Thermalito Afterbay Western-Richvale Outlet Repairs
Summary
SCH Number
2025081214
Public Agency
California Department of Water Resources
(DWR)
Document Title
Thermalito Afterbay Western-Richvale Outlet Repairs
Document Type
NOE - Notice of Exemption
Received
Posted
8/27/2025
Document Description
Make repairs to outlet structure, replace the hoist anchor to repair gap between base plate and gate 3, remove debris and sediment immediately upstream of structures, backfill all voids adjacent to outlet structure, replace fencing, and establish a parking spot for maintenance vehicle.
Contact Information
Name
Robin Carter-Ervin
Agency Name
DWR Environmental Scientist
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Cities
Oroville
Counties
Butte
Regions
Northern California
State Highways
HWY 99
Waterways
Thermalito Afterbay
Township
19N
Range
3E
Section
18
Other Location Info
North end of the Thermalito Afterbay at the dam outlet structure to the Western and Richvale canals.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Existing Facilities Class 1, Section 15301
Reasons for Exemption
Class 1 exempts actions that consists of, but is not limited to, repair, maintenance, or minor alteration of existing facilities that will not result in significant impacts to environmental resources. The project purpose is to repair the outlet gate structures at the Western and Richvale Canals. DWR has evaluated the project for cultural and biological resources and has determined the project will not result in significant impacts.
County Clerk
Butte
Attachments
Notice of Exemption
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