Englishtown Lake Dam

Matchaponix Brook· Monmouth, New Jersey· Built 1959· Earth· 13 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Englishtown Lake Dam is classified as significant hazard in New Jersey. It was completed in 1959 and is 67 years old. 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 Length300 ft
Dam TypeEarth
Normal Storage24 acre-ft
Surface Area7 acres
Drainage Area7 sq mi
Max Discharge779 cfs
Year Completed1959 (67 years old)
NID IDNJ00619

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: December 9, 2020
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Monmouth County Engineering

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Englishtown Lake Dam?

Englishtown 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 Englishtown Lake Dam?

Englishtown Lake Dam is owned by Monmouth County Engineering (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Englishtown Lake Dam built?

Englishtown Lake Dam was completed in 1959, making it 67 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 Englishtown Lake Dam?

Englishtown 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 Englishtown Lake Dam?

Englishtown 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 Englishtown Lake Dam last inspected?

Englishtown Lake Dam was last inspected on December 9, 2020. 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.