Located in Powerville, Morris County, New Jersey, the New Jersey No Name # 71 Dam is a privately owned structure primarily used for recreation.
Wind
Humidity
Built in 1901, this earth dam stands at a height of 12 feet and stretches 165 feet in length. With a storage capacity of 144 acre-feet and a normal storage level of 107 acre-feet, the dam serves as a key feature along the Rockaway River-TR.
Despite being classified as having a low hazard potential and fair condition, the New Jersey No Name # 71 Dam is subject to regular state inspection, enforcement, and permitting by the New Jersey Department of Environmental Protection (NJDEP). The dam's last inspection was conducted in July 2016, with a scheduled inspection frequency of every 4 years. Although no emergency action plan (EAP) is currently in place, the dam's risk assessment and management measures remain unspecified.
Congressional District 11's representative, Mikie Sherrill (D), oversees the area where the dam is situated, ensuring its compliance with state regulations and safety standards. As a focal point for recreational activities, the New Jersey No Name # 71 Dam continues to play a vital role in the local community, providing both leisure opportunities and essential water resource management along the Rockaway River-TR.
Year Completed |
1901 |
Dam Length |
165 |
Dam Height |
12 |
River Or Stream |
Rockaway River-TR |
Primary Dam Type |
Earth |
Surface Area |
17 |
Drainage Area |
1.7 |
Nid Storage |
144 |
Hazard Potential |
Low |
Nid Height |
12 |