Buoys and flags mark the treatment sites
The Glen Lake Association, in collaboration with the Grand Traverse Band of Ottawa and Chippewa Indians, has begun treating three colonies of invasive Eurasian watermilfoil (EWM) discovered last year in the deep basin of Little Glen Lake. We are using biodegradable burlap benthic barriers, a nonchemical method that blocks sunlight to kill the invasive plants. The barriers will stay in place and be monitored until the infestation is fully eradicated.
We will continue searching for EWM this summer using drone and underwater remotely operated vehicle (ROV) technology, with priority areas including Big Glen, Brooks Lake, and Fisher Lakes. Early detection and a rapid, science-based response will help us stop this infestation before it becomes a significant problem.
Your support, through donations and annual memberships, helps fund prevention, monitoring, and treatment strategies for EWM and other invasive species. Thank you for helping us Keep It Blue!
EWM treatment sites in Little Glen Lake
We Need Your Help
Buoys and floating flags mark the treatment zones. Please avoid anchoring or boating in these clearly marked areas. Contact with the barriers can damage them and may cause the plant to spread to other parts of the lake.
Your actions help protect the lake! As you enjoy time on the water this summer, be mindful of the flagged zones and always clean your watercraft and gear if they’ve been in other lakes.
How to Identify EWM
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