Lyon Lodge Dam

LYON CREEK· Ulster, New York· Built 1925· Earth· 12 ft tall
Significant Hazard Recreation Private

Key Takeaway

Lyon Lodge Dam is classified as significant hazard in New York. It was completed in 1925 and is 101 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 12 ft (taller than 23.2% in NY)
Dam Length210 ft
Dam TypeEarth
Max Storage224 acre-ft
Normal Storage176 acre-ft
Surface Area32 acres
Drainage Area2 sq mi
Max Discharge470 cfs
Year Completed1925 (101 years old)
NID IDNY00844

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: July 25, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

Lyons Lodge LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lyon Lodge Dam?

Lyon Lodge 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 Lyon Lodge Dam?

Lyon Lodge Dam is owned by Lyons Lodge LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lyon Lodge Dam built?

Lyon Lodge Dam was completed in 1925, making it 101 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 Lyon Lodge Dam?

Lyon Lodge 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 Lyon Lodge Dam?

Lyon Lodge 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 Lyon Lodge Dam last inspected?

Lyon Lodge Dam was last inspected on July 25, 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.