Horne No 5 Slurry

TR HORN RUN· Washington, Pennsylvania· Built 1984· Earth· 146 ft tall
High Hazard Other Private

Key Takeaway

Horne No 5 Slurry is classified as high hazard in Pennsylvania. It was completed in 1984 and is 42 years old. Its primary use is other. 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 146 ft (taller than 98.3% in PA)
Dam Length1,460 ft
Dam TypeEarth
Max Storage1.8K acre-ft
Normal Storage273 acre-ft
Surface Area28 acres
Drainage Area0 sq mi
Year Completed1984 (42 years old)
NID IDPA01271

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: December 4, 2019
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

PRISTINE RESOURCES, INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Horne No 5 Slurry?

Horne No 5 Slurry 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 Horne No 5 Slurry?

Horne No 5 Slurry is owned by PRISTINE RESOURCES, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Horne No 5 Slurry built?

Horne No 5 Slurry 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 Horne No 5 Slurry?

Horne No 5 Slurry serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Horne No 5 Slurry?

Horne No 5 Slurry has a dam height of 146 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 Horne No 5 Slurry last inspected?

Horne No 5 Slurry was last inspected on December 4, 2019. 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.