For decades Chautauqua Lake has been managed by a combination of mechanical, chemical, and biological techniques. These include shoreline and debris cleanup, mechanical plant harvesting, herbicide treatment, herbivores, and dredging, among others. Please see below for a list of resources related to in-lake maintenance programs, past and present.

Mechanical Lake Maintenance

• Chautauqua Lake Association Work Reports (Also includes Town of Chautauqua Mobitracs, 2020-Present)
• Chautauqua Lake Association Work Plans
• Town of Chautauqua Mobitrac Near-Shore Cleanup Program

Chemical Lake Maintenance

• 2024 Chautauqua Lake Herbicide Program Information
• 2023 Chautauqua Lake Herbicide Program Information
• 2022 Chautauqua Lake Herbicide Program Information
• 2021 Chautauqua Lake Herbicide Program Information
• 2019 & 2020: Please see the Independent Third-Party Monitor Reports for information on the 2019 & 2020 programs.

New Invasive Species

• Click here to see more information on projects related to emerging invasive species.

Monitoring

• Click here to view available lake data and surveys.
• Click here to view the projects page for the Alliance CLAD Mapping Program.
• 2020 Herbicide Treatment Program — Independent Third-Party Monitor For Chautauqua Lake Macrophyte Management
• 2019 Herbicide Treatment Program — Independent Third-Party Monitor For Chautauqua Lake Macrophyte Management

History

• Below you can find a history of mechanical harvesting and herbicide treatment from the Chautauqua Lake Macrophyte Management Strategy (MMS) (Chautauqua County, 2017).

MMS-p.-8-9.-History-of-Mechanical-Harvesting-and-Herbicide-Treatment-Chautauqua-Lake

Alliance-partnered projects are made possible thanks to the work of many dedicated partners, with funding generously provided by The Lenna Foundation, Ralph C. Sheldon Foundation, Chautauqua Region Community Foundation, Gebbie Foundation, Holmberg Foundation, Hultquist Foundation, County of Chautauqua, New York State, and private contributors.