Crystal Run Reservoir

CRYSTAL RUN· Schuylkill, Pennsylvania· Built 1898· Earth· 38 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Crystal Run Reservoir is classified as high hazard in Pennsylvania. It was completed in 1898 and is 128 years old. Its primary use is water supply. 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 38 ft (taller than 75.2% in PA)
Dam Length450 ft
Dam TypeEarth
Max Storage310 acre-ft
Normal Storage200 acre-ft
Surface Area18 acres
Drainage Area5 sq mi
Year Completed1898 (128 years old)
NID IDPA00677

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: November 5, 2020
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

MUNICIPAL AUTHORITY OF THE TOWNSHIP OF BLYTHE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crystal Run Reservoir?

Crystal Run Reservoir 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 Crystal Run Reservoir?

Crystal Run Reservoir is owned by MUNICIPAL AUTHORITY OF THE TOWNSHIP OF BLYTHE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crystal Run Reservoir built?

Crystal Run Reservoir was completed in 1898, making it 128 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 Crystal Run Reservoir?

Crystal Run Reservoir 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 Crystal Run Reservoir?

Crystal Run Reservoir has a dam height of 38 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 Crystal Run Reservoir last inspected?

Crystal Run Reservoir was last inspected on November 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.