Wisconsin Department of Natural Resources

Summary of CWD Statewide Surveillance


Prevalence information: Prevalence is the proportion or percentage of a population that tests positive for a disease and in Wisconsin the CWD prevalence rate differs throughout the state. To learn more about prevalence of CWD in Wisconsin view the CWD prevalence page including the mapping tool at the bottom of the page.

This table shows available CWD test results for each of DNR's four zones statewide. It includes data released through August 15, 2018. Deer will not have full data until the datasheet is entered.

See the data for CWD Year 2018 only

See the data for CWD Year: 

If you click on a zone, you can see the breakdown for individual hunting periods.

Note that the DNR data reported here only includes wild deer. For information on test results for Game Farm deer and elk, please contact the Wisconsin department of agriculture, trade, and consumer protection (phone 608-224-4872, fax 608-224-4871).


DNR Zone # Sampled # Analyzed Positive for CWD
Central Farmland Zone 29985 29969 9
Central Forest Zone 4837 4836 17
Northern Forest Zone 19837 19832 3
Southern Farmland Zone 152524 152499 4164
Unknown Zone 2845 2838 1
Statewide Totals:

For questions or comments about
Chronic Wasting Disease,
send e-mail to: Wildlife Health