Slabtown Lake Dam

Salem River· Salem, New Jersey· Built 1926· Earth· 10 ft tall
Low Hazard Recreation Private

Key Takeaway

Slabtown Lake Dam is classified as low hazard in New Jersey. It was completed in 1926 and is 100 years old. Its primary use is recreation.

Physical Details

Dam Height 10 ft (taller than 17.8% in NJ)
Dam Length440 ft
Dam TypeEarth
Max Storage73 acre-ft
Normal Storage42 acre-ft
Surface Area16 acres
Drainage Area5 sq mi
Max Discharge1,020 cfs
Year Completed1926 (100 years old)
NID IDNJ00116

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: April 8, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Jodi and Mark Leonetti

Private

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Sadies Dam

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Camp Karney Dam

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New Jersey No Name # 131 Dam

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Ballingers Mill Pond Dam

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Algonkin Dam

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Roosevelt Camp Dam

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East Lake Dam

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Significant Hazard 11 ft

Frequently Asked Questions

What is the hazard classification of Slabtown Lake Dam?

Slabtown Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Slabtown Lake Dam?

Slabtown Lake Dam is owned by Jodi and Mark Leonetti (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Slabtown Lake Dam built?

Slabtown Lake Dam was completed in 1926, making it 100 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 Slabtown Lake Dam?

Slabtown 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 Slabtown Lake Dam?

Slabtown Lake Dam has a dam height of 10 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 Slabtown Lake Dam last inspected?

Slabtown Lake Dam was last inspected on April 8, 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.