Headworks Flow Control Station

11 Documents in Project

Summary

SCH Number
2004081151
Lead Agency
Los Angeles Department of Water and Power
Document Title
Headworks Flow Control Station
Document Type
NOD - Notice of Determination
Received
Posted
5/4/2022
Document Description
The State Water Resources Control Board (State Water Board) is a Responsible Agency for the Project. The State Water Board’s Drinking Water State Revolving Fund (SRF) Program is financing the Project. The Project (which is a component of the Lower Reach River Supply Conduit (RSC) Project) includes construction of the western segment of RSC Unit 1A, where a new flow control station will be located. The western segment of Unit 1A will join the previously installed eastern segment of Unit 1A, southwest of Headworks Reservoir East, and extend westerly to join the future Upper Reach RSC Unit 7 at the western end of the Headworks property. The western segment of Unit 1A will be located within a proposed 20-foot-wide paved internal access road, approximately 100 feet north of the Headworks property southern boundary fence, and consist of approximately 2,000-feet of 78-inch diameter pipeline installed via open trench construction methods. The flow control station will be built underground inside a vault, with approximate dimensions of 45-feet by 25-feet, within the Headworks Spreading Grounds site. This station will consist of approximately five smaller pipe legs (two 30-inch and three 20-inch legs). Each pipeline will have a control valve, which would be operated as necessary to maintain the pressure requirements downstream within the Lower Reach RSC pipeline. The proposed location of the station is at the site of an existing paved construction administration area in the western part of the Headworks property.

Contact Information

Name
Gabriel Edwards
Agency Name
State Water Resources Control Board
Job Title
Environmental Scientist
Contact Types
Responsible Agency

Location

Cities
Los Angeles
Counties
Los Angeles
Regions
Citywide
Cross Streets
Forest Lawn Drive and Zoo Drive
Zip
90068
Waterways
Los Angeles River

Notice of Determination

Approving Agency
State Water Resources Control Board
Approving Agency Role
Responsible Agency
Approved On
County Clerk
Los Angeles
Final Environmental Document Available at
111 North Hope Street Los Angeles, CA 90012

Determinations

(1) The project will have a significant impact on the environment
Yes
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
Yes
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(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
Yes
(6) Findings were made pursuant to the provisions of CEQA
Yes

Attachments

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