Sawmill is a hydroelectric dam located on the Androscoggin River in Coos County, New Hampshire.
Wind
Humidity
Built in 1965, this concrete gravity dam stands at a height of 15 feet and has a length of 720 feet. It serves the primary purpose of generating hydroelectric power and has a maximum storage capacity of 620 acre-feet with a normal storage of 620 acre-feet.
Managed by the NHDES Dam Bureau and regulated by the Federal Energy Regulatory Commission, Sawmill has a low hazard potential and is inspected every three years to ensure its safety and functionality. With a maximum discharge capacity of 33,000 cubic feet per second and controlled spillways, this dam plays a crucial role in the region's water resource management and energy production. Despite its age, Sawmill remains a key infrastructure element in the area's hydroelectric network.
Overall, Sawmill is a significant structure that contributes to the sustainable use of water resources in New Hampshire. Its presence on the Androscoggin River underscores the importance of dams in meeting energy needs while also highlighting the need for continued monitoring and maintenance to ensure public safety and environmental protection in the face of changing climate patterns.
Year Completed |
1965 |
Dam Length |
720 |
Dam Height |
15 |
River Or Stream |
Androscoggin River |
Surface Area |
73 |
Drainage Area |
1338 |
Nid Storage |
620 |
Outlet Gates |
Slide (sluice gate) - 5 |
Hazard Potential |
Low |
Nid Height |
15 |
Androscoggin River Near Gorham
|
2640cfs |
Wild River At Gilead
|
48cfs |
Upper Ammonoosuc River Near Groveton
|
257cfs |
Androscoggin River At Errol
|
1500cfs |
Ellis River At South Andover
|
74cfs |
Ammonoosuc River At Bethlehem Junction
|
144cfs |
| Location | Reservations | Toilets |
|---|---|---|
Trident Col Tentsite
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Gentian Pond Shelter
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Moose Brook State Park
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Milan Hill State Park
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Rattle River Shelter
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Barnes Field Group Campground
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