Lake Natalie

LEHIGH RIVER· Lackawanna, Pennsylvania· Built 1900· Rockfill· 10 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Natalie is classified as high hazard in Pennsylvania. It was completed in 1900 and is 126 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 10 ft (taller than 8.3% in PA)
Dam Length320 ft
Dam TypeRockfill
Max Storage163 acre-ft
Normal Storage132 acre-ft
Surface Area44 acres
Drainage Area16 sq mi
Year Completed1900 (126 years old)
NID IDPA00151

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: December 15, 2020
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

BIG BASS LAKE COMMUNITY ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Natalie?

Lake Natalie 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 Lake Natalie?

Lake Natalie is owned by BIG BASS LAKE COMMUNITY ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Natalie built?

Lake Natalie was completed in 1900, making it 126 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 Lake Natalie?

Lake Natalie 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 Lake Natalie?

Lake Natalie has a dam height of 10 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 Lake Natalie last inspected?

Lake Natalie was last inspected on December 15, 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.