Five Mile is a historic dam located in Killingly, Connecticut, along the picturesque Five Mile River.
Wind
Humidity
Built in 1855, this masonry dam stands at 16.5 feet tall and has a length of 145 feet, creating a reservoir with a storage capacity of 260 acre-feet. With a drainage area of 77 square miles, the dam has a maximum discharge rate of 3100 cubic feet per second, making it a significant hydroelectric structure in the region.
Managed by a private owner, Five Mile is primarily used for hydroelectric purposes and is regulated by the Federal Energy Regulatory Commission. The dam has a spillway width of 135 feet and is classified as having a significant hazard potential. Despite its age, the dam's condition assessment is not available, highlighting the need for continued monitoring and maintenance to ensure its safety and longevity in the face of changing climate conditions.
Overall, Five Mile represents a blend of historical significance and modern utility, serving as both a key hydroelectric resource and a potential risk management challenge. Its location along the Five Mile River adds to its scenic charm, while its role in energy production underscores the importance of balancing water resource utilization with environmental stewardship in the context of climate change.
Year Completed |
1855 |
Dam Length |
145 |
Dam Height |
16.5 |
River Or Stream |
Five Mile River |
Primary Dam Type |
Masonry |
Surface Area |
65 |
Drainage Area |
77 |
Nid Storage |
260 |
Hazard Potential |
Significant |
Nid Height |
17 |
Quinebaug River At Putnam
|
616cfs |
Little River At Harrisville
|
85cfs |
Ponaganset River At South Foster
|
33cfs |
Quinebaug R At West Thompson
|
276cfs |
French R At N Grosvenordale
|
188cfs |
Little River Near Hanover
|
44cfs |