Round Valley North Dam is a significant earth dam located in Hunterdon County, New Jersey, specifically in the city of Lebanon.
Wind
Humidity
Completed in 1961, this dam stands at a height of 135 feet and has a length of 1460 feet, providing crucial water supply to the region. With a storage capacity of 196,600 acre-feet and a surface area of 2350 acres, it plays a vital role in managing the water resources in the area.
The dam is owned and regulated by the state of New Jersey, with the New Jersey Department of Environmental Protection overseeing its permitting, inspection, and enforcement. Despite its high hazard potential, the dam is currently assessed as being in poor condition. Regular inspections are conducted, with the last assessment taking place in October 2020. The dam's Emergency Action Plan was last revised in April 2021, ensuring preparedness in case of any unforeseen events.
Located on the South Branch Rockaway-TR river, Round Valley North Dam not only serves as a water supply source but also plays a critical role in flood control and water management in the region. With its historical significance and ongoing maintenance efforts, this dam continues to be a key structure for water resource and climate enthusiasts to study and monitor in the state of New Jersey.
Year Completed |
1961 |
Dam Length |
1460 |
Dam Height |
135 |
River Or Stream |
South Branch Rockaway-TR |
Primary Dam Type |
Earth |
Surface Area |
2350 |
Drainage Area |
5.4 |
Nid Storage |
196600 |
Hazard Potential |
High |
Nid Height |
135 |