Hailesboro Mill #6 Dam

OSWEGATCHIE RIVER· St. Lawrence, New York· Concrete· 14 ft tall
Significant Hazard Hydroelectric Private

Key Takeaway

Hailesboro Mill #6 Dam is classified as significant hazard in New York. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 14 ft (taller than 33.5% in NY)
Dam Length250 ft
Dam TypeConcrete
Max Storage37 acre-ft
Normal Storage25 acre-ft
Surface Area4 acres
Drainage Area650 sq mi
NID IDNY01241

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: July 15, 2008
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

ENEL - ENGINEERING AND REGULATORY AFFAIRS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hailesboro Mill #6 Dam?

Hailesboro Mill #6 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 Hailesboro Mill #6 Dam?

Hailesboro Mill #6 Dam is owned by ENEL - ENGINEERING AND REGULATORY AFFAIRS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Hailesboro Mill #6 Dam?

Hailesboro Mill #6 Dam 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 Hailesboro Mill #6 Dam?

Hailesboro Mill #6 Dam has a dam height of 14 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 Hailesboro Mill #6 Dam last inspected?

Hailesboro Mill #6 Dam was last inspected on July 15, 2008. 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.