Sunapee, also known as River Road Dam or Sugar River Dam, is a picturesque masonry dam located in Newport, New Hampshire.
Wind
Humidity
Built in 1856, this historic structure serves a primary purpose of generating hydroelectric power from the Sugar River. With a height of 15 feet and a length of 71 feet, Sunapee has a storage capacity of 5 acre-feet and a maximum discharge of 600 cubic feet per second.
Managed by the local government and regulated by the New Hampshire Department of Environmental Services Dam Bureau, Sunapee is also under the oversight of the Federal Energy Regulatory Commission. Despite being classified as having a significant hazard potential, the dam's condition assessment is currently unavailable. However, regular inspections are conducted to ensure its safety and functionality. In case of emergencies, an emergency action plan is in place, although the last revision dates back to 2005.
For water resource and climate enthusiasts, Sunapee presents a fascinating blend of history, engineering, and environmental stewardship. As a vital component of the local hydroelectric infrastructure, this dam plays a crucial role in harnessing renewable energy from the Sugar River. Its location in the scenic Sullivan County offers a unique opportunity to appreciate the intersection of human ingenuity and natural resources. Despite the potential risks associated with its operation, Sunapee stands as a testament to the sustainable utilization of water resources for the benefit of the community.
Year Completed |
1856 |
Dam Length |
71 |
Dam Height |
15 |
River Or Stream |
Sugar River |
Primary Dam Type |
Masonry |
Surface Area |
1 |
Drainage Area |
45 |
Nid Storage |
5 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
Significant |
Nid Height |
15 |