Minnesota Pilot Project – Ruth Lake

Agency: Minnesota Department of Natural Resources

Location: Minnesota

Treatment Type: Toxicant

Treatment Method Used: Copper

In 2015, Ruth Lake was treated with EarthTec QZ® (copper product). An adult zebra mussel was found outside the treatment area in fall 2016. Post-treatment monitoring will continue through 2018.


Partner Agencies: 

University of Minnesota, Minnesota Aquatic Invasive Species Research Center
Ruth Lake Improvement Association


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