Ellsworth (Detention Pond) Dam

N. Branch Raratin River-TR· Somerset, New Jersey· Earth· 9 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Ellsworth (Detention Pond) Dam is classified as significant hazard in New Jersey. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 9 ft (taller than 12.9% in NJ)
Dam Length400 ft
Dam TypeEarth
Normal Storage20 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge2,400 cfs
NID IDNJ00944

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: July 7, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Hills Village North Master Association

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ellsworth (Detention Pond) Dam?

Ellsworth (Detention 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 Ellsworth (Detention Pond) Dam?

Ellsworth (Detention Pond) Dam is owned by Hills Village North Master Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Ellsworth (Detention Pond) Dam?

Ellsworth (Detention Pond) Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Ellsworth (Detention Pond) Dam?

Ellsworth (Detention Pond) Dam has a dam height of 9 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 Ellsworth (Detention Pond) Dam last inspected?

Ellsworth (Detention Pond) Dam was last inspected on July 7, 2022. 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.