Arthurs Pond Dam

MOODNA CREEK· Orange, New York· Built 1920· Masonry· 27 ft tall

High Hazard Water Supply Local Government

Key Takeaway

Arthurs Pond Dam is classified as high hazard in New York. It was completed in 1920 and is 106 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	27 ft (taller than 74.7% in NY)
Dam Length	248 ft
Dam Type	Masonry
Max Storage	259 acre-ft
Normal Storage	216 acre-ft

Surface Area	13 acres
Drainage Area	0 sq mi
Year Completed	1920 (106 years old)
NID ID	NY00490

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes

Last Inspection: October 23, 2019

State Regulated: Yes

Regulatory Agency: NYS DEC

Ownership

VILLAGE OF CORNWALL-ON-HUDSON

Local Government

Nearby Dams

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Significant Hazard 12 ft

Aleck Meadow Reservoir Dam

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Significant Hazard 23 ft

Sphagnum Pond Dam

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Significant Hazard 15 ft

Bog Meadow Reservoir Dam

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Cornwall Upper Reservoir Dam

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Highland Falls #2 Dam

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Wilkins Pond

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Low Hazard 7 ft

Storm King Art Center Dam

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Low Hazard 22 ft

Frequently Asked Questions

What is the hazard classification of Arthurs Pond Dam?

Arthurs Pond Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Arthurs Pond Dam?

Arthurs Pond Dam is owned by VILLAGE OF CORNWALL-ON-HUDSON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Arthurs Pond Dam built?

Arthurs Pond Dam was completed in 1920, making it 106 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 Arthurs Pond Dam?

Arthurs Pond Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Arthurs Pond Dam?

Arthurs Pond Dam has a dam height of 27 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 Arthurs Pond Dam last inspected?

Arthurs Pond Dam was last inspected on October 23, 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.