Thousand Acre Lake Dam, also known as Blackberry River - Site 1, is a state-owned structure located in Berkshire, Massachusetts.
Wind
Humidity
Constructed in 1960 by the USDA NRCS, this earth dam serves the primary purpose of flood risk reduction along the Whiting River. Standing at a height of 33 feet with a hydraulic height of 24 feet, the dam spans a length of 600 feet and has a maximum storage capacity of 4,500 acre-feet.
Managed by the Department of Conservation and Recreation, Thousand Acre Lake Dam is regulated, permitted, inspected, and enforced by the state, ensuring its safety and adherence to operational guidelines. Despite being classified as having a high hazard potential, the dam's condition is assessed as fair, with the last inspection conducted in May 2018. The structure features uncontrolled spillways and outlet gates, with a moderate risk assessment rating.
Surrounded by recreational opportunities and serving as a habitat for fish and wildlife, Thousand Acre Lake Dam is a vital component of the local ecosystem. With its critical role in flood risk reduction and water management, this dam stands as a testament to the importance of infrastructure in safeguarding water resources and mitigating the impacts of climate change in the region.
Year Completed |
1960 |
Dam Length |
600 |
Dam Height |
33 |
River Or Stream |
WHITING RIVER |
Primary Dam Type |
Earth |
Surface Area |
0.24 |
Hydraulic Height |
24 |
Drainage Area |
4.5 |
Nid Storage |
4500 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
33 |
| Location | Reservations | Toilets |
|---|---|---|
Tolland State Forest
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Beartown State Forest
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Race Brook Campsites
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Laurel Ridge Campsite
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AT Thruhiker camping
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Sage's Ravine Campground
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