Minnesota Pilot Project – Christmas Lake

Agency: Minnesota Department of Natural Resources

Location: Minnesota

Treatment Type: Biological, Physical, Toxicant

Treatment Method Used: Copper, Manual Removal, Potassium Chloride/Potassium Hydroxide, Pseudomonas Fluorescens

In 2014, Christmas Lake was treated with a combination of Zequanox®, some physical removal, EarthTec QZ® (copper product), and potassium chloride. During post-treatment monitoring, adult mussels were found outside of the treatment area. In 2015, Christmas Lake was again treated with potassium chloride in a larger treatment area. Subsequent to treatment in 2015, zebra mussels were found lakewide and treatment was halted.


Partner Agencies: 

Minnehaha Creek Watershed District
University of Minnesota, Minnesota Aquatic Invasive Species Research Center
Blue Water Science
Professional Lake & Land Management
Christmas Lake Association
City of Shorewood


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