Invasives Prevention



                                                                                                      Don Gardner instructing boaters about the
                                                                                                       dangers of aquatic invasive species and how
                                                                                                       to guard our lakes from them. Summer of 2012.

An increasing number of Adirondack Lakes are infested with aquatic invasive species that damage lake ecosystems, threaten recreational uses of these waters, and reduce property values.

Click here for a 2015 map of the Adirondack Lakes monitored for Aquatic Invasive Species.

We at the Canada Lakes are fortunate not to have these pests, and the Invasive Species Committee continues its work to keep our waters safe, in partnership with the Town of Caroga and NY DEC. In the 2014 season, two paid and eighteen volunteer Lake Stewards inspected over 600 boats at the West Lake boat launch. Of these boats, some 15% had been in infested waters in the previous two weeks. The volunteer Lake Inspectors surveyed the shorelines in August and found no evidence of invasives. While most boaters understand the risk of spreading invasive species, the stewards continue to find and remove vegetation from boats and trailers, so more public education is needed. The new law and regulations requiring boats to be cleaned before launching in state waters should help, but we still need to keep up our preventive work at the West Lake site. The cost of these programs is shared between the Association and the Town, with the Town putting the two paid stewards on the town payroll, for which we are very appreciative. 


If you would like to help with this important work, we are always looking for more volunteers to serve as Lake Stewards and Lake Inspectors. Volunteer Stewards generally work 3-4 hour shifts at the boat launch one weekend in July and one in August. If you want to serve as a Steward, contact Mike Durkee (; 202-247-5895). If you want to be an Inspector (surveying a designated shoreline in August), please contact Marcus Harazin (; 518-439-6387). New Lake Stewards attend a half-day training program, usually in late June at the Adirondack Museum at Blue Mountain Lake. New Inspectors are taken on a field trip to Caroga Lake to observe the Eurasian Water Milfoil growing there. If you see anything that looks like an invasive plant in the water, please contact either Marcus or Mike.

While the Lake Stewards and Inspectors are doing their best to prevent the spread of invasive species to our lakes, it is hoped that all residents monitor their own shore line.  The attached Quick Field Guide is intended to distinguish native and invasive aquatic plants.


(This closeup shows the distinctive whorls of the milfoil)


While we fortunately to date have not found any Eurasian Water Milfoil in Canada Lake, the experiences of Paradox Lake are instructive.  See the Paradox Lake Website

We are also beginning a program to eradicate terrestrial invasive plants in our area. 

      Pd Lake Steward

      Volunteer Lake Steward                                                2011 Paid Lake Steward


Lake Steward Geoffrey Saunders at the West Lake boat launch under the lake steward tent and wearing the lake steward T-shirt,  both paid for by voluntary contributions from members of the Canada Lake Protective Association Summer 2012. 

John Snyder attending Adirondack Park Invasive Plant Program at the Darrin Fresh Water Institute in Bolton Landing in the spring of 2014.  While John is very intent on examining the milfoil, we hope he has noticed the Japanese Knotweed right in front of him.

Links to Important Resources and Studies:

Department of Environmental Conservation, New York State Aquatic Invasive Species Management Plan, July, 2015: click here.

Governor Cuomo Announces Agreement to Prevent Spread of Aquatic Invasive Species in the Adirondacks: click here.

Darrin Fresh Water Institute, Aquatic Vegetation of Canada Lake, West Lake, and Green Lake, Town of Caroga, New York, prepared by Lawrence Eichler and Charles Boylen, 2013: click here

Adirondack Park Invasive Plant Program (APIPP) website: click here

Report: The Actual and Potential Economic Impact of Invasive Species on the Adirondack Park: A Preliminary Assessment, prepared by Yellow Wood Associates, Inc., 2014: Click here

Preventing the Introduction and Spread of Invasive Species: Click here.

Report: Boat Inspection and Decontamination for Aquatic Invasive Species Prevention, prepared by Paul Smith's College, March, 2014:  Click here

DEC Pamphlet, Anglers and Boaters: Stop the Spread of Aquatic Invasive Species and Fish Diseases in New York State, Click here.

New York State Department of Environmental Conservation: Aquatic Invasive Species in New York State:

Maine Volunteer Lake Monitoring Program, Click here.

Vermont's Watershed Management Division: Aquatic Nuisance Species Links: Click here.

 Zebra Muscles 

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CLCA News & Events 8/1/2018

CLMF Barge Concert

Caroga Lake Music Festival Barge Concert at the Canada Lake Store and Marina, Sunday, August 5, 6 PM.

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Local News 5/25/2019

Boat-wash station opens on Northway

State wants to prevent spread of water-borne invasive species...

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