Stone Dam - Dike 7, located in Millinocket, Maine, is a crucial structure along the West Branch Penobscot River with a primary purpose of hydroelectric power generation.
Wind
Humidity
Built in 1900, this earth dam stands at 9 feet high and spans 235 feet in length, providing a storage capacity of 8100 acre-feet. The dam also serves various other purposes including flood risk reduction, recreation, and water supply for the surrounding area.
Managed by the Federal Energy Regulatory Commission, Stone Dam - Dike 7 has a low hazard potential and a high risk assessment rating of 2. Despite its age, the condition assessment of the dam is not available, highlighting the need for ongoing monitoring and inspection. The Emergency Action Plan for the dam was last revised in December 2018, emphasizing the importance of preparedness in case of any unforeseen events. With a drainage area of 1890 square miles, the dam plays a crucial role in regulating water flow and providing environmental benefits to the region.
Overall, Stone Dam - Dike 7 stands as a significant infrastructure for water resource management and climate resilience in Maine. As a key component in the hydroelectric power generation network, this dam plays a vital role in supporting various sectors while also ensuring the safety and well-being of the local communities. Ongoing maintenance and monitoring efforts will be essential to ensure the continued effectiveness and safety of this important structure in the years to come.
Year Completed |
1900 |
Dam Length |
235 |
Dam Height |
9 |
River Or Stream |
West Branch Penobscot River |
Surface Area |
1344 |
Drainage Area |
1890 |
Nid Storage |
8100 |
Hazard Potential |
Low |
Nid Height |
9 |
East Branch Penobscot River At Grindstone
|
943cfs |
Mattawamkeag River Near Mattawamkeag
|
1130cfs |
Piscataquis River At Medford
|
880cfs |
Penobscot River At West Enfield
|
16000cfs |
Seboeis River Near Shin Pond
|
156cfs |
Piscataquis River Near Dover-Foxcroft
|
2180cfs |
| Location | Reservations | Toilets |
|---|---|---|
Remote Site 5K
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Remote Site 5J
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Remote Site 4I
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Katahdin Shadows Campground
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Remote Sit 3G
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Remote Site 3H
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