Roesiger Invasive Aquatic Plant Control

  • Recreational safety, usability and navigability of the lake

Learn more by clicking on each of the boxes below. Visit the Lake Roesiger webpage for more information on the water quality and recreational opportunities.

2023 Actions & Schedule 

See how Snohomish County and the Lake Roesiger community will implement the plan in 2023 including the schedule for milfoil diver surveys, invasive lily treatments and removal of invasive slender arrowhead.

Image of invasive lilies with link to information on invasive plants at Lake Roesiger
Image of invasive milfoil with link to information on plan creation
Image of invasive slender arrowhead with link to information on funding the plan
Image of divers on boat with link to information on implementing Roesiger aquatic plant plan

We are pleased to announce that Snohomish County and the residents of Lake Roesiger were awarded an aquatic invasive plant grant from the State Department of Ecology. The goal of the grant is to implement the approved Integrated Aquatic Vegetation Management Plan (IAVMP) for Lake Roesiger. This grant is in the amount of $75,000 over two years and will supplement funding provided by lake area residents and the County. 

Off-Lake Advisory Committee Member Still Needed

Snohomish County is currently seeking one representative for the off-lake shoreline area to o serve on the Lake Roesiger invasive aquatic plant advisory committee. This group will provide input to ensure the plan is implemented effectively. 

To be eligible to serve on the advisory committee you must:

  • be a property owner (or be designated by one) in the Roesiger invasive plant service charge area  (see map)
  • commit to serving 1-2 years on the committee
  • attend 2-4 meetings a year (most in spring)
  • read and be knowledgeable of the Lake Roesiger Invasive Aquatic Plant Management Plan
  • be willing to work collaboratively with neighbors and County staff. 

If interested, email or call 425-388-3204.