Sites Reservoir Project (Lake and Streambed Alteration Agreement EPIMS Notification No. COL-46998-R2)

9 Documents in Project

Summary

SCH Number
2001112009
Lead Agency
Sites Project Authority (SPA)
Document Title
Sites Reservoir Project (Lake and Streambed Alteration Agreement EPIMS Notification No. COL-46998-R2)
Document Type
NOD - Notice of Determination
Received
Posted
7/9/2025
Document Description
The California Department of Fish and Wildlife (CDFW) has executed Master Lake and Streambed Alteration Agreement EPIMS Notification Number COL-46998-R2, pursuant to section 1602 of the Fish and Game Code to the project Applicant, Sites Project Authority as represented by Alicia Forsythe. The Project consists of the construction of a new off-stream surface water reservoir with a capacity of approximately 1.3-1.5 million acre-feet. The Project will use existing infrastructures to divert unappropriated flow from the Sacramento River at Red Bluff and Hamilton City and convey the water to a new off-stream reservoir west of the community of Maxwell, California. New and existing facilities will move water into and out of the reservoir, with ultimate release back to the Sacramento River system via existing canals and a new pipeline located near Dunnigan, California. The Project will require modifications to the Glenn-Colusa Irrigation District system and the Tehama-Colusa Canal to move water into and out of the reservoir. Water conveyance between Sites Reservoir and the canals and Dunnigan pipeline will be facilitated by an existing and one new regulating reservoir and two new associated pumping/generating plants. New electrical substations will connect the pumping/generating facilities and their associated electrical switchyards to an existing overhead power line. Three new recreation areas will also be constructed around the new Sites Reservoir. New roads will be constructed to provide access to Project facilities and recreation areas, and some existing roads will be relocated or improved. Construction of Sites Reservoir will also necessitate construction of a bridge or bypass road to connect Maxwell with the community of Lodoga.

Contact Information

Name
Alyssa Obester
Agency Name
California Department of Fish and Wildlife
Job Title
Environmental Scientist
Contact Types
Responsible Agency

Name
Alicia Forsythe
Agency Name
Sites Project Authority
Contact Types
Lead/Public Agency

Location

Counties
Colusa, Glenn
Regions
Northern California
Other Location Info
within the Antelope Valley, bordered on the west by the Coast Ranges and the Central Valley to the east. The reservoir inundation area would be in rural, unincorporated areas of Glenn and Colusa Counties, located approximately 10 miles west of the town of Maxwell
Other Information
Other Project components would be located in Tehama and Yolo Counties.

Notice of Determination

Approving Agency
California Department of Fish and Wildlife
Approving Agency Role
Responsible Agency
Approved On
County Clerk
Colusa
Final Environmental Document Available at
CDFW 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
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
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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