CSA 7 Water System Distribution Pipeline Improvements Project - Emergency Culvert Repair
Summary
SCH Number
2026090801
Public Agency
San Mateo County Department of Public Works
Document Title
CSA 7 Water System Distribution Pipeline Improvements Project - Emergency Culvert Repair
Document Type
NOE - Notice of Exemption
Received
Posted
9/18/2026
Document Description
The project involves emergency in-kind replacement of a section of culvert located on an ephemeral tributary drainage to Alpine Creek along Pescadero Creek Road. The severely deteriorated section of 18-inch diameter corrugated metal pipe (CMP) was discovered during excavation of a water utility trench for the CSA 7 Water System Distribution Pipeline Improvements Project and must be repaired immediately. The emergency work involves replacement of a 5-foot section of the culvert including trench excavation, removal of the damaged section of pipe, installation of the replacement section with standard coupling bands, structural backfill and compaction, and roadway restoration. Work will be conducted according to conservation measures and best management practices detailed in the County of San Mateo Routine Maintenance Program Manual (2025) and the San Mateo Countywide Water Pollution Prevention Program Construction BMPs (2014).
Contact Information
Name
Julie Casagrande
Agency Name
County of San Mateo Department of Public Works
Job Title
Natural Resource Manager
Contact Types
Lead/Public Agency / Project Applicant
Phone
Email
Location
Cities
unincorporated La Honda area
Counties
San Mateo
Regions
San Francisco Bay Area, Unincorporated
Other Location Info
Pescadero Creek Road approximately 450 feet northwest of the intersection with Alpine Road in the unincorporated La Honda area.
Notice of Exemption
Exempt Status
Emergency Project
Type, Section or Code
Sec. 21080(b)(4); 15269(b)(c)
Reasons for Exemption
Emergency project.
County Clerk
San Mateo
Attachments
Notice of Exemption
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