Aquatic Invasive Species (AIS)

Video: April Community-Wide Eurasian Watermilfoil Informational Meeting

May 7, 2025

The video of the April 17th community-wide Eurasian watermilfoil informational meeting is now available.  Link:   Eurasian Watermilfoil Informational Meeting April 2025

Presenters from the North Lakeland Discovery Center, …

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Save The Chain!! Eurasian Watermilfoil Grant Awards and Upcoming Event

March 10, 2025

Eurasian Watermilfoil
Grant Awards & Upcoming Event to Protect Our Waters
The following press release has gone out to local media!

The Manitowish Waters Chain of Lakes has long been a cherished gem of the Northwoods, …

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PAST, PRESENT, AND FUTURE OF EURASIAN WATERMILFOIL IN THE MANITOWISH CHAIN OF LAKES

November 12, 2024

Jamie VandenLangenberg, Water Program Director, NLDC

Eurasian watermilfoil was first detected in the summer of 2023, rooted in the Lower Trout River channel between Alder and Manitowish Lakes. Since then, …

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July 18th AIS Identification Training with a Side of Ice Cream–Clear Lake Boat Landing

July 11, 2024

Third of Four Summer 2024 AIS Identification Trainings

The aquatic invasive plant Eurasian watermilfoil has been found in Manitowish Lake and the Trout River.  Curly-leaf pondweed has made it over the dam into Vance Lake.  …

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Need an Aquatic Plant Sample Identified?

July 11, 2024

If you have a sample of an aquatic plant you think might be invasive and would like the sample identified, this is the process.

On a zip-lock plastic bag, please put the following information:

  • Your name
  • Your email address or phone number.
  •  …

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Diver Assisted Harvesting

June 27, 2024

Diver Assisted Suction Harvesting, or DASH, is one of the control methods employed in 2024 on the Manitowish Chain to assist with aquatic plant removal. It is a method appropriate for the removal of plants in larger more dense beds of plants rather than in areas of less dense or individual plants. …

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AIS Identification Training With a Side of Ice Cream at the Community Center–Saturday, June 15th.

June 11, 2024

First of Four AIS Identification Trainings This Summer

The aquatic invasive plant curly-leaf pondweed has made it over the dam into Vance Lake.  And Eurasian watermilfoil has been found above the dam in Manitowish Lake and the Trout River. …

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Aquatic Invasive Species Monitoring and Control Plans for 2024

April 29, 2024

Grants have been received.    

          Control work is planned.   

                  Citizen monitoring efforts are vital. 

  …

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Eurasian Watermilfoil Detected on Manitowish Lake and Channel to Alder

July 25, 2023

On July 15 an AIS Volunteer discovered floating fragments of Eurasian Watermilfoil (Myriophyllum spicatum) on Alder Lake and rooted plants in the channel towards Manitowish Lake. The MWLA board was immediately in contact with our county conservation specialist to discuss further plans for surveying and monitoring. …

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NLDC Water Program Update

September 18, 2022

by Jamie VandenLangenberg, Water Program Director at the Discovery Center, [email protected]

Help Out a Friend, the Freshwater Mussel

Why are freshwater mussels so important? Mussels filter pesticides, …

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