Union Mill Lake Dam

Barton Run-TR· Burlington, New Jersey· Earth· 13 ft tall
Significant Hazard Recreation Private

Key Takeaway

Union Mill Lake Dam is classified as significant hazard in New Jersey. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 13 ft (taller than 39.5% in NJ)
Dam Length150 ft
Dam TypeEarth
Max Storage73 acre-ft
Normal Storage15 acre-ft
Surface Area4 acres
Max Discharge79 cfs
NID IDNJ00971

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 9, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

UMLCC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Union Mill Lake Dam?

Union Mill Lake 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 Union Mill Lake Dam?

Union Mill Lake Dam is owned by UMLCC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Union Mill Lake Dam?

Union Mill Lake 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 Union Mill Lake Dam?

Union Mill Lake Dam has a dam height of 13 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 Union Mill Lake Dam last inspected?

Union Mill Lake Dam was last inspected on November 9, 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.