Gregg Falls, also known as Glenn Lake Dam, is a captivating hydroelectric structure located in Pinardville, New Hampshire.
Wind
Humidity
Built in 1917, this dam stands at a height of 66 feet and has a length of 1360 feet, with a storage capacity of 3650 acre-feet. Its primary purpose is hydroelectric power generation, while also serving for fire protection, stock, small fish pond, and recreation purposes.
Managed by the New Hampshire Department of Environmental Services Dam Bureau, Gregg Falls is regulated and inspected regularly to ensure its safety and compliance with state laws. With a high hazard potential due to its location on the Piscataquog River, the dam poses a moderate risk and is equipped with uncontrolled spillways and slide gates for water management. Despite its age, Gregg Falls continues to play a vital role in the local water resource management and contributes to the region's energy infrastructure.
As a significant landmark in Hillsborough County, Gregg Falls represents a blend of history, technology, and environmental stewardship. With its gravity, earth, and concrete construction, the dam symbolizes the intersection of human ingenuity and natural resources, showcasing the importance of sustainable water management practices. For water resource and climate enthusiasts, Gregg Falls serves as a reminder of the crucial role that infrastructure plays in shaping our relationship with the environment and the need for ongoing monitoring and maintenance to ensure its longevity and safety.
Year Completed |
1917 |
Dam Length |
1360 |
Dam Height |
66 |
River Or Stream |
Piscataquog River |
Surface Area |
138 |
Drainage Area |
200 |
Nid Storage |
3650 |
Outlet Gates |
Slide (sluice gate) - 2 |
Hazard Potential |
High |
Nid Height |
66 |