Yards Creek Lower - Main Dam

Yards Creek· Warren, New Jersey· Built 1965· Earth· 55 ft tall
High Hazard Hydroelectric Private

Key Takeaway

Yards Creek Lower - Main Dam is classified as high hazard in New Jersey. It was completed in 1965 and is 61 years old. Its primary use is hydroelectric. 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 55 ft (taller than 97% in NJ)
Dam Length1,450 ft
Dam TypeEarth
Max Storage5.4K acre-ft
Normal Storage5.4K acre-ft
Surface Area310 acres
Drainage Area5 sq mi
Max Discharge8,895 cfs
Year Completed1965 (61 years old)
NID IDNJ00159

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: August 24, 2022
State Regulated: Yes
Regulatory Agency: NJDEP

Ownership

Yards Creek Energy, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Yards Creek Lower - Main Dam?

Yards Creek Lower - Main 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 Yards Creek Lower - Main Dam?

Yards Creek Lower - Main Dam is owned by Yards Creek Energy, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Yards Creek Lower - Main Dam built?

Yards Creek Lower - Main Dam was completed in 1965, making it 61 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 Yards Creek Lower - Main Dam?

Yards Creek Lower - Main Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Yards Creek Lower - Main Dam?

Yards Creek Lower - Main Dam has a dam height of 55 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 Yards Creek Lower - Main Dam last inspected?

Yards Creek Lower - Main Dam was last inspected on August 24, 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.