Jones Pond Dam, also known as Ellis Hatch Dam, is a state-owned structure located in Middleton, New Hampshire.
Wind
Humidity
Completed in 1981, this earth dam serves primarily for recreational purposes and is regulated by the NHDES Dam Bureau. With a height of 19 feet and a length of 567 feet, the dam has a storage capacity of 245 acre-feet and a surface area of 19 acres.
Despite its satisfactory condition assessment, Jones Pond Dam is classified as having a high hazard potential due to its location on Jones Brook. The dam's spillway type is uncontrolled with a width of 3 feet, and it is subject to regular inspections every two years. In the event of an emergency, the dam's emergency action plan (EAP) was last revised in 2014, but its compliance with guidelines and the preparedness of inundation maps are unclear.
Overall, Jones Pond Dam presents a moderate risk (3) in terms of potential hazards and risk management measures. For water resource and climate enthusiasts, this dam serves as a vital structure for recreational activities while highlighting the importance of proper regulation, inspection, and emergency preparedness in safeguarding water resources and mitigating risks associated with dam infrastructure.
Year Completed |
1981 |
Dam Length |
567 |
Dam Height |
19 |
River Or Stream |
JONES BROOK |
Primary Dam Type |
Earth |
Surface Area |
19 |
Drainage Area |
0.42 |
Nid Storage |
245 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
19 |