Rotary Lake Dam

TR-CRYSTAL LAKE· Cattaraugus, New York· Earth· 26 ft tall
Significant Hazard Recreation Private

Key Takeaway

Rotary Lake Dam is classified as significant hazard in New York. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 26 ft (taller than 73.4% in NY)
Dam Length1,185 ft
Dam TypeEarth
Max Storage59 acre-ft
Normal Storage42 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge90 cfs
NID IDNY01577

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: July 25, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

BOY SCOUTS OF AMERICA, GREATER NIAGARA FRONTIER COUNCIL

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rotary Lake Dam?

Rotary Lake 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 Rotary Lake Dam?

Rotary Lake Dam is owned by BOY SCOUTS OF AMERICA, GREATER NIAGARA FRONTIER COUNCIL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Rotary Lake Dam?

Rotary Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Rotary Lake Dam?

Rotary Lake Dam has a dam height of 26 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 Rotary Lake Dam last inspected?

Rotary Lake Dam was last inspected on July 25, 2019. 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.