Drought Forces Dam to Cut River Flow Through Winter Months
Published Date: 3/3/2026
Notice
Summary
Great River Hydro wants to temporarily reduce water flow from its Comerford Dam on the Connecticut River due to drought, from September 29, 2025, to January 31, 2026. The government reviewed the plan and says it won’t harm the environment much. People living near the river in New Hampshire and Vermont should know about this change and can comment by March 27, 2026.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 0 costs, 1 mixed.
Temporary Comerford Dam Flow Cut to 600 cfs
Flows released from the Comerford Dam to the Connecticut River were proposed to be reduced to 600 cubic feet per second (cfs) from September 29, 2025 through January 31, 2026. The Fifteen Mile Falls project covers a 26-mile reach of the Connecticut River on the border of New Hampshire and Vermont and includes the Moore, Comerford, and McIndoes reservoirs.
FERC Finds No Significant Environmental Impact
The Federal Energy Regulatory Commission's Environmental Assessment concluded that the proposed temporary variance to reduce Comerford Dam flows to 600 cfs would not constitute a major federal action that would significantly affect the quality of the human environment.
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