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Dundee council hears warning that wastewater plant needs upgrades, may require $2 million to restore capacity

Dundee City Council · November 4, 2025
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 told the Dundee City Council that the wastewater treatment plant has chronic infiltration/inflow problems, has not run at full efficiency since commissioning, and that populating additional membrane cassettes and fixing failed UV equipment could require substantial capital — staff and council discussed grants, loans and proactive outreach to the Oregon Department of Environmental Quality (DEQ).

Dundee — City staff told the Dundee City Council on an evening meeting that the town’s wastewater treatment plant has ongoing capacity and infiltration/inflow (I&I) problems and will require capital and operational work to avoid future overflows and enforcement action.

Speaker 2, the plant presenter, walked the council through a schematic showing original MBR basins, partially populated cassette stacks and empty basins that were designed for future expansion. He said the plant “is designed to be expandable” but has never operated at full efficiency since commissioning and that a rare storm once sent roughly 2,800 gallons per minute through the headworks, overwhelming pumps and screens.

Councillors and staff described chronic winter inflow into collection lines…

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