Aquatic Invasive Species
Contact information
For information on Lakes in Wisconsin, contact:
DNR Lake
Division of Water
Bureau of Water Quality
Clean Boats, Clean Waters Contacts

Big Roche-A-Cri Lake -- Access Nr Cottonville And 13th

Location:

Boats Inspected (Boats Inspected:2004=0,2005=0,2006=0,2007=0,2008=0,2009=0,2010=9,2011=121,2012=0,2013=79,2014=44,2015=97,2016=0,2017=0,2018=0,2019=0,2020=0,2021=0,2022=0,2023=0,2024=0|)

People Contacted (People Contacted:2004=0,2005=0,2006=0,2007=0,2008=0,2009=0,2010=18,2011=0,2012=0,2013=152,2014=79,2015=199,2016=0,2017=0,2018=0,2019=0,2020=0,2021=0,2022=0,2023=0,2024=0|)

Hours Spent (Hours Spent:2004=0,2005=0,2006=0,2007=0,2008=0,2009=0,2010=0,2011=234.5,2012=0,2013=555.5,2014=167,2015=300.5,2016=0,2017=0,2018=0,2019=0,2020=0,2021=0,2022=0,2023=0,2024=0|)

Hours Spent - Paid vs. Volunteer (Paid Hours:2008=0,2009=0,2010=0,2011=234.5,2012=0,2013=555.5,2014=147.5,2015=300.5,2016=0,2017=0,2018=0,2019=0,2020=0,2021=0,2022=0,2023=0,2024=0|Volunteer Hours:2008=0,2009=0,2010=0,2011=0,2012=0,2013=0,2014=19.5,2015=0,2016=0,2017=0,2018=0,2019=0,2020=0,2021=0,2022=0,2023=0,2024=0|)

Note: for the first few years, the Clean Boats form only asked for total hours. Later, most boat inspectors used the newer form which asked for Paid vs. Volunteer.

Big Roche a Cri has the following aquatic invasive species:
Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Rusty Crayfish, Zebra Mussel