Ryerson Station

NORTH FORK DUNKARD FORK· Greene, Pennsylvania· Built 1960· Concrete· 42 ft tall
High Hazard Recreation State Government

Key Takeaway

Ryerson Station is classified as high hazard in Pennsylvania. It was completed in 1960 and is 66 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 42 ft (taller than 78.8% in PA)
Dam Length515 ft
Dam TypeConcrete
Max Storage3.5K acre-ft
Normal Storage2.7K acre-ft
Surface Area62 acres
Drainage Area26 sq mi
Year Completed1960 (66 years old)
NID IDPA00193

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: No
Last Inspection: May 5, 2020
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 Ryerson Station?

Ryerson Station 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 Ryerson Station?

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

When was Ryerson Station built?

Ryerson Station was completed in 1960, making it 66 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 Ryerson Station?

Ryerson Station 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 Ryerson Station?

Ryerson Station has a dam height of 42 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 Ryerson Station last inspected?

Ryerson Station was last inspected on May 5, 2020. 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.