Wastewater Treatment Facility Outfall and Diffuser Project
6 Documents in Project
Summary
SCH Number
2022010175
Lead Agency
Yuba City
Document Title
Wastewater Treatment Facility Outfall and Diffuser Project
Document Type
NOD - Notice of Determination
Received
Posted
7/16/2026
Document Description
The State Water Resources Control Board (State Water Board) is funding the Project referred to internally as Wastewater Treatment Facility Outfall and Diffuser Project. The Project includes the following:
• Modifications to the existing effluent pumps at the wastewater treatment facility (WWTF) to accommodate the new, longer outfall pipeline and a new surge control system to be located just south of the existing WWTF effluent pump station,
• A bifurcation station and flow meter at the connection to the existing outfall pipeline to send and meter flows to the new outfall or to the disposal ponds,
• Approximately two miles of new outfall pipeline, beginning at the bifurcation station and ending at the new diffuser,
• A vacuum-assisted siphon priming system at the levee crossing, including vacuum primer building, priming valve vault, and primer trap structure,
• Diffuser structure consisting of 250 linear feet of new 36-inch diameter welded steel pipe buried within the Feather River, with sixteen 12-inch diameter risers with ports extending above the riverbed,
• An access ramp along the Feather River West Levee for use by the construction contractor and as a permanent access for the City,
• New power connections to the bifurcation station and vacuum-assisted siphon building, and
• Acquisition of easements to accommodate these project features on affected properties, as well as temporary construction easements.
PROJECT NUMBER: 8682-110
Contact Information
Name
Cedric Irving
Agency Name
State Water Resources Control Board
Job Title
Environmental Scientist
Contact Types
Responsible Agency
Phone
Name
Katherine Willis
Agency Name
Yuba City
Job Title
Environmental Compliance Manager
Contact Types
Lead/Public Agency
Phone
Email
Location
Cities
Unincorporated Sutter County, Yuba City
Counties
Sutter
Regions
Northern California, Unincorporated
Other Information
The Project is located in the southeastern portion of Yuba City, California and unincorporated Sutter County. The project begins in the open space just east of the Shanghai Bend subdivision extending south of Levee Road and crossing over existing farmland to Garden Highway. The project continues south on Garden Highway and crosses over private property into the Feather River.
Notice of Determination
Approving Agency
State Water Resources Control Board
Approving Agency Role
Responsible Agency
Approved On
County Clerk
Sutter
Final Environmental Document Available at
1001 I Street, 16th Floor, Sacramento, CA 95814
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
Notice of Determination
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