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 25, 2019. Deer will not have full data until the datasheet is entered.

See the data for CWD Year 2019 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 35524 35506 19
Central Forest Zone 5414 5413 29
CWD Management Zone 1 1 0
Northern Forest Zone 22118 22111 4
Southern Farmland Zone 161177 161152 5214
Unknown Zone 2896 2889 1
Statewide Totals:

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