Oroville Facilities Shear Wave Velocity Data Collection


SCH Number
Public Agency
California Department of Water Resources (DWR)
Document Title
Oroville Facilities Shear Wave Velocity Data Collection
Document Type
NOE - Notice of Exemption
Document Description
DWR Proposes to drill, log, and conduct geophysical surveys of four exploration locations and destroy and backfill three wells near Thermalito Afterbay and Forebay Dams, Cuttings will be put in debris bins and hauled off site for disposal after testing. Holes will be grouted to approximately 2 feet from the ground surface.

Contact Information

Robin Carter
Agency Name
California Department of Water Resources
Contact Types
Lead/Public Agency


Other Location Info
Location Specific: Seven (7) drill holes total; Three Vs30 (3) drill holes and two instrument deconstruction (2) drill holes at Thermalito Forebay Dam; One Vs30 (1) drill hole and one instrument deconstruction (1) drill hole at Thermalito Afterbay dam.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Sec. 15306
Reasons for Exemption
15306 for basic data collection, research, and resource evaluation activties that do not result in disturbance to an enviromental resource. *All locations of proposed drilling are on pre-disturbed ground and all accessible by road.

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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