Notice of Upcoming Aquatic Invasive Plant Treatments

NOTICE TO LAKE MINNEWASHTA PROPERTY OWNERS AND LAKE USERS

As part of its ongoing effort to preserve and improve the water quality and recreational enjoyment of Lake Minnewashta for all, the LMPA is planning to treat Aquatic Invasive Species (AIS), (in the case, plants) again this year. We wish to keep all of you well informed and this is Notice that we will be treating various areas of Lake Minnewashta for AIS in 2019.

We have already performed one of two planned weed surveys on the lake, the first was to determine the concentration of Curly Leaf Pondweed (CLP) around the lake. That survey occurred on May 13, 2019 and was performed by Carver County. The second survey for Eurasian Water Milfoil (EWM) will occur later in June.

Our plans to reduce the impact of the growing weeds include two treatment periods. Treatments are 150′ or more from shore. Treatments inside 150′ are the responsibility of the property owner.

Curly Leaf Pondweed will be targeted, as in previous years, with the chemical Diquat, an EPA and DNR approved chemical for this use. This treatment will be done early this spring when only Curly Leaf Pondweed is actively growing, prior to May 24th. The survey has indicated the heaviest concentrations of CLP to be on the North side of the lake in both the north bay and northeast bay. Other areas of the lake indicate much lower amounts. Therefore, the CLP treatments will be in that area including in some cases closer than 150’ from shore.

Eurasian Water Milfoil will be targeted for for treatment later this spring with the product Chinook which includes both Aquathol K and 2,4-D. This is an EPA and DNR approved product has also been very effective in the past and has also resulted in a reduction of the areas needing treatment. Treatment areas will be determined by June’s weed survey.

Float signs will be placed in the affected areas when these treatments are made. There are very few water use restrictions with these chemicals, but property owners should take note of the information on the float signs if treatment is done in their area. For more information, please contact us.

Property owners have a right to refuse treatment if it is within 150′ of your shore. If you have a concern with treatment closer than 150’ from your shore, please contact us immediately by email at info@lakeminnewashta.org. Please include your property address so we can avoid coming closer than 150’.

The cost of these treatments is funded by the generous donations of about 90 LMPA members and is an important step in maintaining the superior water quality that we all enjoy. If you are a lakeshore property owner or a fan of the lake and don’t already belong, please consider joining LMPA and help by providing a donation to support this important program. More information can be found on our web site.

Thank you for your consideration and support!

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