Willow Slough Bypass Cone Penetration Test


SCH Number
Public Agency
California Department of Water Resources (DWR)
Document Title
Willow Slough Bypass Cone Penetration Test
Document Type
NOE - Notice of Exemption
Document Description
A 25-ton Cone Penetrometer Testing (CPT) rig will be used to analyze levee composition by advancing a standard cone tip into the levee soil, ranging in depth from about 40 to 65 feet, at approximately 13 predetermined sites along the Willow Slough levee toes (landside and waterside) and crown. A Department of Water Resources (DWR) engineering geologist will direct the field operations. Sites will be cleared with Underground Service Alert for possible underground utilities. Upon completion of each CPT hole, the holes will be cackfilled using bentonite-cement grout and a tremie pipe. There will be no significant adverse impacts to endagered species or other fish and wildlife, water quality, or scenic or historical resources. This testing will occur between May, 2001 and May, 2002.

Contact Information

Earle Cummings
Agency Name
Department of Water Resources
Contact Types
Lead/Public Agency



Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Sec. 15306
Reasons for Exemption
This Cone Penetration Testing project falls into a class of projects which have been determined not to have a significant effect on the environment and are exempt from the provisions of CEQA, per Section 21084 of Public Resources Code.

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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