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Barnes Lake committee approves full fluridone treatment and IVAMP despite hitting reserve
Summary
The Barnes Lake Management District approved option B—a full-lake fluridone treatment plus an integrated aquatic vegetation management plan (IVAMP)—after debating costs and timing. The committee recorded a voice vote in favor; staff will notify Aquatechnics to schedule the work.
The Barnes Lake Management District approved a proposal to apply a full-lake fluridone treatment and fund an integrated aquatic vegetation management plan (IVAMP), the committee agreed during its meeting.
Committee members voted in favor of “option B,” which replaces the contact herbicide plan with a systemic fluridone application and includes development of an IVAMP and separate spot treatments for water lilies. City staff said the option will largely deplete the district’s cash balance but reflects previously planned fee assessments intended to cover periodic expensive treatments.
The approval followed discussion of two primary approaches: continuing with contact herbicides (diquat or endothal) and spot-spraying where plants are present, or doing a systemic fluridone application across the lake to control bladderwart (botanical name not specified in the meeting). Staff and…
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