Lost Lake Dam in Groton, Massachusetts, stands as a concrete gravity dam with a primary purpose of recreation.
Wind
Humidity
Completed in 1910, the dam has a height of 10 feet and a hydraulic height of 8 feet, providing a storage capacity of 1,960 acre-feet. The dam, located on Martin's Pond Brook, serves as a popular spot for outdoor enthusiasts seeking to enjoy the surrounding surface area of 300 acres for recreational activities.
Maintained by the Department of Conservation and Recreation, the dam is regulated by the state of Massachusetts, with inspections occurring every two years. Despite being categorized as having a high hazard potential, the dam's condition is currently assessed as satisfactory. In case of emergencies, the dam has an Emergency Action Plan in place, last revised in August 2016. With its controlled spillway and very high risk assessment rating, the Lost Lake Dam presents a crucial infrastructure for water resource management and climate resilience efforts in the region.
Lost Lake Dam not only serves as a recreational hub but also plays a key role in water storage and management in Middlesex County. With its historical significance dating back over a century, the dam continues to be a focal point for water resource and climate enthusiasts. As efforts to enhance risk management measures and emergency preparedness are ongoing, the Lost Lake Dam remains a vital asset for the community, highlighting the intersection of conservation, recreation, and infrastructure in the region.
Year Completed |
1910 |
Dam Length |
100 |
Dam Height |
10 |
River Or Stream |
MARTIN'S POND BROOK |
Primary Dam Type |
Concrete |
Surface Area |
300 |
Hydraulic Height |
8 |
Drainage Area |
5.2 |
Nid Storage |
1960 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
10 |