Lackawanna

SOUTH BRANCH TUNKHANNOCK CREEK· Lackawanna, Pennsylvania· Built 1971· Rockfill· 69 ft tall

High Hazard Recreation State Government

Key Takeaway

Lackawanna is classified as high hazard in Pennsylvania. It was completed in 1971 and is 55 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	69 ft (taller than 91.4% in PA)
Dam Length	350 ft
Dam Type	Rockfill
Max Storage	14.2K acre-ft
Normal Storage	2.4K acre-ft

Surface Area	202 acres
Drainage Area	45 sq mi
Year Completed	1971 (55 years old)
NID ID	PA00913

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: August 31, 2020

State Regulated: Yes

Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

DCNR

State Government

Nearby Dams

Trostle Pond

Lackawanna, PA

Significant Hazard 15 ft

Glenburn Pond

Lackawanna, PA

High Hazard 16 ft

Oakford Glen

Lackawanna, PA

Significant Hazard 22 ft

Baylors Lake

Lackawanna, PA

Low Hazard 9 ft

Needle

Lackawanna, PA

Low Hazard 11 ft

Duck Pond

Lackawanna, PA

High Hazard 17 ft

Lake Sheridan

Wyoming, PA

High Hazard 10 ft

Griffin

Lackawanna, PA

High Hazard 40 ft

Frequently Asked Questions

What is the hazard classification of Lackawanna?

Lackawanna 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 Lackawanna?

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

When was Lackawanna built?

Lackawanna was completed in 1971, making it 55 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 Lackawanna?

Lackawanna 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 Lackawanna?

Lackawanna has a dam height of 69 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 Lackawanna last inspected?

Lackawanna was last inspected on August 31, 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.