Beebee Island Diversion Dam

BLACK RIVER· Jefferson, New York· Built 1931· Masonry· 22 ft tall
Significant Hazard Hydroelectric Other Private

Key Takeaway

Beebee Island Diversion Dam is classified as significant hazard in New York. It was completed in 1931 and is 95 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 22 ft (taller than 63.7% in NY)
Dam Length624 ft
Dam TypeMasonry
Normal Storage57 acre-ft
Surface Area15 acres
Drainage Area1,890 sq mi
Year Completed1931 (95 years old)
NID IDNY00322

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: Yes
Last Inspection: June 6, 2017
State Regulated: No

Ownership

Erie Boulevard Hydropower, LP/Brookfield Renewable

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Beebee Island Diversion Dam?

Beebee Island Diversion 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 Beebee Island Diversion Dam?

Beebee Island Diversion Dam is owned by Erie Boulevard Hydropower, LP/Brookfield Renewable (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Beebee Island Diversion Dam built?

Beebee Island Diversion Dam was completed in 1931, making it 95 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 Beebee Island Diversion Dam?

Beebee Island Diversion Dam serves the following purposes: Hydroelectric, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Beebee Island Diversion Dam?

Beebee Island Diversion Dam has a dam height of 22 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 Beebee Island Diversion Dam last inspected?

Beebee Island Diversion Dam was last inspected on June 6, 2017. 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.