Eagle Harbor Waste Weir Dam

Otter Creek· Orleans, New York· Built 1918· Concrete· 18 ft tall

Significant Hazard Navigation State Government

Key Takeaway

Eagle Harbor Waste Weir Dam is classified as significant hazard in New York. It was completed in 1918 and is 108 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height	18 ft (taller than 49.5% in NY)
Dam Length	120 ft
Dam Type	Concrete
Max Storage	10.5K acre-ft
Normal Storage	8.6K acre-ft

Surface Area	890 acres
Drainage Area	2 sq mi
Max Discharge	905 cfs
Year Completed	1918 (108 years old)
NID ID	NY17191

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No

Last Inspection: November 19, 2020

State Regulated: Yes

Regulatory Agency: NYS DEC

Ownership

New York State Canal Corporation

State Government

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Village of Lyndonville Dam

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Brockville Waste Weir Dam

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Frequently Asked Questions

What is the hazard classification of Eagle Harbor Waste Weir Dam?

Eagle Harbor Waste Weir Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Eagle Harbor Waste Weir Dam?

Eagle Harbor Waste Weir Dam is owned by New York State Canal Corporation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Eagle Harbor Waste Weir Dam built?

Eagle Harbor Waste Weir Dam was completed in 1918, making it 108 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 Eagle Harbor Waste Weir Dam?

Eagle Harbor Waste Weir Dam serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Eagle Harbor Waste Weir Dam?

Eagle Harbor Waste Weir Dam has a dam height of 18 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 Eagle Harbor Waste Weir Dam last inspected?

Eagle Harbor Waste Weir Dam was last inspected on November 19, 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.