Trout Lake

APPENZELL CREEK· Monroe, Pennsylvania· Built 1900· Earth· 24 ft tall
High Hazard Recreation Private

Key Takeaway

Trout Lake is classified as high hazard in Pennsylvania. It was completed in 1900 and is 126 years old. Its primary use is recreation. 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 24 ft (taller than 52.7% in PA)
Dam Length390 ft
Dam TypeEarth
Max Storage1.1K acre-ft
Normal Storage700 acre-ft
Surface Area96 acres
Drainage Area4 sq mi
Year Completed1900 (126 years old)
NID IDPA00769

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: January 11, 2021
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

CHASE MUTUAL, INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Trout Lake?

Trout Lake 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 Trout Lake?

Trout Lake is owned by CHASE MUTUAL, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Trout Lake built?

Trout Lake was completed in 1900, making it 126 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 Trout Lake?

Trout 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 Trout Lake?

Trout Lake has a dam height of 24 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 Trout Lake last inspected?

Trout Lake was last inspected on January 11, 2021. 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.