named programs · 5 · from sources
What they call their work
Harvesting Program
Operates a mechanical harvester to remove aquatic vegetation; property owners can request service and contribute donations for dock-area harvesting.
Herbicide Treatment Program
Uses data-driven assessment to determine herbicide needs, hires licensed applicators, and applies treatments in compliance with permits to control invasive plant species.
Lake Management Task Force
Oversees development and implementation of the annual Lake and Watershed Management Plan, coordinates with town governments, and pursues external funding and grants.
Spillway Monitoring
Regularly monitors the dam and spillway structure to ensure safe and effective water level management on Cossayuna Lake.
Water Chestnut Removal
Targets invasive water chestnut plants through manual or mechanical removal to protect native ecosystems and recreational access.
activities · 7 groups
What they do
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Watershed Conservation & Stewardship 1 activity
- Advocacy and governmental representationRepresents community interests in governmental matters affecting Cossayuna Lake and maintains 501(c)(3) tax-exempt status with the IRS and New York State to support advocacy and funding eligibility.
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Organized Member Social Events 1 activity
- Community engagement and recreational programmingOrganizes and hosts social, educational, and fundraising events such as ice cream socials, dances, trivia nights, chili cook-offs, chicken BBQs, and food truck events. Offers rental access to the CLIA Clubhouse, Pavilion, and Gifford Hall for private events and community use, and provides online sign-up and payment for event tickets and rentals.
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Lake Stewardship Education & Outreach 1 activity
- Environmental education and outreachOrganizes educational events on lake ecology and safety, including Boater Safety Courses, and produces educational content for newsletters and public outreach to promote responsible lake use and stewardship.
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Lake Invasive Species Management 1 activity
- Lake management and invasive species controlConducts comprehensive lake management activities including herbicide treatment of invasive aquatic vegetation, mechanical harvesting of weeds (including coontail), and removal of non-native vegetation and algae. The organization contracts with licensed applicators, obtains required permits from the New York State Department of Environmental Conservation, conducts lake surveys to inform treatment plans, and complies with public notification requirements.
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Environmental Conservation Grantmaking 1 activity
- Lake management planning and funding acquisitionDevelops and implements the annual Cossayuna Lake Management and Watershed Management Plan, applies for government grants, and pursues county and state funding to support lake management and water quality initiatives. Contracts with the towns of Argyle and Greenwich to coordinate efforts.
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Nonprofit Organizational Management 1 activity
- Membership and operational administrationManages organizational operations through membership sign-ups, distribution of newsletters (via mail and email), publication of meeting minutes and financial reports, maintenance of equipment and property, insurance management, and provision of forms for lake harvesting, rentals, advertising, and community participation.
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Lake and Watershed Monitoring & Assessment 1 activity
- Water quality and level monitoringMonitors water quality through bi-weekly data collection as part of the Citizens Statewide Lake Assessment Program (CSLAP), testing for nitrates, phosphates, bacterial contamination, oxygen, conductivity, and bottom sludge. Also monitors water levels post-ice-out and maintains agreed-upon summer levels at or slightly above the spillway, including regular dam inspections and spillway adjustments.
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financials · form 990EZ · fy2025
revenue
Total revenue$93K
Contributions & grants$15K16%
Program service revenue$41K44%
Investment income$4K4%
Other revenue$4K
expenses
Total expenses$91K
Program expenses—
Admin / overhead—
Fundraising—
Salaries & benefits$25K
Grants paid out—
balance sheet
Total assets$386K
Cash—
Investments—
Liabilities—
Net assets$386K
6 years on record · 2020–2025 · YoY revenue +5.0%
leadership · form 990 part vii · fy2025
Who runs it
board members · 12
- Bob Reilly — Director
- Gene Henry — Director
- JoAnne Bonacker — Director
- Karen Ryan — Director
- Lisa Zibella — Director
- Lynn Jackson — Director
- Marie Dumas — Director
- Sheila Rappazzo — Director
- Star Schmaler — Director
- Susan Holbritter — Director
- Tom Atkin — Director
- Tom Lecours — Director
relationships · 16
Who they work with
- Argyle Town Board Government — Engages town leadership to support lake protection initiatives.
- Bob Reilly Partner — Contact person for clubhouse and pavilion rentals.
- By-Laws Committee Partner — Committee responsible for reviewing the by-laws and proposing revisions.
- Citizens Statewide Lake Assessment Program Network — Participates in CSLAP to collect and report water quality data.
- Cossayuna Lake Government — Lake-focused improvement association serving the Cossayuna Lake community.
- Finance Committee Partner — Committee responsible for reviewing financial status, advising on financial plans, and preparing the annual budget with the Treasurer.
- Greenwich Town Board Government — Engages town leadership to support lake protection initiatives.
- Lake Management Committee Partner — Committee responsible for developing the Lake Management Plan and overseeing lake management issues.
- New York State Government — Received tax-exempt status from NYS and collaborates on lake management matters.
- New York State Department of Environmental Conservation Government — Works with DEC on herbicide permitting and regulatory compliance for lake management.
- Nominating Committee Partner — Committee responsible for soliciting candidates for office and preparing the ballot for elections.
- State and local experts Partner — Collaborates with experts to monitor water clarity, plant life, and inform lake management.
- Town of Argyle Government — Contracts with the Town of Argyle for lake management activities.
- Town of Greenwich Government — Contracts with the Town of Greenwich for lake management activities.
- Upper Hudson Watershed Coalition Partner — Collaborates to identify and correct priority environmental issues around the lake.
- Washington County Soil and Water Department Partner — Partners on developing correction plans for runoff and watershed issues.
strategies · 3
How they approach the work
Named approaches extracted from this org’s sources. Where others share an approach, follow it to see the full set of orgs running it.
- Community-Based Lake Stewardshipmethodology: community-driven_stewardshipBy engaging lake residents and neighbors in volunteer-driven conservation efforts, the organization enhances the lake environment and increases community capacity for management, because collective participation fosters ownership, spreads workload, and strengthens long-term commitment to ecological health.
- Data-Informed Ecological Managementmethodology: data-driven-herbicide-managementBy using annual planning and data collection to guide interventions like herbicide application and invasive species control, the organization sustains water quality and recreational usability, because evidence-based decisions improve precision, reduce ecological disruption, and ensure accountability in lake management.
- Preventive Infrastructure and Bufferingmethodology: invasive_species_prevention_through_boat_cleaningBy implementing shoreline buffer zones and promoting boat cleaning practices, the organization prevents nutrient runoff and invasive species introduction, because physical and behavioral barriers at key entry points reduce contamination risks more effectively than reactive treatments alone.