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RiverCOG approves $150 per-town assessment to extend water chestnut program; Army Corps to cost-share hydrilla work
Summary
RiverCOG approved a $150 per-town assessment to support an extended water chestnut mitigation grant and heard that the Army Corps' New England District approved a 50/50 cost-share for hydrilla mitigation beginning summer 2026, pending appropriations.
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RiverCOG approved a recommended $150 per-town assessment to support the water chestnut mitigation program while staff seek additional state and federal funding and an extension of an existing DEEP aquatic invasive species grant.
Margo reported that regional efforts to control water chestnut date to 2011. A two-year DEEP aquatic invasive species grant awarded in 2023 has remaining funds and staff requested another extension; Margo also asked permission to move $2,300 within the grant to cover equipment fuel and related costs while awaiting a formal contract.
Board members expressed frustration that the river — the largest in New England — crosses municipal and state lines and requires broader state and federal support. Sam said RiverCOG has sought assistance from Senators Blumenthal and Murphy and the Army Corps of Engineers.
Margo also said the Army Corps' New England District approved a 50/50 cost-share for hydrilla mitigation and is prepared to work with the region; work is expected to occur in summer 2026 pending appropriations and implementation details. The board moved, seconded and approved the $150 assessment to maintain program capacity.
Members noted the program also benefits inland lakes and ponds interconnected to the Connecticut River system and urged continued congressional engagement for more durable funding.

