Hermit Lake Dam, also known as Plummer Pond Dam or Weeks Pond Dam, is a state-owned structure located in Sanbornton, New Hampshire.
Wind
Humidity
Completed in 1927, this earth dam serves primarily for recreational purposes, providing a surface area of 220 acres for visitors to enjoy. Situated on Salmon Brook, the dam has a height of 20 feet and a length of 1320 feet, with a maximum discharge capacity of 3343 cubic feet per second.
Managed by the NHDES Dam Bureau, Hermit Lake Dam is inspected regularly and has a low hazard potential with a fair condition assessment. Despite its moderate risk level, the dam remains a popular spot for outdoor activities and water enthusiasts. With a normal storage capacity of 1233 acre-feet and a drainage area of 5.53 square miles, the dam continues to play a crucial role in water resource management and climate resilience efforts in the region.
Overall, Hermit Lake Dam stands as a historic landmark that not only provides recreational opportunities but also contributes to the environmental sustainability of Belknap County, New Hampshire. As climate change continues to impact water resources, the maintenance and regulation of dams like Hermit Lake Dam are essential for ensuring the safety and well-being of the community while preserving the natural beauty of the surrounding area.
Year Completed |
1927 |
Dam Length |
1320 |
Dam Height |
20 |
River Or Stream |
SALMON BROOK |
Primary Dam Type |
Earth |
Surface Area |
220 |
Drainage Area |
5.53 |
Nid Storage |
1892 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
20 |
Smith River Near Bristol
|
35cfs |
Winnipesaukee River At Tilton
|
85cfs |
Merrimack River At Franklin Junction
|
857cfs |
Pemigewasset River At Plymouth
|
407cfs |
Blackwater River Near Webster
|
19cfs |
Baker River Near Rumney
|
69cfs |
| Location | Reservations | Toilets |
|---|---|---|
Owl's Landing Campground
|
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Wister #1
|
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Heron Cove
|
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Wister #4
|
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Wister #3
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Wister #2
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