Hydro Project Seeks Temporary Water Level Change
Published Date: 6/4/2026
Notice
Summary
Great Lakes Hydro America wants to temporarily change how high their Sawmill Hydroelectric Project’s reservoir water level is on the Androscoggin River in New Hampshire. This change could affect local water flow and power generation for a short time. The public has until June 29, 2026, to share their thoughts or get involved before any decisions are made.
Analyzed Economic Effects
1 provisions identified: 0 benefits, 0 costs, 1 mixed.
Temporary Reservoir Drawdown Aug–Oct 2026
If you live near the Androscoggin River in Coos County, New Hampshire, the operator plans to lower the Sawmill reservoir from 1,094.5 feet to 1,093.5 feet (a 1.0-foot drawdown) between August 1 and October 1, 2026 to replace waste gates. The drawdown would proceed no faster than six inches per 24-hour period, keep run-of-river operations with a minimum bypass flow, and the operator would refill the reservoir by releasing 90% of inflow downstream and using 10% to refill.
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Key Dates
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