Goose Pond Dam, also known as Sylvan Lake Dam, is a local government-owned structure in Keene, New Hampshire, situated on the Ashuelot River.
Wind
Humidity
Built in 1868, this earth dam stands at a height of 22 feet and stretches 210 feet in length, serving primarily for recreational purposes. With a storage capacity of 472 acre-feet and a drainage area of 1.63 square miles, the dam has a maximum discharge capacity of 1174.3 cubic feet per second and a spillway width of 63 feet.
Despite being classified with a high hazard potential, the condition assessment of Goose Pond Dam as of August 2017 was deemed satisfactory. Regular inspections are conducted, with the last one dated May 2019, and the dam has an inspection frequency of every 2 years. The dam's Emergency Action Plan (EAP) status and risk assessment indicate moderate risk, with no specific risk management measures mentioned. Overall, Goose Pond Dam stands as a significant structure for water resource and climate enthusiasts, providing recreation opportunities while posing challenges in terms of potential hazards and risk mitigation strategies.
Year Completed |
1868 |
Dam Length |
210 |
Dam Height |
22 |
River Or Stream |
TR ASHUELOT RIVER |
Primary Dam Type |
Earth |
Surface Area |
51 |
Drainage Area |
1.63 |
Nid Storage |
472 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
22 |
| Location | Reservations | Toilets |
|---|---|---|
Wheelock Park Campground
|
||
Pilgrim Pines Camping Area
|
||
Swanzey Lake Camping Area
|