Lake Gerard Dike B

Franklin Pond Creek· Sussex, New Jersey· Earth· 15 ft tall

High Hazard Recreation Private

Key Takeaway

Lake Gerard Dike B 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	15 ft (taller than 51.4% in NJ)
Dam Length	330 ft
Dam Type	Earth
Max Storage	1.2K acre-ft
Normal Storage	960 acre-ft

Surface Area	105 acres
Drainage Area	2 sq mi
NID ID	NJ00962

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: June 8, 2022

State Regulated: Yes

Regulatory Agency: NJDEP

Ownership

Lake Gerard, LLC

Private

Nearby Dams

Lake Gerard Dam A

Sussex, NJ

High Hazard 16 ft

Lake Gerard Dike C

Sussex, NJ

High Hazard 12 ft

Summit Lake Dam

Sussex, NJ

Significant Hazard 5 ft

Lake Gerard Dam

Sussex, NJ

High Hazard 10 ft

Lake Tamarack Dam

Sussex, NJ

High Hazard 10 ft

Fawn Lake Dam

Sussex, NJ

Significant Hazard 22 ft

Deer Trail Lake Dam

Sussex, NJ

Significant Hazard 28 ft

Silver Lake Dam

Sussex, NJ

Low Hazard 11 ft

Frequently Asked Questions

What is the hazard classification of Lake Gerard Dike B?

Lake Gerard Dike B 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 Lake Gerard Dike B?

Lake Gerard Dike B is owned by Lake Gerard, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lake Gerard Dike B?

Lake Gerard Dike B 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 Lake Gerard Dike B?

Lake Gerard Dike B has a dam height of 15 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 Lake Gerard Dike B last inspected?

Lake Gerard Dike B was last inspected on June 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.