Beechmont Lake Dam

PINE BROOK· Westchester, New York· Built 1904· Masonry· 21 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Beechmont Lake Dam is classified as significant hazard in New York. It was completed in 1904 and is 122 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 21 ft (taller than 61.3% in NY)
Dam Length250 ft
Dam TypeMasonry
Max Storage14 acre-ft
Normal Storage12 acre-ft
Surface Area4 acres
Year Completed1904 (122 years old)
NID IDNY13619

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: November 5, 2020
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

CITY OF NEW ROCHELLE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Beechmont Lake Dam?

Beechmont 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 Beechmont Lake Dam?

Beechmont Lake Dam is owned by CITY OF NEW ROCHELLE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Beechmont Lake Dam built?

Beechmont Lake Dam was completed in 1904, making it 122 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 Beechmont Lake Dam?

Beechmont 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 Beechmont Lake Dam?

Beechmont Lake Dam has a dam height of 21 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 Beechmont Lake Dam last inspected?

Beechmont Lake Dam was last inspected on November 5, 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.