Little Blue Run

LITTLE BLUE RUN· Beaver, Pennsylvania· Built 1977· Rockfill· 400 ft tall
High Hazard Other Private

Key Takeaway

Little Blue Run is classified as high hazard in Pennsylvania. It was completed in 1977 and is 49 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 400 ft (taller than 99.9% in PA)
Dam Length2,100 ft
Dam TypeRockfill
Max Storage73.0K acre-ft
Normal Storage64.8K acre-ft
Surface Area770 acres
Drainage Area3 sq mi
Year Completed1977 (49 years old)
NID IDPA00917

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 26, 2021
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

FIRSTENERGY GENERATION, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Little Blue Run?

Little Blue Run 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 Little Blue Run?

Little Blue Run is owned by FIRSTENERGY GENERATION, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Little Blue Run built?

Little Blue Run was completed in 1977, making it 49 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 Little Blue Run?

Little Blue Run 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 Little Blue Run?

Little Blue Run has a dam height of 400 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 Little Blue Run last inspected?

Little Blue Run was last inspected on March 26, 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.