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Water Management Associations
Broadleaf Weed Herbicide Devastating to Trees
A herbicide produced by DuPont called Imprelis has been field tested by 25 major universities and registered by the Environmental Protection Agency in 2010 as a selective broadleaf weed herbicide.

The herbicide, which costs more initially, would have minimized the use of herbicides overall and seemed to be a good choice for lawn care service providers. Effective weed killer for lawns, it has also killed or damaged thousands of tress nationally.

Dupont has taken responsibility for the damage Imprelis has caused and has established a claim process. The EPA removed the product from the market a year ago and is now conducting an independent evaluation of the herbicide. The EPA said the herbicide “poses a low risk to both humans and non-target terrestrial and aquatic organisms, except for plants.”

Dupont has received more than 33,000 claims from homeowners and golf course operators who believe they have trees that were injured or killed by Imprelis.

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Invasive Algae Found for the First Time in a Wisconsin Lake - An invasive algae spreading quickly through Michigan inland lakes has been found for the first time in Wisconsin — in Little Muskego Lake in Waukesha County. The state Department of Natural Resources said that starry stonewort, a native to Europe and Asia, was discovered in the 506-acre lake in September.

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