Algonkin Dam

Oldman's Creek· Salem, New Jersey· Built 1924· Earth· 14 ft tall
Significant Hazard Recreation Private

Key Takeaway

Algonkin Dam is classified as significant hazard in New Jersey. It was completed in 1924 and is 102 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 14 ft (taller than 46.2% in NJ)
Dam Length320 ft
Dam TypeEarth
Normal Storage93 acre-ft
Surface Area10 acres
Drainage Area6 sq mi
Max Discharge468 cfs
Year Completed1924 (102 years old)
NID IDNJ00115

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: April 21, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Bancroft NeuroHealth

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Algonkin Dam?

Algonkin 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 Algonkin Dam?

Algonkin Dam is owned by Bancroft NeuroHealth (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Algonkin Dam built?

Algonkin Dam was completed in 1924, making it 102 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 Algonkin Dam?

Algonkin 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 Algonkin Dam?

Algonkin Dam has a dam height of 14 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 Algonkin Dam last inspected?

Algonkin Dam was last inspected on April 21, 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.