In-Situ Arsenic Removal on Unsaturated Alluvium

Summary

SCH Number
2010021052
Lead Agency
Los Angeles County
Document Title
In-Situ Arsenic Removal on Unsaturated Alluvium
Document Type
NEG - Negative Declaration
Received
Present Land Use
A-2-5

Document Description
The purpose of this project is to determine the effectiveness and sustainability od naturally occurring alumina, iron, and manganese oxides in the unsaturated zone to treat high-arsenic water. Results of the study will be used to develop a methodology to transfer the technique to areas having high-arsenic water. Water containing arsenic concentrationof about 30 ug/L will be pumped from deeper aquifers and infiltrated into a one acre pond. Arsenic in the infiltrated water is expected to be sorbed on naturally occurring alumina and iron oxides in soil and water will recharge the shallow aquifer having arsenic concentrations of about 1 ug/L.

Contact Information
Clark Aiwani
Los Angeles County Public Works-Waterways
P.O. Box 1460
Los Angeles, CA 91802

Phone : (626) 300-4687

Location

Coordinates
34°47'50.7"N 118°24'19.0"W
Counties
Los Angeles
Cross Streets
Avenue B-8 and 155th Street West
Zip
93560
Total Acres
1
Parcel #
3258010900
State Highways
138
Railways
No
Airports
No
Schools
No
Waterways
No
Township
8N
Range
14W
Section
7
Other Location Info
CityNearest Community: Willow Springs

Notice of Completion

Review Period Start
Review Period End
Development Type
Educational (feasibility study) Water Facilities (infil. pond Type, 1 max/0.5 avg MGD)
Local Action
Other Action Other Action: feasibility study
Project Issues
Water Quality Water Supply
Reviewing Agencies
California Department of Fish and Wildlife, South Coast Region 5 California Department of Health Care Services California Department of Parks and Recreation California Department of Transportation, District 7 California Highway Patrol California Native American Heritage Commission Department of Toxic Substances Control Department of Water Resources Office of Emergency Services, California Resources Agency Resources, Recycling and Recovery State Water Resources Control Board, Division of Water Rights California Regional Water Quality Control Board, Lahontan Victorville Region 6

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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