Roesiger Invasive Aquatic Plant Control
Implementing the Plan - Work to begin in 2023
The table below shows each of the plan elements and the actions being taken in 2023. All work will be managed by Snohomish County under the guidance of the Lake Roesiger Invasive Plant Advisory Committee (currently being formed). To stay up-to-date on the project, sign up to receive email updates.
Eurasian Watermilfoil5 year goal: Eradicate Eurasian watermilfoil is currently in scattered locations in each of the three basins. The low densities are thanks to over two decades of diver surveys and hand-pulling. While these efforts have helped, they have not been consistent enough to eradicate this plant. 2023 Actions:
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Fragrant Waterlily Control5 year goal: North and South Basins - Eradicate Middle Basin - 40 to 50% Reduction Fragrant waterlily currently covers approximately 0.7 acres in the north basin, 0.6 in the south basin and 28.9 in the middle basin. 2023 Actions
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Invasive Species Prevention5 year goal: Prevent new introductions of invasive aquatic species Lake Roesiger is a popular destination for boaters putting it at high risk for new invasive plant and animals to be introduced to the lake. Users leaving the lake can also spread Roesiger invasive species to other lakes. Outreach to boat users on how to Clean, Drain and Dry their boat is the best method to prevent the spread of invasive species. aquatic plants and animals into the lake 2023 Actions
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Shoreline Invasive Species5 year goal: Prevent further spread and reduce coverage Invasive shoreline plants at Lake Roesiger include invasive knotweed, purple loosestrife and yellow flag iris. 2023 Actions
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Slender Arrowhead5 year goal: prevent further spread and reduce coverage (initial target of 20% per year that would be scaled based on funding) 2023 Actions
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Project Success Monitoring5 year goal: Track the effectiveness of the project in meeting the project goals 2023 Actions
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Project Communications5 year goal: Ensure community members are kept up-to-date on project actions and outcomes 2023 Actions
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Sign up for Updates
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Sign up to receive updates for Lake Roesiger
Resources
Treatment Maps & Information
IAVMP Documents
2023 Treatment Maps
Maps
- Map of parcels in Aquatic Plant Service Charge Area
- Interactive Aquatic Plant Map @(Model.BulletStyle == CivicPlus.Entities.Modules.Layout.Enums.BulletStyle.Decimal ? "ol" : "ul")>
Contact Us
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Marisa Burghdoff
Water Quality Specialist
Ph: 425-388-3204
Jen Oden
Water Quality Specialist
Ph: 425-262-2601
Dominick Leskiw
Water Quality Analyst
Ph: 425-312-0623
email us at lakes@snoco.org