Gravity Pipeline Project

6 Documents in Project


SCH Number
Lead Agency
Silicon Valley Clean Water (SVCW)
Document Title
Gravity Pipeline Project
Document Type
NOD - Notice of Determination
Document Description
The Project includes 17,600 linear feet of new 11-foot diameter gravity pipeline that will be placed within a 16-foot outer diameter, concrete, segmental lined tunnel. The new pipeline will connect the existing 48-inch force main on Inner Bair Island to the wastewater treatment plant. The new pipeline will replace the existing 48-inch and 54-inch diameter reinforced concrete pipe force mains that are in poor condition. The Project includes two 40-ft deep shafts at the Bair Island location and the San Carlos Pump Station site with pipeline installed to connect these points to the new 11-foot diameter gravity pipeline.

Contact Information

Cedric Irving
Agency Name
State Water Resources Control Board
Contact Types
Responsible Agency


San Carlos
San Mateo
Other Information
The regional wastewater treatment plant (WWTP) is located at the eastern end of Redwood Shores at 1400 Radio Road, Redwood City, California and related wastewater pumping and transmission facilities are located in the City of San Carlos and Bair Island area within San Mateo County.

Notice of Determination

Approving Agency
State Water Resources Control Board
Approving Agency Role
Responsible Agency
Approved On
County Clerk
San Mateo
Final Environmental Document Available at
1001 I Street, Sacramento, CA 95814


(1) The project will have a significant impact on the environment
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
(3) Mitigated measures were made a condition of the approval of the project
(4) A mitigation reporting or monitoring plan was adopted for this project
(5) A Statement of Overriding Considerations was adopted for this project
(6) Findings were made pursuant to the provisions of CEQA


Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

Download CSV New Search Print