Lake Somerset

EAST BRANCH COXES CREEK· Somerset, Pennsylvania· Built 1956· Earth· 23 ft tall
High Hazard Recreation State Government

Key Takeaway

Lake Somerset is classified as high hazard in Pennsylvania. It was completed in 1956 and is 70 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 23 ft (taller than 51% in PA)
Dam Length1,550 ft
Dam TypeEarth
Max Storage2.7K acre-ft
Normal Storage1.1K acre-ft
Surface Area253 acres
Drainage Area4 sq mi
Year Completed1956 (70 years old)
NID IDPA00229

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: March 12, 2021
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

PA FISH & BOAT COMMISSION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Somerset?

Lake Somerset 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 Lake Somerset?

Lake Somerset is owned by PA FISH & BOAT COMMISSION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Somerset built?

Lake Somerset was completed in 1956, making it 70 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 Lake Somerset?

Lake Somerset 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 Lake Somerset?

Lake Somerset has a dam height of 23 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 Lake Somerset last inspected?

Lake Somerset was last inspected on March 12, 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.