Mountain Creek Lake Dam

Black Creek-TR· Sussex, New Jersey· Built 1984· Earth· 12 ft tall
High Hazard Recreation Private

Key Takeaway

Mountain Creek Lake Dam is classified as high hazard in New Jersey. It was completed in 1984 and is 42 years old. 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 12 ft (taller than 31.2% in NJ)
Dam Length260 ft
Dam TypeEarth
Normal Storage100 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Year Completed1984 (42 years old)
NID IDNJ00840

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: April 29, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Mountain Creek Resort

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mountain Creek Lake Dam?

Mountain Creek 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 Mountain Creek Lake Dam?

Mountain Creek Lake Dam is owned by Mountain Creek Resort (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mountain Creek Lake Dam built?

Mountain Creek Lake Dam was completed in 1984, making it 42 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 Mountain Creek Lake Dam?

Mountain Creek 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 Mountain Creek Lake Dam?

Mountain Creek Lake Dam has a dam height of 12 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 Mountain Creek Lake Dam last inspected?

Mountain Creek Lake Dam was last inspected on April 29, 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.