ISDA divers have located some additional areas on Priest Lake that will be targeted with Aquatic Herbicides. A 1.7 acre infestation at Priest Lake Marina in Kalispell Bay and a smaller infestation at the beach adjacent to Beaver Creek USFS Launch on the north shore of the lake will be treated with Triclopyr next week.
ISDA staff and divers discovered these sites during the survey performed this summer. Contracted divers have been working on these sites over the summer, but the sizes are such that herbicides need to be applied now to injure the vegetative growth. Eurasian Milfoil auto fragments and spreads in the fall and winter months. One of the objectives of these treatments is to kill as much of this vegetation as is possible to help minimize this potential.
A decision on treatment dates for next week will be tentatively made and posted here on Friday of this week based on the weather forecast for next week. Please check back.
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