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San Mateo unveils $233M draft storm‑drain CIP; Marina Lagoon pump station singled out at $121M

Sustainability and Infrastructure Commission · January 15, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

City staff and consultants presented a comprehensive storm drain master plan update that identifies roughly 115 prioritized projects, estimates a baseline capital need of about $233 million (about $267 million including climate change), and recommends major Marina Lagoon pump station upgrades estimated at about $121 million.

San Mateo Public Works staff and consultants presented an update to the city’s Storm Drain Master Plan on Jan. 14, laying out system condition assessments, hydraulic modeling, and a prioritized capital improvement program (CIP) that staff estimates will cost roughly $233 million under current conditions and about $267 million when near‑term climate impacts are included.

James Yang, senior engineer for San Mateo Public Works, and Justin Maynard of consulting firm Schaff and Wheeler described how the plan combines CCTV condition inspections, pump‑station visits and a citywide hydraulic model covering about 150 miles of pipe and 15 miles of open channels. The draft prioritization list focuses on four categories: pipe capacity improvements, pipe repair and replacement, creek/capacity improvements and pump station upgrades.

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