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

Watercraft Inspection Results

Location:

Boats Inspected (Boats Inspected:2004=6200,2005=30025,2006=36649,2007=39816,2008=57617,2009=63856,2010=86098,2011=105795,2012=109847,2013=116563,2014=126385,2015=135375,2016=147919,2017=150400,2018=144356,2019=150197,2020=133240,2021=150531,2022=139600,2023=157094,2024=137367|)

People Contacted (People Contacted:2004=11439,2005=61865,2006=82103,2007=78218,2008=121436,2009=135477,2010=185419,2011=227870,2012=232237,2013=252020,2014=263320,2015=284737,2016=309632,2017=304304,2018=301083,2019=312652,2020=281223,2021=309945,2022=277368,2023=306281,2024=261686|)

Hours Spent (Hours Spent:2004=1981.00,2005=10717.00,2006=18832.50,2007=25985.97,2008=35656.69,2009=40336.303,2010=50150.16,2011=58823.84,2012=60852.961,2013=71111.34666666666333,2014=75599.25233,2015=82065.542,2016=84989.629,2017=90448.10,2018=86231.547,2019=91029.187,2020=74016.306,2021=86745.85999999999999,2022=86216.586666667,2023=84754.63,2024=75475.0197|)

Hours Spent - Paid vs. Volunteer (Paid Hours:2008=23210.34,2009=27238.323,2010=34954.58,2011=42822.45,2012=45960.983,2013=56310.49666666666333,2014=61516.16233,2015=69089.332,2016=73169.579,2017=79104.46,2018=75660.987,2019=80355.652,2020=65545.536,2021=76569.90999999999999,2022=76466.476666667,2023=76977.58,2024=68616.5597|Volunteer Hours:2008=12446.35,2009=13097.98,2010=15195.58,2011=16001.39,2012=14891.978,2013=14800.85,2014=14083.09,2015=12976.21,2016=11820.05,2017=11343.64,2018=10570.56,2019=10673.535,2020=8470.77,2021=10175.95,2022=9750.11,2023=7777.05,2024=6858.46|)

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.