About/General
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Answers to your questions about groundwater
Approximately two-thirds of the people in Wisconsin obtain their drinking water from groundwater. If your water comes from a well, public or private, you’re one of these people! Groundwater is also essential for Wisconsin’s farm and business…
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Carcass movement, processing and disposal
The movement of dead or alive CWD-positive deer, moose, elk or reindeer/caribou (natural or human-assisted) is a key pathway in the spread of CWD. The infectious nature of the CWD prion contributes to an increased risk of introduction and spread of…
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What to do if you see a sick or dead deer
Please notify the DNR if you see a sick or dead deer or multiple dead deer in any one area. You do not need to report deer killed on or near a roadway for health reports, however, see the below section for options for deer that need to be removed…
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Chronic wasting disease test results
To find your test results, you will need your:CWD barcode orCustomer IDSearch for CWD test results for your deerTest results are added as they become available. During an average year, results are typically available 10-14 days after the deer is…
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Sampling for chronic wasting disease (CWD)
CWD sampling is available statewide. However, the DNR is especially interested in receiving more samples from our 2025 Fall Priority Areas to better understand disease levels and distribution.Testing through the DNR is free for deer harvested in…
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Wisconsin Animals
Wisconsin hosts 668 native vertebrates, including fishes, amphibians, reptiles, birds and m
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Identification tips and habitat
The Karner blue butterfly, Lycaeides melissa samuelis, is in the Lycaenidae (gossamer-winged butterfly) family.