Cub Lake Dam

Pequest River-TR· Sussex, New Jersey· Concrete· 20 ft tall
Significant Hazard Recreation Private

Key Takeaway

Cub 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 20 ft (taller than 72.4% in NJ)
Dam Length220 ft
Dam TypeConcrete
Normal Storage200 acre-ft
Surface Area28 acres
Drainage Area1 sq mi
Max Discharge1,560 cfs
NID IDNJ00145

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

Ownership

Donald Cocchi

Private

Nearby Dams

Forest Lake Dam

Sussex, NJ

High Hazard 20 ft

Hemlock Lake Dam

Sussex, NJ

Significant Hazard 20 ft

Johnson Lake Dam

Sussex, NJ

Low Hazard 11 ft

Cranberry Lake Dam

Sussex, NJ

High Hazard 18 ft

Lake Lenape Dam

Sussex, NJ

High Hazard 27 ft

Lake Aeroflex Dam

Sussex, NJ

Low Hazard 15 ft

Lake Lackawanna Dam

Sussex, NJ

Significant Hazard 15 ft

Jefferson Lake Dike

Sussex, NJ

Low Hazard 14 ft

Frequently Asked Questions

What is the hazard classification of Cub Lake Dam?

Cub 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 Cub Lake Dam?

Cub Lake Dam is owned by Donald Cocchi (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Cub Lake Dam?

Cub 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 Cub Lake Dam?

Cub Lake Dam has a dam height of 20 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 Cub Lake Dam last inspected?

Cub Lake Dam was last inspected on October 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.