Henion Pond Dam

Pequannock River-TR· Passaic, New Jersey· Built 1926· Earth· 10 ft tall
Significant Hazard Recreation Private

Key Takeaway

Henion Pond Dam is classified as significant hazard in New Jersey. It was completed in 1926 and is 100 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 17.8% in NJ)
Dam Length675 ft
Dam TypeEarth
Normal Storage301 acre-ft
Surface Area45 acres
Drainage Area1 sq mi
Year Completed1926 (100 years old)
NID IDNJ00224

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: November 24, 2021
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Hands in 4 Youths

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Henion Pond Dam?

Henion Pond 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 Henion Pond Dam?

Henion Pond Dam is owned by Hands in 4 Youths (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Henion Pond Dam built?

Henion Pond Dam was completed in 1926, making it 100 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 Henion Pond Dam?

Henion Pond 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 Henion Pond Dam?

Henion Pond Dam has a dam height of 10 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 Henion Pond Dam last inspected?

Henion Pond Dam was last inspected on November 24, 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.