Grizzly Slough Floodplain Restoration Project at the Cosumnes River Preserve
Summary
SCH Number
2019019010
Lead Agency
California Department of Water Resources
(DWR)
Document Title
Grizzly Slough Floodplain Restoration Project at the Cosumnes River Preserve
Document Type
NOD - Notice of Determination
Received
Posted
1/28/2019
Document Description
The project will restore natural flooding to the 489 acres site by breaching the levee on Grizzly Slough. A channel network will be excavated from the breach. A new setback levee will be constructed along the south property boundary to provide equivalent flood protection pre- and post- project. The levee will include flap-gated drainage culverts to allow one-way drainage from south to north (in the downstream direction). Hydrologic modeling indicates the restored areas will experience winter flooding every 2-5 years, suitable for riparian recruitment. The channels will be graded to maintain tidal flows year-round, with no floodplain ponding that could strand salmonids. Native...
Contact Information
Name
Aaron Haim
Agency Name
Sacramento-San Joaquin Delta Conserv
Contact Types
Lead/Public Agency
Phone
Location
Counties
Sacramento
Other Location Info
New Hope Road
Notice of Determination
Approving Agency
Sacramento-San Joaquin Delta Conservancy
Approving Agency Role
Responsible Agency
Approved On
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
N/A
(5) A Statement of Overriding Considerations was adopted for this project
Yes
(6) Findings were made pursuant to the provisions of CEQA
Yes
Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.