TADM Piezometer Cleaning (OM-OFD-2025-002)
Summary
SCH Number
2025081323
Public Agency
California Department of Water Resources
(DWR)
Document Title
TADM Piezometer Cleaning (OM-OFD-2025-002)
Document Type
NOE - Notice of Exemption
Received
Posted
8/28/2025
Document Description
Department of Water Resources Division of Engineering, Dam Safety Services, and Contractor will clean approx. 30 piezometers along the west and south sides of Thermalito Afterbay Dam. The piezometers will be cleaned using air compressors and water pumps mounted on a drill rig though no drilling work will be done. Air or water will be jetted inside the piezometer casing to flush out debris. Then a downhole camera inspection will be done. Soil and water removed from the piezometers will be collected in 55-gallon drums to be disposed by Contractor. All staging and work is within DWR right of way.
Contact Information
Name
Janine Beck
Agency Name
Department of Water Resources
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency / Parties Undertaking Project
Phone
Email
Name
Sara Lowry
Agency Name
Department of Water Resources
Job Title
Environmental Program Manager
Contact Types
Lead/Public Agency / Parties Undertaking Project
Phone
Email
Location
Coordinates
Cities
Oroville
Counties
Butte
Regions
Northern California
Cross Streets
Hwy 99, E Hamilton Rd
Waterways
Thermalito Afterbay Dam (TADM)
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, Existing Facilities, Section No. 15301
Reasons for Exemption
This project is exempt because it involves routine maintenance activities. This project will not result in impacts to special status species or habitat. The Categorical Exemption Class 1 will be used for CEQA compliance as this activity will be implemented without any environmental impacts.
County Clerk
Butte
Attachments
Notice of Exemption
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