Wisconsin Department of Natural Resources

CWD Year 2018


This table shows available CWD test results for the selected year from all counties where deer tissue samples have been collected. Results are sorted alphabetically by county name. Results for an individual year are for the CWD year, which runs from April 1st through March 31st. For example, the results for the 2018 CWD year would be April 1st, 2018 through March 31st, 2019.

See data for all years

See the data for CWD Year: 

If a county name does not appear on the list, then zero deer were sampled from this location in the selected CWD year.

Please take note of the following when interpreting data for any county where Positive test results have been obtained. CWD occurrence in any County is likely to be restricted to one or more local (isolated) areas. Reports of CWD occurrence may not imply overall prevalence in a county. Detailed information on county statistics is provided when a specific County name is selected.

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).


County # Sampled # Analyzed Positive for CWD
Rock 101 101 5
Marinette 193 193 0
Langlade 122 122 0
Calumet 23 23 0
Green Lake 50 50 0
Door 11 11 0
Ashland 8 8 0
Grant 587 587 43
Lincoln 419 419 0
Marathon 357 356 0
Sauk 946 946 187
Rusk 47 47 0
Forest 84 84 0
Saint Croix 202 202 0
Chippewa 199 199 0
Milwaukee 85 85 0
Racine 35 35 0
Waushara 127 126 0
Sheboygan 77 77 0
Price 52 52 0
Dane 1089 1089 124
Juneau 374 374 5
Wood 124 124 0
Waukesha 252 252 3
Dunn 376 376 0
Eau Claire 343 343 2
Kewaunee 12 12 0
Lafayette 157 157 21
Shawano 247 247 0
Waupaca 179 179 0
Pepin 79 79 0
Columbia 555 555 38
Pierce 299 299 0
Burnett 64 64 0
Kenosha 22 22 0
Walworth 68 68 3
Winnebago 14 14 0
Brown 13 12 0
Ozaukee 49 49 0
Richland 1393 1393 187
Green 140 140 9
Crawford 397 397 9
Clark 224 224 0
Adams 360 360 12
Oconto 113 113 0
Washington 155 155 0
Marquette 127 127 1
Barron 77 77 0
Outagamie 13 13 0
Unknown 22 22 0
Iron 16 16 0
Jefferson 131 131 1
Iowa 1505 1505 397
Vernon 751 751 11
Florence 181 181 0
Fond du Lac 29 29 0
Washburn 126 126 0
La Crosse 165 165 0
Vilas 296 296 0
Bayfield 62 62 0
Dodge 217 217 3
Sawyer 36 36 0
Manitowoc 31 31 0
Taylor 44 44 0
Trempealeau 238 238 0
Monroe 562 562 0
Portage 362 362 2
Oneida 596 596 1
Jackson 219 219 0
Buffalo 441 441 0
Douglas 21 21 0
Polk 118 118 0
Menominee 9 9 0
Totals:

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