Duffys Run

DUFFY RUN· Luzerne, Pennsylvania· Built 1966· Gravity· 14 ft tall
High Hazard Debris Control Local Government

Key Takeaway

Duffys Run is classified as high hazard in Pennsylvania. It was completed in 1966 and is 60 years old. Its primary use is debris control. 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 14 ft (taller than 23.9% in PA)
Dam Length81 ft
Dam TypeGravity
Max Storage1 acre-ft
Drainage Area0 sq mi
Year Completed1966 (60 years old)
NID IDPA01353

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 26, 2020
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

BOROUGH OF PLYMOUTH

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Duffys Run?

Duffys Run 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 Duffys Run?

Duffys Run is owned by BOROUGH OF PLYMOUTH (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Duffys Run built?

Duffys Run was completed in 1966, making it 60 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 Duffys Run?

Duffys Run serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Duffys Run?

Duffys Run has a dam height of 14 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 Duffys Run last inspected?

Duffys Run was last inspected on August 26, 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.