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Presenter outlines feasibility study to address recurring wastewater 'snail' infestation
Summary
A town presenter urged the council to fund an engineering feasibility study to test whether trickling filters can be taken offline to stop recurring snail infestations at the wastewater plant; the study would show if a lower‑cost operational change can replace a costly capital project.
A presenter urged the council to commission an engineering feasibility study to determine whether the plant's trickling filters can be mothballed without compromising treatment, a change aimed at stopping repeated snail infestations. The presenter framed two paths: operational mitigation with lower capital cost but higher maintenance, or a permanent capital change with higher upfront cost but lower ongoing labor needs.
"My first involvement in this issue was 2021," the presenter said, outlining how snails breed in treatment filters and trigger expensive emergency shutdowns to clean them. He proposed a phased study: data collection and a short test run without the filters; if infeasible, the study would be dropped; if feasible, the board would decide on next steps and cost tradeoffs. The presenter also noted outside plant experts would be involved in modeling and testing.
