A four-diver hand-harvesting crew from Aqualogic came to #chateaugaylake this past week to harvest milfoil. They targeted beds that were not part of the herbicide treatment in late June. The divers found very little milfoil. They checked the part of…
Following the June 25th treatment of milfoil beds in the South Inlet and nearby Deep Bay in the Upper Lake, surveys by lake volunteers found no actively growing milfoil and evidence of die-off. On July 5th, ten days post-treatment, a…
Please see today’s final update HERE. Water Sampling Results Received (Undetectable) – All restrictions lifted.
Please see today’s update HERE.
Click HERE to access our June 2026 ProcellaCOR EC update.
Notification: The Chateaugay Lake Foundation is applying to the New York State Department of Environmental Conservation (NYSDEC) and the Adirondack Park Agency (APA) to use an aquatic herbicide in the early summer of 2026 to control the invasive plant Eurasian…
Aqualogic’s team of SCUBA divers returned to Chateaugay Lake on July 28th for their second week of hand harvesting this season, working in the Upper Lake. The team was deployed to harvest the beds that had been planned for herbicide…
Aqualogic’s team of four SCUBA divers arrived at Chateaugay Lake July 21 to start the first of two weeks of hand-harvesting. Overall, the divers found very little Eurasian milfoil in both the areas that had previously been hand-harvested and the…
Summer 2025 Update (13 July Change): Based on scouting by our volunteers this past week, we continue to see milfoil growth lagging behind what we’ve traditionally seen. As such, we have pushed the start of hand-harvesting a week later to…