Lake Boyce Dam

TR-HUDSON RIVER· Rockland, New York· Built 1929· Earth· 16 ft tall

Significant Hazard Recreation Private

Key Takeaway

Lake Boyce Dam is classified as significant hazard in New York. It was completed in 1929 and is 97 years old. Its primary use is recreation. 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 Length	275 ft
Dam Type	Earth
Max Storage	85 acre-ft
Normal Storage	69 acre-ft

Surface Area	16 acres
Drainage Area	1 sq mi
Year Completed	1929 (97 years old)
NID ID	NY01109

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 3, 2017

State Regulated: Yes

Regulatory Agency: NYS DEC

Ownership

BOY SCOUTS OF AMERICA HUDSON VALLEY COUNCIL

Private

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Tomkins Cove Dam

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Garnerville Dam

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Doodletown Dam

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Lake Lucille Dam

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First Reservoir Dam

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Queensboro Lake Dam

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Low Hazard 22 ft

Frequently Asked Questions

What is the hazard classification of Lake Boyce Dam?

Lake Boyce 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 Lake Boyce Dam?

Lake Boyce Dam is owned by BOY SCOUTS OF AMERICA HUDSON VALLEY COUNCIL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Boyce Dam built?

Lake Boyce Dam was completed in 1929, making it 97 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 Lake Boyce Dam?

Lake Boyce 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 Lake Boyce Dam?

Lake Boyce 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 Lake Boyce Dam last inspected?

Lake Boyce Dam was last inspected on November 3, 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.