Stony Brook W.S.
Wind
Humidity
Site 11 (Amwell) Dam, located in East Amwell Township, New Jersey, was completed in 1963 with a primary purpose of flood risk reduction along the Stony Brook-TR. This earth dam stands at a height of 22 feet and has a length of 951 feet, providing a storage capacity of 41 acre-feet and covering a surface area of 10 acres. The dam is owned and regulated by the state of New Jersey, specifically by the NJ Department of Environmental Protection (NJDEP), and is funded, designed, and constructed by the Natural Resources Conservation Service.
Despite being categorized as having a significant hazard potential, the condition assessment of Stony Brook W.S. Site 11 (Amwell) Dam is rated as fair, with the last inspection taking place in July 2020. The dam has an inspection frequency of 2 years and is in compliance with state permitting, inspection, and enforcement regulations. While there are no associated structures or locks, the dam serves as an essential infrastructure for flood risk mitigation in the region and is monitored closely to ensure public safety and environmental protection.
With Congressman Tom Malinowski representing the area in Congressional District 07, Stony Brook W.S. Site 11 (Amwell) Dam plays a crucial role in managing water resources and climate resilience in Hunterdon County, New Jersey. As a key component in the local watershed system, this dam serves as a vital tool in reducing flood risks and safeguarding the community against potential disasters. Keeping a close eye on its maintenance and structural integrity remains a top priority to ensure its continued effectiveness in protecting the surrounding area from water-related hazards.
Year Completed |
1963 |
Dam Length |
951 |
Dam Height |
22 |
River Or Stream |
Stony Brook-TR |
Primary Dam Type |
Earth |
Surface Area |
10 |
Drainage Area |
0.93 |
Nid Storage |
41 |
Hazard Potential |
Significant |
Nid Height |
22 |