Swains Lake Dam, also known as Union Lake Dam, is a vital structure located in Barrington, New Hampshire, along the Bellamy River.
Wind
Humidity
Built in 1890, this Earth-type dam stands at a height of 17 feet and spans a length of 433 feet, providing a recreational oasis for locals and visitors alike. With a storage capacity of 3,558 acre-feet and a surface area of 407 acres, the dam offers a serene escape amidst the natural beauty of Strafford County.
Maintained by the NHDES DAM BUREAU, Swains Lake Dam is regulated and inspected by the state, ensuring its structural integrity and safety. Despite being classified as having a high hazard potential, the dam has been deemed satisfactory in its condition assessment as of June 2017. The dam's spillway, with a width of 12 feet, serves as an uncontrolled outlet for excess water, while its moderate risk assessment (3 out of 5) highlights the importance of ongoing risk management measures to protect the surrounding community and environment.
As a cherished recreational resource in the region, Swains Lake Dam not only offers a picturesque setting for outdoor activities but also plays a crucial role in water resource management and climate resilience efforts. Its historical significance and continued maintenance underscore the importance of balancing human enjoyment with environmental stewardship to ensure the longevity and sustainability of this essential infrastructure.
Year Completed |
1890 |
Dam Length |
433 |
Dam Height |
17 |
River Or Stream |
BELLAMY RIVER |
Primary Dam Type |
Earth |
Surface Area |
407 |
Drainage Area |
3.02 |
Nid Storage |
3558 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
17 |
| Location | Reservations | Toilets |
|---|---|---|
Old Stage Campground
|
||
Saddleback Campground
|
||
Remote Campsite
|