Delta Dams Rodent Burrow Remediation Project (Streambed Alteration Agreement No. EPIMS-CCA- 20280-R3)

6 Documents in Project

Summary

SCH Number
2021120060
Lead Agency
California Department of Water Resources (DWR)
Document Title
Delta Dams Rodent Burrow Remediation Project (Streambed Alteration Agreement No. EPIMS-CCA- 20280-R3)
Document Type
NOD - Notice of Determination
Received
Posted
10/28/2022
Document Description
The Applicant owns and operates the Clifton Court Forebay facility for the State Water Project. The Clifton Court Forebay is subject to rodent burrowing that can cause internal erosion which could lead to dam failure. To prevent dam failure, the Applicant proposes to remediate burrows by using a combination of the following methods collapsing and backfilling rodent burrows, filling rodent burrows with a cementitious-soil slurry, installation of PVC coated steel wire mesh and rock armoring to prevent rodents from burrowing into the downstream slope of the dam in the future.

Contact Information

Name
Monica Oey
Agency Name
CDFW
Job Title
Senior Environmental Scientist
Contact Types
Responsible Agency

Location

Cities
Unincorporated area
Counties
Contra Costa
Regions
Northern California, San Francisco Bay Area
Other Location Info
The project is located at Clifton Court Forebay, in unincorporated Contra Costa County, State of California; Latitude 37.839918, Longitude -121.57590; Assessor’s Parcel Number 001-041-040, 001-041-041, 001- 081-028, 001-091-005, 001-101-007, and 002-240-XXX.

Notice of Determination

Approving Agency
CDFW
Approving Agency Role
Responsible Agency
Approved On
County Clerk
Contra Costa
Final Environmental Document Available at
Bay-Delta Region 2825 Cordelia Road, Suite 100 Fairfield, CA 94534

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
No

Attachments

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