Tannery Pond in Winchendon, Massachusetts, is a historic masonry dam completed in 1936 for hydroelectric purposes along the Millers River.
Wind
Humidity
With a dam height of 10 feet and a length of 248 feet, it has a storage capacity of 51 acre-feet and a maximum discharge rate of 3000 cubic feet per second. The spillway, controlled with a width of 144 feet, ensures safe water release during high flow events.
Managed by the Federal Energy Regulatory Commission, Tannery Pond has a low hazard potential and a very high risk assessment rating. Despite its age, the dam's condition assessment is not available, and it has not been inspected since August 2017. The emergency action plan was last revised in 2010, and there are no inundation maps or risk management measures in place.
As a significant piece of infrastructure in the region, Tannery Pond serves as a reminder of the intersection between water resources, climate considerations, and the need for proactive risk management to ensure its continued safety and functionality for both energy production and water management in the area.
Year Completed |
1936 |
Dam Length |
248 |
Dam Height |
10 |
River Or Stream |
Millers River |
Primary Dam Type |
Masonry |
Surface Area |
9 |
Drainage Area |
54 |
Nid Storage |
51 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
Low |
Nid Height |
10 |
| Location | Reservations | Toilets |
|---|---|---|
Lake Dennison State Park
|
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East Dennison Camping Area
|
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North Dennison Camping Area
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Otter River State Forest
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Beaman Pond Campground
|
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Tully Lake
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