Brockville Waste Weir Dam

TR-West Br. Sandy Creek· Orleans, New York· Built 1918· Concrete· 16 ft tall
Significant Hazard Navigation State Government

Key Takeaway

Brockville 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 16 ft (taller than 42.9% in NY)
Dam Length52 ft
Dam TypeConcrete
Max Storage11.5K acre-ft
Normal Storage8.6K acre-ft
Surface Area890 acres
Drainage Area2 sq mi
Max Discharge475 cfs
Year Completed1918 (108 years old)
NID IDNY17192

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

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Brockville Waste Weir Dam?

Brockville 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 Brockville Waste Weir Dam?

Brockville 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 Brockville Waste Weir Dam built?

Brockville 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 Brockville Waste Weir Dam?

Brockville 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 Brockville Waste Weir Dam?

Brockville Waste Weir Dam has a dam height of 16 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 Brockville Waste Weir Dam last inspected?

Brockville 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.