Herbicide TreatmentsProduct Labels, Notifications, Maps, & Historical Info

Throughout the season, information about permitting, treatment planning, and application will be shared publicly through:

  • Letters of notification to riparian owners
  • Coordination with municipalities
  • Website updates below

The public is invited to register for email updates using the link at the top menu and specific questions can be directed to clp@chqlake.org

Update 02/06/2026:

Letters of notification to riparian owners were mailed starting on Feb 7, 2026.  Click on the following links to learn more about how we are adjusting the approach in 2026 to be more effective and efficient.

The following table shows the products applied in each year, the acres initially requested and the acres approved and applied after DEC field verification.  For reference, the entire area of Chautauqua Lake is ~13,000 acres and the littoral zone is ~4,400 acres.