County Service Area No 7 (CSA 7) Water Treatment Plant Improvement Project


SCH Number
Public Agency
San Mateo County Department of Public Works
Document Title
County Service Area No 7 (CSA 7) Water Treatment Plant Improvement Project
Document Type
NOE - Notice of Exemption
Document Description
The work included the installation of a new booster pump intended to deliver potable water trucked to the plant to the existing 500,000-gallon storage tank, installation of a new owner-furnished generator, installation of an automatic transfer switch and new utility meter/main panel, recoating of the existing water filtration system steel tank, replacement of the filter media, internals, and valves, and other related required work. This project improved the system’s treatment efficiency, water quality, and reliability by allowing hauled potable water to be distributed to the CSA 7 customers in the rural La Honda community during water outages due to the drought, Public Safety Power Shutoff, severe weather events, major breaks, and plant shutdowns.

Contact Information

Mark Chow
Agency Name
County of San Mateo Department of Public Works
Job Title
Principal Civil Engineer
Contact Types
Lead/Public Agency / Project Applicant


San Mateo
Cross Streets
Pescadero Creek Road
Other Location Info
Existing CSA 7 Water Treatment Plant on Pescadero Creek Road in La Honda, CA in unincorporated San Mateo County.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, Section 15301
Reasons for Exemption
This project was undertaken by a public agency to repair existing facilities. The improvements are Categorically Exempt from CEQA pursuant to Section 15301 Class 1 - Existing Facilities, which allows for the operation, repair, maintenance, or minor alteration of existing public facilities, structures, or mechanical equipment, involving negligible or no expansion of existing use.
County Clerk
San Mateo


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