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Residents press council on mosquito spraying; city staff describe targeted West Nile program and opt-outs

5729396 · August 19, 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

Residents raised concerns about Fort Collins’ mosquito-spraying program, citing health and environmental risks from adulticide chemicals; city ecological stewardship staff described the program’s larval-control focus, testing, adjusted spraying timing and existing opt-outs for pesticide-sensitive properties and businesses.

During the public comment period, several residents urged the City Council to reconsider or halt blanket adulticide spraying for West Nile virus, citing studies and concerns about impacts to pollinators, waterways and human health. The speakers named active ingredients—permethrin and PBO—and said repeated neighborhood sprayings were occurring. One commenter reported six sprayings so far in the season and presented studies they said showed environmental persistence and toxicity.

Why it matters: West Nile virus surveillance and mosquito management touch public-health, environmental and operational trade-offs. Residents raised concerns about non-target impacts on…

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