Marshall Lake

NORTH FORK PINE CREEK· Allegheny, Pennsylvania· Earth· 14 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Marshall Lake is classified as low hazard in Pennsylvania. Its primary use is recreation.

Physical Details

Dam Height 14 ft (taller than 23.9% in PA)
Dam TypeEarth
Max Storage67 acre-ft
Drainage Area8 sq mi
NID IDPA01726

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: July 11, 2017
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

ALLEGHENY COUNTY DEPARTMENT OF ENGINEERING

Local Government

Nearby Dams

Breckenridge Detention

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Pine Creek (North Park Lake)

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High Hazard 33 ft

Village At Pine

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Significant Hazard 15 ft

Spring Valley Lake

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Low Hazard 43 ft

Duncan Ave West Flood Control

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Significant Hazard 34 ft

Laroche College Detention Basin #1

Allegheny, PA

Significant Hazard 18 ft

Laroche College Detention Basin #2

Allegheny, PA

Significant Hazard 17 ft

Wittmer Road Detention

Allegheny, PA

High Hazard 25 ft

Frequently Asked Questions

What is the hazard classification of Marshall Lake?

Marshall Lake is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Marshall Lake?

Marshall Lake is owned by ALLEGHENY COUNTY DEPARTMENT OF ENGINEERING (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Marshall Lake?

Marshall Lake 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 Marshall Lake?

Marshall Lake 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 Marshall Lake last inspected?

Marshall Lake was last inspected on July 11, 2017. 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.