LRP - Licenses

LRP - Regulations

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Recreation - Statewide

Recreation - Trapping

Recreation - Fishing

Recreation - Hunting

Env. Protection - Management

Env. Protection - Emergency

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Contact information
For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
Division of Water
Bureau of Water Quality
Aquatic Invasive Species Contacts

Aquatic Invasive Species (AIS) Monitoring

Aquatic invasive species distribution information is tracked by citizens and employees.

Disclaimer: Aquatic invasive species (AIS) records are assigned statuses of "verified", "observed", or "no longer observed" based on AIS Status Guidance. In general, "verified" populations are established and have been verified by a taxonomic expert. Populations with the "observed" status have not been verified by a taxonomic expert or do not have established populations. Populations with the "no longer observed" status include populations where a reproducing population did not establish. Our inventories are not necessarily exhaustive so it is important to report occurrences: http://dnr.wi.gov/topic/invasives/report.html. See the Aquatic Invasive Species Guidance for information on how statuses are assigned.

Aquatic invasive species locations:

Citizen Lake Monitoring

The Citizen Lake Monitoring Network, the core of the Wisconsin Lakes Partnership, creates a bond between over 1000 citizen volunteers statewide and the Wisconsin DNR. Our goals are to collect high quality data, to educate and empower volunteers, and to share this data and knowledge. Learn More

AIS Baseline Monitoring

A multi-year statewide effort to collect baseline AIS distribution information on lakes with boat landings was started in 2011. WDNR staff, county and regional partners will search a new set of approximately 200 lakes each year for at least five years. This endeavor will allow a statistically valid evaluation of all of the lakes in Wisconsin with boat landings and enable DNR to:

  • Establish baseline data on statewide AIS distribution.
  • Track the rate of AIS spread among the most vulnerable Wisconsin lakes.
  • Evaluate the effectiveness of outreach and education efforts to slow the spread of AIS via recreational boating.

For more information, see the following articles:

Additional Highlights

Hey anglers, be on the lookout for the fish no one wants to catch: round gobies

8/29/2017 - Post by Jenny Seifert, UWEX Aquatic Invasive Species Outreach Specialist Round gobies are ferocious little bait stealers. For this reason, the Wisconsin Department of Natural Resources is calling on anglers to help the agency monitor whether these invasive fishes are … Continue reading

Aquatic invasive species detection goes CSI with eDNA

8/8/2017 - Post by Jenny Seifert, UWEX Aquatic Invasive Species Outreach Specialist Peering into a bucket of mud, Maureen Ferry felt like she was looking for a needle in a haystack. That needle was the New Zealand mud snail, a teeny tiny … Continue reading

Become an invasive species detective for a day with AIS Snapshot Day

7/18/2017 - Post by Jenny Seifert, UWEX Aquatic Invasive Species Outreach Specialist Searching for invasive species in Wisconsin’s 84,000 miles of river, 15,000 lakes and millions of wetland acres is no task for just one person – or one agency, for that … Continue reading