Winterization of Slope Failure on San Lorenzo Creek Project


SCH Number
Public Agency
California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB)
Document Title
Winterization of Slope Failure on San Lorenzo Creek Project
Document Type
NOE - Notice of Exemption
Document Description
A section of the right bank of San Lorenzo Creek bank was destabilized when a riparian tree fell during the 2022/2023 wet season and triggered a small area of bank failure. Winterization with plastic sheeting is necessary to prevent erosion of the bank during the 2023/2024 winter season, while a long-term bank stabilization project is developed.

Contact Information

Brian Wines
Agency Name
San Francisco Bay Regional Water Quality Control Board
Job Title
Water Resource Control Engineer
Contact Types
Lead/Public Agency


Southern California
Cross Streets
22322 Center Street, Castro Valley
San Lorenzo Creek

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1 – Existing Facilities (Section 15301)
Reasons for Exemption
The project is consistent with a Class 1 categorical exemption under Section 15301of the CEQA guidelines for the operation, repair, maintenance, permitting, leasing, licensing, or minor alteration of existing public or private structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of use beyond that existing at the time of the lead agency's determination.


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