Permit 20008 – Drainage Pipe Levee Mile 4.762 Project
Summary
SCH Number
2026030793
Public Agency
Central Valley Flood Protection Board
Document Title
Permit 20008 – Drainage Pipe Levee Mile 4.762 Project
Document Type
NOE - Notice of Exemption
Received
Posted
3/18/2026
Document Description
To authorize an existing 36-inch diameter corrugated metal drainage pipe sleeved with a 28-inch diameter steel pipe through the left bank levee of the Colusa Trough. The annular space between the 36-inch and 28-inch diameter pipes has been grouted. This drainage facility consists of appurtenant features that include a headwall and flap gate on the waterside, and a headwall, an electric pump system with a metal support structure and walkway, a metal standpipe, and a positive closure device on the landside. This permit supplements and where in conflict supersedes Permit No. 9390, issued to Annie D. Propfe in 1974, that included the existing 36-inch pipe as part of an Automatic Board Order. This drainage facility is also included in the United States Army Corps of Engineers (USACE) Sacramento O&M Manual, Unit 132, October 1959, Revised 14 January 2019, (HLM 4.87), listed as 36-inch pipe and in USACE As-Built Drawing No. 50-4-3081, Sheet 6 and 16, Station 1581+10, 4 April 1957.
Contact Information
Name
Jordan Robbins
Agency Name
Central Valley Flood Protection Board
Job Title
Senior Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Dan Griffith
Agency Name
Sycamore Mutual Water Company
Job Title
Project Manager
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project
Phone
Email
Location
Counties
Colusa
Regions
Northern California
Other Location Info
The project is located on the left bank levee (LM 4.76) of the Colusa Trough in Colusa County at approximate coordinates 39.09738°N, 122.01556°W.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Section 15301 Existing Facilities
Reasons for Exemption
The project is exempt from CEQA under the Class 1, Existing Facilities categorical exemption (California Code of Regulations, Title 14, Section 15301), because the activity consists of the permitting of existing public or private structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of use. No expansion of existing or former use will occur. Further, none of the exceptions to the exemption in California Code of Regulations, Title 14, Section 15300.2 apply.
Attachments
Notice of Exemption
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