Stony Run

STONY RUN· Union, Pennsylvania· Earth· 39 ft tall
Significant Hazard Water Supply State Government

Key Takeaway

Stony Run is classified as significant hazard in Pennsylvania. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 39 ft (taller than 76.2% in PA)
Dam Length230 ft
Dam TypeEarth
Max Storage34 acre-ft
Normal Storage26 acre-ft
Surface Area3 acres
Drainage Area1 sq mi
NID IDPA00588

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: January 10, 2014
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

DCNR

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Stony Run?

Stony Run is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Stony Run?

Stony Run is owned by DCNR (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Stony Run?

Stony Run 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 Stony Run?

Stony Run has a dam height of 39 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 Stony Run last inspected?

Stony Run was last inspected on January 10, 2014. 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.