Pine Lake Park Dam

Union Branch Toms River· Ocean, New Jersey· Built 1931· Earth· 16 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Pine Lake Park Dam is classified as significant hazard in New Jersey. It was completed in 1931 and is 95 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 16 ft (taller than 59.4% in NJ)
Dam Length260 ft
Dam TypeEarth
Max Storage843 acre-ft
Normal Storage357 acre-ft
Surface Area150 acres
Drainage Area63 sq mi
Max Discharge3,513 cfs
Year Completed1931 (95 years old)
NID IDNJ00091

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: March 2, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Township of Manchester

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pine Lake Park Dam?

Pine Lake Park 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 Pine Lake Park Dam?

Pine Lake Park Dam is owned by Township of Manchester (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pine Lake Park Dam built?

Pine Lake Park Dam was completed in 1931, making it 95 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 Pine Lake Park Dam?

Pine Lake Park 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 Pine Lake Park Dam?

Pine Lake Park Dam has a dam height of 16 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 Pine Lake Park Dam last inspected?

Pine Lake Park Dam was last inspected on March 2, 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.