Minor Alteration No. WA2024036 – 2017 Storm Damage DWR Emergency Repairs (SDDER) - Site 91
13 Documents in Project
Summary
SCH Number
2019049138
Lead Agency
California Department of Water Resources
(DWR)
Document Title
Minor Alteration No. WA2024036 – 2017 Storm Damage DWR Emergency Repairs (SDDER) - Site 91
Document Type
NOD - Notice of Determination
Received
Posted
11/1/2024
Document Description
Approval of Minor Alteration No. WA2024030, under California Code of Regulations, Title 23, Article 3, Section 6, for work within an adopted plan of flood control: To repair bank erosion from the 2017 storms on the waterside slope of Yolo Bypass at Unit 1 levee mile 3.20, in Solano County. Repair activities as shown in the plans include clearing and grubbing, installation of a cofferdam, and excavation of the damaged areas to grade. An 8-foot-wide key will be excavated below the landside toe. After excavation, fill will be placed and compacted to construct the repaired slope. The fill will meet Title 23 requirements. Additional erosion control measures will be placed including a silt fence, turbidity curtain, hydroseeding, willow pole cuttings, and fiber rolls. The silt fence will be installed along the limits of work during construction to minimize sediment transport. A turbidity curtain will be used for all in-water work to limit downstream transport of sediment. The hydroseeding, willow pole cuttings, and fiber rolls will be installed upon completing the repair to minimize erosion after construction.
Contact Information
Name
Kristin Ford
Agency Name
Department of Water Resources
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Jordan Robbins
Agency Name
Central Valley Flood Protection Board
Job Title
Senior Environmental Scientist (Specialist)
Contact Types
Responsible Agency
Phone
Location
Coordinates
Cities
Unincorporated
Counties
Solano
Regions
Northern California
Other Location Info
The project is located on the waterside slope of Yolo Bypass at Unit 1 levee mile 3.20, in Solano County at the following GPS coordinates: 38°21'47.7"N 121°41'41.9"W.
Notice of Determination
Approving Agency
Central Valley Flood Protection Board
Approving Agency Role
Responsible Agency
Approved On
County Clerk
Solano
Final Environmental Document Available at
The Initial Study/Mitigated Negative Declaration (IS/MND) and Addendum to the IS/MND, prepared by the lead agency for the project, is available to the general public at the lead agency’s office listed above. The Board’s administrative record related to the encroachment permit is available for public review at the Board’s office.
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
Yes (Addendum to the IS/MND)
(3) Mitigated measures were made a condition of the approval of the project
No
(4) A mitigation reporting or monitoring plan was adopted for this project
No
(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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