Rocco Bunlno Dam

Saddle River· Bergen, New Jersey· Built 1956· Earth· 19 ft tall
Significant Hazard Recreation Private

Key Takeaway

Rocco Bunlno Dam is classified as significant hazard in New Jersey. It was completed in 1956 and is 70 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 19 ft (taller than 70% in NJ)
Dam Length137 ft
Dam TypeEarth
Max Storage6 acre-ft
Normal Storage4 acre-ft
Surface Area1 acres
Drainage Area1 sq mi
Max Discharge1,000 cfs
Year Completed1956 (70 years old)
NID IDNJ00845

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: October 8, 2021
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Dun Liang

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rocco Bunlno Dam?

Rocco Bunlno Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Rocco Bunlno Dam?

Rocco Bunlno Dam is owned by Dun Liang (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rocco Bunlno Dam built?

Rocco Bunlno Dam was completed in 1956, making it 70 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Rocco Bunlno Dam?

Rocco Bunlno Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Rocco Bunlno Dam?

Rocco Bunlno Dam has a dam height of 19 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Rocco Bunlno Dam last inspected?

Rocco Bunlno Dam was last inspected on October 8, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.