Whittier Narrows Operable Unit Treatment for Drinking Water End Use Project

2 Documents in Project

Summary

SCH Number
2020089015
Lead Agency
Department of Toxic Substances Control
Document Title
Whittier Narrows Operable Unit Treatment for Drinking Water End Use Project
Document Type
NOD - Notice of Determination
Received
Posted
12/28/2020
Present Land Use
Road Right of Way/Heavy Industrial/Open Space and Recreation and Wildlife Preserve and Sanctuary
Document Description
The project would construct a new 7,265-foot-long blend water supply pipeline, a new 20-foot-long blended water pipeline connection to the existing 30-inch San Gabriel Valley Water Company (San Gabriel) pipeline on Durfee Avenue, and a new off-site booster station (Plant B28 Booster Station). The implementation of the proposed project would provide additional water for blending with groundwater produced from the existing WNOU extraction wells, as well as boosting capacity to deliver this blended water to San Gabriel for distribution to its customers. The purpose of the proposed project is to increase the pumping rate of the existing groundwater extraction wells to contain groundwater contamination within the Main San Gabriel Basin. The project would increase the capture of the contaminants and prevent further migration into the adjoining Los Angeles Central Groundwater Basin (Central Basin) and help protect nearby municipal water supply wells.

Contact Information

Name
Ajit Vaidya
Agency Name
Department of Toxic Substances Control
Contact Types
Lead/Public Agency

Name
Agency Name
Department of Toxic Substances Control
Contact Types
Project Applicant

Location

Cities
South El Monte
Counties
Los Angeles
Cross Streets
331 Durfee Avenue
Zip
91733
Parcel #
Multiple APN's
State Highways
SR 60
Schools
South El Monte HS
Waterways
Legg Lake

Notice of Determination

Approving Agency
Department of Toxic Substances Control
Approving Agency Role
Lead Agency
Approved On

Determinations

(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
Yes
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes

Attachments

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