Skip to main content
City of Palo Alto sealPalo Alto Civic

City project

Valley Water Tidegate Project

Valley Water project involving tidegate work, work-area restoration, a flap-gate replacement, and minor wing-wall repairs.

Current status
The sluice gate is stuck closed and its motorized system is nonfunctional. The City has submitted a permit application for cleaning, an underwater condition assessment, and initial
Location
Palo Alto flood basin, Palo Alto, CA
Street view near Palo Alto flood basin, Palo Alto, CA
Map of Palo Alto flood basin, Palo Alto, CA
  1. May 26, 2026: Rehabilitation update

    Staff said Valley Water completed seismic retrofit work in 2025 and expects to resume in September 2026 to repair six flap gates. The work is expected to affect Bay Trail access for several months.

    Read related coverage
  2. December 16, 2025: Phased construction update

    Staff reported that Phase 1 construction was on track to finish by January 31, with staging-area restoration beginning the following week. Phase 2 was planned for September and October 2026.

    Read related coverage
  3. August 26, 2025: Public-meeting update

    The meeting covered the project overview and scope and included questions and answers. It had 30 participants: 13 in person and 17 via Zoom.

    Read related coverage
  4. February 24, 2025: Proposed funding transfer and ad hoc response

    The Mayor announced a council ad hoc effort during a 60-day pause after the City requested that Valley Water defer its proposed transfer of $23 million from the project to San Jose.

    Read related coverage