Lurline Check and Replacement Structure Project

Summary

SCH Number
2024060457
Lead Agency
Glenn-Colusa Irrigation District (GCID) (GCID)
Document Title
Lurline Check and Replacement Structure Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Agricultural General E-A (Exclusive Agriculture)
Document Description
The District is proposing the construction of a check structure and siphon to replace the existing check structure and siphon, as well as their associated facilities, in their approximate current location along the Glenn-Colusa Canal. The new structure would include box culverts or precast concrete pipes constructed to convey 100% of the Glenn-Colusa Canal’s design flow rate at this location (630 cubic feet per second (cfs)). The initial phase would involve clearing and grubbing any vegetation present within the Project work area. The next phase would see the demolition and removal of the existing check, siphon, and outlet structures, as well as the two existing maintenance bridges and overflow spill. The existing overflow spill is no longer used at the site, so a replacement overflow spill is not included in the proposed structure. Prior to commencing the demolition and removal, a bypass would be constructed for Lurline Creek. While the Canal would be dry during construction, the proposed construction window occurs during the Creek’s peak flows. A temporary bypass channel would be built to divert flows around the work site and back into Lurline Creek so as to not impact the creek’s water flow. The bypass would be an earthen channel with a High Density Polyethelene (HDPE) lining and design maximum flow rate of 850 cfs.

Contact Information

Name
Jeff Sutton
Agency Name
Glen-Colusa Irrigation District
Job Title
General Manager
Contact Types
Lead/Public Agency

Name
Briza Sholars
Agency Name
Provost & Pritchard Consulting Group
Job Title
Senior Planner, Environmental Project Manager
Contact Types
Consulting Firm

Name
Greg A. Krzys
Agency Name
Glen-Colusa Irrigation District
Job Title
Assistant General Manager
Contact Types
Lead/Public Agency

Location

Cities
Maxwell
Counties
Colusa
Regions
Northern California
Other Location Info
The proposed Project is located in Colusa County, California, approximately 60 miles northwest of Sacramento and 90 miles south of Redding (see Figure 2 1 and Figure 2 2). The proposed Project is comprised of two separate sites: the 2.4-acre Lurline Check site and the 5.2-acre borrow site, located approximately north of the Lurline Check. The Lurline Check site (Check site) is located on Assessor’s Parcel Number (APN) 014-280-009. The proposed borrow area is located on APNs 011-270-087 and 011-270-062. The Area of Potential Effect (APE) for the Project is approximately 7.6 acres in size, which includes the Check site, borrow area, and all construction staging, and access areas needed for construction equipment.

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 3 (DOT), California Department of Water Resources (DWR), California Native American Heritage Commission (NAHC), California Natural Resources Agency, Central Valley Flood Protection Board, Office of Historic Preservation, State Water Resources Control Board, Division of Water Rights, State Water Resources Control Board, Divison of Financial Assistance, California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), California Department of Fish and Wildlife, North Central Region 2 (CDFW)
State Reviewing Agency Comments
California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), California Department of Fish and Wildlife, North Central Region 2 (CDFW)
Development Types
Other (Check Structure and Siphon Replacement)
Local Actions
Water Facilities
Project Issues
Biological Resources, Tribal Cultural Resources

Attachments

State Comment Letters [Comments from State Reviewing Agency(ies)]

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