Grizzly Slough Floodplain Restoration Project at the Cosumnes River Preserve

Summary

SCH Number
2019019010
Lead Agency
Water Resources, Department of (California Department of Water Resources)
Document Title
Grizzly Slough Floodplain Restoration Project at the Cosumnes River Preserve
Document Type
NOD - Notice of Determination
Received

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
Aaron Haim
Sacramento-San Joaquin Delta Conserv
1450 Halyard Dr.
West Sac, CA 95691

916.376.4023

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
Final EIR Available Location
600 8th St, Sacramento, CA 95814

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 Negative Declaration 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 Statement of Overriding Considerations was adopted for this project
Yes
(5) Findings were made pursuant to the provisions of CEQA
Yes
Download CSV New Search