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Council workshop focuses on membranes, headworks and financing to restart Bellevue wastewater plant
Summary
City staff, consultants and council debated short‑term steps to return the city wastewater plant to operation — prioritizing membrane replacement and headworks channel repairs — while seeking funding strategies that avoid saddling residents with new debt.
Chris Johnson, the city’s public works director, opened the workshop by urging a practical sequence: "We've been dealing with a lot of this for a little while," he told the council, and recommended starting with headworks improvements that protect membranes while the plant is out of service.
Consultants and plant staff described the problem in technical terms: the headworks screening lacks redundancy and the membranes are degraded, which together have led to repeated outages. One presenter summarized the engineering trade‑offs: replacing cassettes of the current membrane type would be faster, while adopting newer membrane technology could increase treatment capacity roughly 10–15% with a potential long‑term 30% gain at full build‑out.
Council members and staff discussed financing and timing. Council member Tom noted the city had roughly $865,000 in wastewater reserves and urged the body to focus on two near‑term actions — headworks channel repair and membrane replacement — to push the plant toward restart. Staff and consultants said updated vendor quotes and a short cost‑of‑service analysis are required before the council makes a final procurement decision.
Why this matters: the plant has been operating below intended capacity and residents have raised odor and service concerns. Restoring the membranes and protecting them with improved screening are prerequisites to bringing the system fully back online and reducing long‑term maintenance and environmental risk.
Next steps: staff committed to obtaining updated quotes from membrane suppliers, refining a short‑term cost estimate tied to a restart milestone, and returning to council with financing scenarios that consider reserves, grants and the potential need to avoid new resident debt.
