First Conn Lake South Bay Dike in Pittsburg, New Hampshire, is a private earth dam on the Connecticut River primarily used for recreation.
Wind
Humidity
Standing at a height of 14 feet and spanning 390 feet in length, this structure has a normal storage capacity of 15,950 acre-feet and a maximum storage of 38,950 acre-feet. With a surface area of 2,800 acres and a drainage area of 82 square miles, this dam plays a crucial role in managing water resources in the region.
Maintained and regulated by the NHDES Dam Bureau, First Conn Lake South Bay Dike has a low hazard potential and is currently assessed to be in fair condition as of June 2015. Despite its moderate risk level, the dam has not undergone any recent modifications and has an inspection frequency of 6 years. While the dam does not have a designated Emergency Action Plan (EAP) or inundation maps prepared, its risk management measures and overall safety protocols are continuously monitored to ensure public safety and environmental protection in the event of an emergency.
Overall, First Conn Lake South Bay Dike serves as a vital recreational structure on the Connecticut River, showcasing the importance of proper dam management and maintenance to safeguard water resources and mitigate potential risks associated with dam failure. As climate change continues to impact water availability and extreme weather events, the resilience and sustainability of such structures are paramount in ensuring the safety and well-being of local communities and ecosystems.
Dam Length |
390 |
Dam Height |
14 |
River Or Stream |
CONNECTICUT RIVER |
Primary Dam Type |
Earth |
Surface Area |
2800 |
Drainage Area |
82 |
Nid Storage |
38950 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
14 |
| Location | Reservations | Toilets |
|---|---|---|
Lake Francis State Park
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Deer Mountain
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Deer Mountain Campground
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Coleman State Park
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