Great Hill Pond Dam, located in Portland, Connecticut, stands as a historic structure with a primary purpose of recreation.
Wind
Humidity
Constructed in 1870, this masonry dam spans 193 feet in length and reaches a height of 14 feet, providing a storage capacity of 358 acre-feet in the Great Hill Pond Brook watershed. The dam's surface area covers 71.6 acres, with a drainage area of 1.22 square miles, showcasing its importance in water resource management.
Despite its rich history and recreational significance, the dam is currently rated as having poor condition, with a significant hazard potential. Regular inspections conducted by the Connecticut Department of Energy and Environmental Protection (DEEP) ensure the safety and integrity of the structure, with the last assessment taking place in September 2020. The dam's emergency action plan (EAP) was last revised in December 2017, highlighting the importance of preparedness and risk management in safeguarding the surrounding community and environment from potential hazards.
As water resource and climate enthusiasts explore the intricate details of Great Hill Pond Dam, its role in water storage, recreation, and environmental protection becomes increasingly apparent. With its unique design and historical significance, the dam serves as a focal point for both local residents and conservation efforts, emphasizing the importance of maintaining and managing our water resources effectively in the face of changing climate conditions.
Year Completed |
1870 |
Dam Length |
193 |
Dam Height |
14 |
River Or Stream |
GREAT HILL POND BROOK |
Primary Dam Type |
Masonry |
Surface Area |
71.6 |
Drainage Area |
1.22 |
Nid Storage |
358 |
Hazard Potential |
Significant |
Nid Height |
14 |