency
Los Angeles County Flood Control District
Document Title
Pacoima Spreading Grounds Improvement Project
Document Type
MND - Mitigated Negative Declaration
Received

Document Description
Project involves improvements to existing facilities to increase water storage capacity from 530 af to 1,197 af; increase percolation rate from 65 cfs to 142 cfs; eliminate localize flooding; and improve efficiency of operations and maintenance. The improvements would include replacing the intake canal with underground pipeline; deepening and combining the basins to remove the underlying clay layer; and replacing interbasin and outlet structure. Approx 1.6 M cy of sediment would be excavated from the spreading basins; of this, approx 1.37 M cy would be exported to three gravel/sediment processing pits and one landfill. Sediment export would generate up to 239 round trips from 14-cy haul trucks or 186 round trips from 18-cy haul trucks per day, for approx 20 months beginning Fall 2019.

Contact Information
Ernesto Rivera
Los Angeles County Flood Control District
900 South Fremont Avenue, 11th floor
Alhambra, CA 91803

626-458-6110

Location

Coordinates
34°15'26"N 118°26'52"W
Cities
Los Angeles, City of Los Angeles
Counties
Los Angeles
Cross Streets
Arieta Avenue and Paxton Street
Zip
91331
Total Acres
169
State Highways
I-5, 405
Railways
Metrolink
Airports
Airport
Schools
Several
Waterways
Pacoima Wash
Base
San Fern

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Flood Control Facility Improvements)
Local Action
Other Action Other Action: Flood Control
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 Economics/Jobs Drainage/Absorption Biological Resources Archaeologic-Historic Air Quality Agricultural Land Other Issues: GHG
Reviewing Agencies
Department of Fish and Wildlife, Region 5 Cal Fire California Department of Parks and Recreation California Highway Patrol California Public Utilities Commission Caltrans, District 7 Caltrans, Division of Aeronautics Native American Heritage Commission Office of Emergency Services, California Office of Historic Preservation Regional Water Quality Control Board, Region 4 Resources Agency Resources, Recycling and Recovery State Lands Commission State Water Resources Control Board, Division of Drinking Water
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