Alexander Ewing Dam

BEAVER BROOK· Dutchess, New York· Built 1982· Earth· 16 ft tall
Low Hazard Recreation Private

Key Takeaway

Alexander Ewing Dam is classified as low hazard in New York. It was completed in 1982 and is 44 years old. Its primary use is recreation.

Physical Details

Dam Height 16 ft (taller than 42.9% in NY)
Dam Length600 ft
Dam TypeEarth
Max Storage230 acre-ft
Normal Storage138 acre-ft
Surface Area18 acres
Drainage Area1 sq mi
Max Discharge130 cfs
Year Completed1982 (44 years old)
NID IDNY00738

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: April 4, 2012
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

SAMANTHA NEXT DOOR LLC

Private

Nearby Dams

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Vincent Abel Dam

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Dieterich Dam #2

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Significant Hazard 14 ft

Dieterich Dam #1

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Significant Hazard 23 ft

Dieterich Dam #3

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Significant Hazard 14 ft

Hanes & Bontecou Marsh Dam

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Low Hazard 7 ft

R Corbetta Dam

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Low Hazard 21 ft

Lapp Pond Dam

Dutchess, NY

Significant Hazard 7 ft

Frequently Asked Questions

What is the hazard classification of Alexander Ewing Dam?

Alexander Ewing Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Alexander Ewing Dam?

Alexander Ewing Dam is owned by SAMANTHA NEXT DOOR LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Alexander Ewing Dam built?

Alexander Ewing Dam was completed in 1982, making it 44 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 Alexander Ewing Dam?

Alexander Ewing 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 Alexander Ewing Dam?

Alexander Ewing 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 Alexander Ewing Dam last inspected?

Alexander Ewing Dam was last inspected on April 4, 2012. 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.