Crystal Springs Road Emergency Culvert Repair
Summary
SCH Number
2026010163
Public Agency
San Mateo County Department of Public Works
Document Title
Crystal Springs Road Emergency Culvert Repair
Document Type
NOE - Notice of Exemption
Received
Posted
1/7/2026
Document Description
Emergency repairs for the culvert will include removal of the existing deteriorated and plugged CMP and replacement in the same alignment along approximately 60 linear feet of the damaged area. The new pipe would be reconnected to the existing pipe on either side. The eroded area along the road shoulder above the failed culvert will be backfilled and compacted. The existing trash rack at the culvert inlet will be removed and replaced.
Post-construction erosion control BMPs will be installed to conserve soil resources and protect water quality. All temporary surface disturbances will be seeded with native plants. Work will be conducted in accordance with BMPs detailed in the County of San Mateo Routine Maintenance Program Manual.
Contact Information
Name
Leo Chow
Agency Name
County of San Mateo Department of Public Works
Job Title
Senior Civil Engineer
Contact Types
Lead/Public Agency / Parties Undertaking Project
Phone
Email
Location
Coordinates
Cities
Unincorporated San Mateo County
Counties
San Mateo
Regions
San Francisco Bay Area, Unincorporated
Cross Streets
Crystal Springs Road
State Highways
HWY 280
Waterways
San Mateo Creek, Crystal Springs Reservoir
Township
5S
Range
5W
Other Location Info
Crystal Springs Road approximately 0.2 miles east of Skyline Blvd, in unincorporated San Mateo County
Notice of Exemption
Exempt Status
Emergency Project
Type, Section or Code
Sec. 21080(b)(4); 15269(b)(c)
Reasons for Exemption
Project undertaken by a public agency to repair existing road facilities damaged by storm.
County Clerk
San Mateo
Attachments
Notice of Exemption
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