2026 HIGH PRIORITY FLOOD RISK REDUCTION PROJECTS
Summary
SCH Number
2026050197
Public Agency
City of San Mateo
Document Title
2026 HIGH PRIORITY FLOOD RISK REDUCTION PROJECTS
Document Type
NOE - Notice of Exemption
Received
Posted
5/6/2026
Document Description
The project consists of vegetation removal within the existing 16th Avenue and 19th Avenue flood control channels to restore conveyance capacity and reduce flood risk. Work includes removal of herbaceous vegetation to the rooting depth, minor access improvements, and off-site disposal of materials. The purpose of the project is to maintain existing drainage infrastructure and reduce the risk of localized flooding. Beneficiaries include local residents and businesses. Additional project details are provided in the attached Categorical Exemption (CE) Memorandum (Memo).
Contact Information
Name
Gustavo Lopez
Agency Name
City of San Mateo
Job Title
Environmental Programs Coordinator
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project
Phone
Location
Coordinates
Cities
San Mateo
Counties
San Mateo
Regions
San Francisco Bay Area
Cross Streets
E 16th Ave/South Railroad Ave/ S Delware,and Pacific Blvd/19th Ave
Zip
94403
Total Acres
0.148
State Highways
CA-92 and U.S Route 101
Railways
Caltrain
Schools
College Park Elementary, Sunnybrae Elementary, The Nueva School
Waterways
Borel Creek, Leslie Creek, Laurel Creek, Seal Slough
Other Location Info
37°33'05.4"N 122°18'31.1"W, for 19th Ave Channel Location
Other Information
Please reference Memo for more detail on locations.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
CEQA Guidelines Section 15301 (Class 1) - Existing Facilities
Reasons for Exemption
The project qualifies for a Class 1 Categorical Exemption under CEQA Guidelines Section 15301 because it consists of
routine maintenance of existing flood control facilities involving negligible or no expansion of use. Project activities include
vegetation removal within existing channels lo restore conveyance capacity and will occur within previously disturbed areas.
As demonstrated in the attached CE Memo, the project would not result in any significant environmental effects, and none of
the exceptions to the use of categorical exemptions identified in CEQA Guidelines Section 15300.2 apply.
County Clerk
San Mateo
Attachments
Notice of Exemption
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