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Cornell Duffield College of Engineering, test for per- and polyfluoroalkyl substances (PFAS)

Boat Wash Station

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Lake Initiatives

The New Harvester

Committees/Volunteer

Minutes/Updates

Water Source Map (Otisco Lake)

Business Membership 2026-2027

What is Lake Friendly Living

Lawn Care and Landscaping

Lake & Watershed Facts

Hemlock Woolly Adelgid Infestation

Finger Lakes Actions

Aquatic Weeds: Nuisance and Necessity

Depth Map for Anglers

Lake Safety and Health

Online Resources

Weed Management Plan

OCWA Blue Line Meeting

Cornell Duffield College of Engineering, test for per- and polyfluoroalkyl substances (PFAS)

Boat Wash Station

Invasive Species

2027 Calendar Contest

Log In

Lake Initiatives

The New Harvester

Committees/Volunteer

Minutes/Updates

Water Source Map (Otisco Lake)

Folder: Become A Member

Business Membership 2026-2027

Folder: Lake Friendly Living

What is Lake Friendly Living

Lawn Care and Landscaping

Lake & Watershed Facts

Hemlock Woolly Adelgid Infestation

Folder: Resources

Finger Lakes Actions

Aquatic Weeds: Nuisance and Necessity

Depth Map for Anglers

Lake Safety and Health

Online Resources

Weed Management Plan

OCWA Blue Line Meeting

Cornell Duffield College of Engineering, test for per- and polyfluoroalkyl substances (PFAS)

Folder: Weed Intervention

Boat Wash Station

Invasive Species

2027 Calendar Contest

Log In

Cornell Duffield College of Engineering, test for per- and polyfluoroalkyl substances (PFAS)

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Boat Wash Facility and Launch

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Drone shots: Courtesy of Patrick Strodel

Mailing address: Box 207, Marietta, NY 13110

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