H A Stewart

TROUT RUN· Westmoreland, Pennsylvania· Built 1920· Earth· 86 ft tall

High Hazard Water Supply Local Government

Key Takeaway

H A Stewart is classified as high hazard in Pennsylvania. It was completed in 1920 and is 106 years old. Its primary use is water supply. 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	86 ft (taller than 94% in PA)
Dam Length	600 ft
Dam Type	Earth
Max Storage	6.3K acre-ft
Normal Storage	3.7K acre-ft

Surface Area	136 acres
Drainage Area	6 sq mi
Year Completed	1920 (106 years old)
NID ID	PA00479

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: October 22, 2020

State Regulated: Yes

Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

LATROBE MUNICIPAL AUTHORITY

Local Government

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Frequently Asked Questions

What is the hazard classification of H A Stewart?

H A Stewart 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 H A Stewart?

H A Stewart is owned by LATROBE MUNICIPAL AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was H A Stewart built?

H A Stewart was completed in 1920, making it 106 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 H A Stewart?

H A Stewart serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is H A Stewart?

H A Stewart has a dam height of 86 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 H A Stewart last inspected?

H A Stewart was last inspected on October 22, 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.