Get Full Government Meeting Transcripts, Videos, & Alerts Forever!
Saint Helena outlines multi-step plan to reduce water discoloration, targets SCADA upgrades
Summary
The Water and Wastewater Advisory Committee presented data showing iron and manganese in raw sources and recommended immediate operational changes, expanded testing, distribution flushing and a phased SCADA and equipment upgrade program expected to yield measurable improvement within 6–12 months.
The Water and Wastewater Advisory Committee on Tuesday presented a multi-step strategy to reduce yellow discoloration and odor in Saint Helena’s drinking water, emphasizing improved treatment operations, continuous process control and targeted pipeline flushing.
Jay Koba, a member of the water quality subcommittee of the Water and Wastewater Advisory Committee, told the council that Saint Helena’s system “is a typical potable water system” fed by three sources — Bell Canyon Reservoir, Stonebridge Wells and treated water purchased from Napa — and that most color and taste problems stem from inadequate raw-water treatment that lets naturally occurring iron and manganese enter the distribution system.
Koba said the committee and the city’s consultant, Issam Najim, have begun a four-step effort: expand laboratory analysis beyond regulatory sampling to better understand plant performance; change operational procedures to improve removal of metals and…
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
