Gillan Pond Dam, located in Gilmanton, New Hampshire, was completed in 1971 and serves as a recreational spot for water resource and climate enthusiasts.
Wind
Humidity
The dam, primarily constructed for recreational purposes, is an earth dam with a height of 10 feet and a length of 300 feet. It impounds Nelson Brook, creating a surface area of 40 acres and a storage capacity of 333 acre-feet.
Despite its low hazard potential, the dam is in poor condition and is regulated by the New Hampshire Department of Environmental Services Dam Bureau. It undergoes regular inspections, with the last one conducted in September 2017. The dam has a moderate risk assessment rating, and there are no emergency action plans in place. Overall, Gillan Pond Dam presents an opportunity for recreational activities while also highlighting the importance of maintaining and monitoring dam infrastructure for the safety of surrounding communities and the environment.
Year Completed |
1971 |
Dam Length |
300 |
Dam Height |
10 |
River Or Stream |
NELSON BROOK |
Primary Dam Type |
Earth |
Surface Area |
40 |
Drainage Area |
5.4 |
Nid Storage |
333 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
10 |
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85cfs |
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62cfs |
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857cfs |
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22cfs |
Blackwater River Near Webster
|
19cfs |
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35cfs |