Cranberry Lake Dam

Lubbers Run· Sussex, New Jersey· Earth· 18 ft tall

High Hazard Recreation State Government

Key Takeaway

Cranberry Lake Dam is classified as high hazard in New Jersey. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	18 ft (taller than 66.3% in NJ)
Dam Length	1,000 ft
Dam Type	Earth
Normal Storage	2.5K acre-ft

Surface Area	191 acres
Drainage Area	3 sq mi
Max Discharge	894 cfs
NID ID	NJ00325

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes

Last Inspection: July 31, 2020

State Regulated: Yes

Regulatory Agency: NJDEP

Ownership

Division of Parks and Forestry

State Government

Nearby Dams

Johnson Lake Dam

Sussex, NJ

Low Hazard 11 ft

Cub Lake Dam

Sussex, NJ

Significant Hazard 20 ft

Jefferson Lake Dike

Sussex, NJ

Low Hazard 14 ft

Forest Lake Dam

Sussex, NJ

High Hazard 20 ft

Jefferson Lake Dam

Sussex, NJ

Low Hazard 15 ft

Hemlock Lake Dam

Sussex, NJ

Significant Hazard 20 ft

Lake Lackawanna Dam

Sussex, NJ

Significant Hazard 15 ft

Upper Waterloo Lake Dam

Sussex, NJ

Low Hazard 9 ft

Frequently Asked Questions

What is the hazard classification of Cranberry Lake Dam?

Cranberry Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Cranberry Lake Dam?

Cranberry Lake Dam is owned by Division of Parks and Forestry (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Cranberry Lake Dam?

Cranberry 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 Cranberry Lake Dam?

Cranberry Lake Dam has a dam height of 18 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 Cranberry Lake Dam last inspected?

Cranberry Lake Dam was last inspected on July 31, 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.