Eddyville Dam

RONDOUT CREEK· Ulster, New York· Built 1850· Masonry· 12 ft tall
Low Hazard Other Private

Key Takeaway

Eddyville Dam is classified as low hazard in New York. It was completed in 1850 and is 176 years old. Its primary use is other.

Physical Details

Dam Height 12 ft (taller than 23.2% in NY)
Dam Length220 ft
Dam TypeMasonry
Max Storage90 acre-ft
Normal Storage90 acre-ft
Surface Area15 acres
Drainage Area1,069 sq mi
Year Completed1850 (176 years old)
NID IDNY01136

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: September 16, 2009
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

ETHAN RAPP

Private

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Frequently Asked Questions

What is the hazard classification of Eddyville Dam?

Eddyville 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 Eddyville Dam?

Eddyville Dam is owned by ETHAN RAPP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Eddyville Dam built?

Eddyville Dam was completed in 1850, making it 176 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 Eddyville Dam?

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

How tall is Eddyville Dam?

Eddyville Dam has a dam height of 12 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 Eddyville Dam last inspected?

Eddyville Dam was last inspected on September 16, 2009. 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.