Get Full Government Meeting Transcripts, Videos, & Alerts Forever!
Millbrae begins unidirectional water‑main flushing in Zone 4 to reduce brown water and sediment; program uses less water than traditional flushing
Summary
Public Works described a zone‑based, unidirectional flushing program to clear sediment from older pipes. Staff said the program cleans pipes more effectively and uses about 40% less water than conventional hydrant flushing; Zone 4 work should finish by mid‑October.
Millbrae Public Works staff reported to the City Council on Sept. 9 that the city is performing a planned unidirectional flushing (UDF) program to remove sediment and improve water clarity in older distribution mains.
Director of Engineering and Public Works Harry Burrows and Water Supervisor Leonard Harkness said UDF isolates short reaches of pipe, forces high‑velocity flows through them and tests discharge until turbidity and chlorine levels meet standards. The work clears mineral deposits that cause…
Already have an account? Log in
Subscribe to keep reading
Unlock the rest of this article — and every article on Citizen Portal.
- Unlimited articles
- AI-powered breakdowns of topics, speakers, decisions, and budgets
- Instant alerts when your location has a new meeting
- Follow topics and more locations
- 1,000 AI Insights / month, plus AI Chat
