Johnsons Pond Dam, located in Groveland, Massachusetts, is a crucial structure owned by the local government for water supply purposes.
Wind
Humidity
Completed in 1930, this earth dam stands at a height of 8.5 feet with a hydraulic height of 7.5 feet, serving as a significant resource for the surrounding area. With a normal storage capacity of 810 acre-feet and a drainage area of 4.95 square miles, the dam plays a vital role in ensuring water availability for the community.
Regulated by the Department of Conservation and Recreation in Massachusetts, Johnsons Pond Dam has a fair condition assessment and a significant hazard potential. Despite being classified as moderate risk, the dam has had its last inspection in December 2017, with a frequency of every 5 years. With a spillway type of uncontrolled, the dam's design features a buttress core type and serves as a tributary of Johnson Creek, further highlighting its importance in managing water resources for the region.
Overall, Johnsons Pond Dam stands as a testament to the careful management of water resources in Essex County, Massachusetts. With its strategic location and purposeful design, this dam is a critical infrastructure for water supply and plays a key role in supporting the local community's needs. As climate change impacts water availability, the regulation and maintenance of Johnsons Pond Dam will be essential in ensuring a sustainable water supply for years to come.
Year Completed |
1930 |
Dam Length |
180 |
Dam Height |
8.5 |
River Or Stream |
TRIBUTARY OF JOHNSON CREEK |
Primary Dam Type |
Earth |
Surface Area |
186 |
Hydraulic Height |
7.5 |
Drainage Area |
4.95 |
Nid Storage |
1900 |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
9 |