Browns Falls

East Branch Oswegatchie River· St. Lawrence, New York· Built 1922· Concrete· 69 ft tall
High Hazard Hydroelectric Private

Key Takeaway

Browns Falls is classified as high hazard in New York. It was completed in 1922 and is 104 years old. Its primary use is hydroelectric. 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 96.3% in NY)
Dam Length941 ft
Dam TypeConcrete
Max Storage3.2K acre-ft
Normal Storage3.2K acre-ft
Surface Area168 acres
Drainage Area178 sq mi
Max Discharge8,000 cfs
Year Completed1922 (104 years old)
NID IDNY00762

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: June 16, 2022
State Regulated: No

Ownership

Erie Boulevard Hydropower, L.P.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Browns Falls?

Browns Falls 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 Browns Falls?

Browns Falls is owned by Erie Boulevard Hydropower, L.P. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Browns Falls built?

Browns Falls was completed in 1922, making it 104 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 Browns Falls?

Browns Falls serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Browns Falls?

Browns Falls 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 Browns Falls last inspected?

Browns Falls was last inspected on June 16, 2022. 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.