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Napa supervisors signal intent to adopt Lake Berryessa boat-inspection ordinance to prevent invasive mussels

5062163 · June 24, 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

The Board of Supervisors voted unanimously to express intent to adopt an ordinance authorizing inspections of boats, trailers, and other equipment at Lake Berryessa to reduce the risk of invasive golden mussels entering the reservoir.

The Napa County Board of Supervisors on June 24 voted unanimously to express its intent to adopt an ordinance that would authorize on-site inspections of watercraft and water-related equipment at Lake Berryessa to prevent introduction of invasive mussels.

The vote came after county staff and outside scientists described the golden mussel, a fast-reproducing nonnative species recently detected in the Sacramento–San Joaquin Delta, as a major ecological and infrastructure threat. Martin Peralez of the Napa Resource Conservation District described the species’ ability to reproduce quickly, survive out of water for…

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