CHRONIC WASTING DISEASE (CWD)
Web-mapping App Updates:
What’s new with DNR’s web-mapping applications?
We are excited to announce that the DNR’s web mapping applications have been upgraded with more secure and modern technology! While the design may look different, the functionality you rely on remains the same.
For best results, use up-to-date devices, operating systems and internet browsers. If you are having difficulty viewing or interacting with a DNR web-map, try these web browser tips.
Chronic wasting disease is a fatal, infectious nervous system disease of deer, moose, elk and reindeer/caribou. It belongs to the family of diseases known as transmissible spongiform encephalopathies (TSEs) or prion diseases. CWD occurs only in members of the cervid or deer family — both wild and captive. The Wisconsin DNR began monitoring the state’s wild white-tailed deer population for CWD in 1999. The first positives were found in 2002.
CWD Monitoring
Additional Materials
- CWD-affected county details [PDF]
- CWD positive locations by year [PDF]
- Cumulative positive location in Wisconsin and Illinois [PDF]
- 2023 positive locations in Wisconsin and Illinois [PDF]
- 2023 CWD positive locations in southern farmland zone [PDF]
- 2023 CWD positive locations in central farmland and forest zone [PDF]
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