Minor Alteration No. WA2022012 – Manthey Road Bridge Replacement Project: Geotechnical Explorations
2 Documents in Project
Summary
SCH Number
2024030235
Public Agency
Central Valley Flood Protection Board
Document Title
Minor Alteration No. WA2022012 – Manthey Road Bridge Replacement Project: Geotechnical Explorations
Document Type
NOE - Notice of Exemption
Received
Posted
8/18/2025
Document Description
To perform five (5) exploratory borings and two (2) cone penetration tests. Of the five exploratory borings, three will be 175 feet deep in the river channel and two will be 110 feet from the top of the levees. All five borings will be explored using the Mud Rotary drill rig. The three borings in the river channel will be backfilled with bentonite. The two land borings and two cone penetration tests (all on the levees) will be backfilled with cement-bentonite grout placed using a tremie.
Contact Information
Name
Jennifer Calles
Agency Name
Central Valley Flood Protection Board
Job Title
Senior Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Michael King
Agency Name
City of Lathrop
Job Title
Assistant City Manager
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project
Phone
Email
Location
Cities
Stockton
Counties
San Joaquin
Regions
Northern California
State Highways
Interstate 5
Waterways
San Joaquin River
Other Location Info
The proposed exploration locations are located 0.25 miles northwest of Interstate 5, within the San Joaquin River and also on top of the Unit 1 San Joaquin River left bank levee (Reclamation District 2062 - Stewart) and Unit 2, San Joaquin River right bank levee (Reclamation District 17 - Mossdale).
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
14 CCR Section 15306 Information Collection
Reasons for Exemption
The project is exempt from CEQA under the Class 6, Information Collection categorical exemption (CEQA California Code of Regulations, Title 14, Section 15306), because the activity consists of basic data collection, research, experimental management, and resource evaluation activities which do not result in a serious or major disturbance to an environmental resource. These may be strictly for information gathering purposes, or as part of a study leading to an action which a public agency has not yet approved, adopted, or funded. Further, none of the exceptions to the exemption in CEQA California Code of Regulations, Title 14, Section 15300.2 apply.
County Clerk
San Joaquin
Attachments
Notice of Exemption
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