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Underground Flow Equalization System

UFES Work Hour Update – June 22, 2023

Off-Hours Work Approved Saturday, June 24, 2023, 9 5 p.m. and Monday night 9 p.m. to Tuesday morning June 26-27, 2023.

Off-hours work related to the UFES project has been approved by the City of San Mateo for Saturday 9 a.m. to 5 p.m., June 24, 2023, and Monday night 9 p.m. to Tuesday morning June 26-27, 2023. Work will include installation of a bypass pipeline near the intersection of Saratoga Drive and S. Delaware Street. Minor traffic delays may occur in the early morning hours. Otherwise, streets will remain open during the work.

We thank you for your continued patience and cooperation as we make steady progress towards the completion of our sewer system improvements.

Visit our UFES Page for complete project details.

*Construction schedules are subject to change

Stay Connected with the UFES Project

The Clean Water Program’s UFES construction is well underway and we want to keep you informed. The team established multiple information channels for residents and business owners to stay connected.

  • Sign up for construction alerts (text the word UFES to 1-833-321-0231), email us at or call our hotline at 1-650-522-7250.
  • You can also visit our UFES project page to see project details and sign up for our e-newsletter. If you don’t want to opt in, but still want information, bookmark the link where we post our updates to the project website.