Hansen Spreading Grounds Basin Improvements Project

2 Documents in Project

Summary

SCH Number
2007121053
Lead Agency
Los Angeles County
Document Title
Hansen Spreading Grounds Basin Improvements Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Los Angeles County Spreading Grounds/OS-1XL/Open Space

Document Description
The proposed project would consist of consolidating the existing 20 shallow recharge basins into 6 medium-depth recharge basins, which requires the removal of approximately one million cubic yards of sediment. The consolidated basins would occupy the same footprint as the existing basins. An existing concrete swale and rip-rap associated with a flow measuring station upstream of Glenoaks Boulevard, would be demolished and removed and a new trapezoidal partial flume channel would be constructed. Approximately one million cubic yards of sediment removed from the recharge basins would be removed from the site via one of two options; (1) the existing onsite sediment conveyor belt owned by Vulcan Materials Company; or (2) trucking to an offsite disposal site within two miles of the project site.

Contact Information
Wendy La
Los Angeles County Department of Public Works
Water Resources Division 900 South Fremont Street
Alhambra, CA 91803

Phone : (626) 458-6136

Location

Counties
Los Angeles
Cross Streets
Glenoaks Boulevard and Branford Street
Zip
91331
Total Acres
156
Parcel #
2537021900, 2537020900
State Highways
I-5, I-210, and CA-170
Railways
Metrolink
Airports
Whiteman
Schools
Haddon Avenue Elementary
Waterways
Tujunga Wash
Other Location Info
City/Nearest Community: Sun Valley

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (reconfiguration of existing spreading grounds layout)
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Flood Plain/Flooding Forest Land/Fire Hazard Geologic/Seismic Minerals Noise Population/Housing Balance Public Services Recreation/Parks Septic System Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Land Use Cumulative Effects
Reviewing Agencies
California Department of Conservation California Department of Fish and Wildlife, South Coast Region 5 California Department of Parks and Recreation California Department of Transportation, District 7 California Highway Patrol California Public Utilities Commission California Regional Water Quality Control Board, Los Angeles Region 4 California State Lands Commission Caltrans, Division of Aeronautics Department of Toxic Substances Control Department of Water Resources Office of Historic Preservation Resources Agency California Native American Heritage Commission

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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