Spring Valley Lake Project

3 Documents in Project

Summary

SCH Number
2012122043
Lead Agency
Lake County
Document Title
Spring Valley Lake Project
Document Type
NOD - Notice of Determination
Received
Posted
3/8/2022
Document Description
The original project is limited to the restoration of Spring Valley Lake and the diversion of water from Wolf Creek and North Fork Cache Creek for storage in Spring Valley Lake. Water diverted into Spring Valley Lake consists of approximately one cubic foot per second (cfs) from Wolf Creek between October 1 and July 1, and up to 300-acre feet per year of water from North Fork Cache Creek, which is allocated from the Yolo County Flood Control and Conservation District. During the year the Permittee will bypass a minimum of 10 cfs or the total streamflow shall be bypassed, whichever is less. The restoration project is to reclaim the water volume and area of the original reservoir and dam capacity of 320 acre-feet, the current volume is approximately 43 acre-feet. The reclaimed lake is anticipated to provide water for wildfire suppression as well as backup domestic water supply in the event of a prolonged drought. The proposed project is to be completed in three phases: Phase I will involve construction of a sedimentation pond and filtration marshes, re-direction of Wolf Creek to the southern bank of the reservoir to the spillway of the dam. Phases II & Ill will remove 10-30 feet of sediment from the area delineated on the attached maps. The project is anticipated to remove approx. 352,000 cubic yards of sediment, about half of which is silt. The silt will be deposited as spoils in several County-owned sites within the Spring Valley Lakes Subdivision. The extension will extend the expiration of the Streambed Alteration Agreement until April 26, 2026

Contact Information

Name
Zach Kearns
Agency Name
Department of Fish and Wildlife
Job Title
Environmental Scientist
Contact Types
Responsible Agency

Location

Counties
Lake
Regions
Northern California
Township
14N
Range
07W
Section
11/12
Base
MDM
Other Location Info
The project is located at Spring Valley Lake and Wolf Creek in Spring Valley.

Notice of Determination

Approving Agency
California Department of Fish and Wildlife
Approving Agency Role
Responsible Agency
Approved On
County Clerk
Lake
Final Environmental Document Available at
the office location listed above for the Lead Agency. CDFW’s record of execution of the extension of the Lake or Streambed Alteration Agreement as Responsible Agency is available at CDFW’s regional 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
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
No
(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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