Crystal Lake Dam

TR-HUDSON RIVER· Orange, New York· Built 1937· Concrete· 20 ft tall
Significant Hazard Recreation Private

Key Takeaway

Crystal Lake Dam is classified as significant hazard in New York. It was completed in 1937 and is 89 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 20 ft (taller than 56.3% in NY)
Dam Length50 ft
Dam TypeConcrete
Max Storage50 acre-ft
Normal Storage40 acre-ft
Surface Area8 acres
Drainage Area2 sq mi
Year Completed1937 (89 years old)
NID IDNY13544

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: Yes
Last Inspection: October 11, 2017
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

Sea Ventures, LLC;THE SEA PARTNERSHIP

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crystal Lake Dam?

Crystal Lake 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 Crystal Lake Dam?

Crystal Lake Dam is owned by Sea Ventures, LLC;THE SEA PARTNERSHIP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crystal Lake Dam built?

Crystal Lake Dam was completed in 1937, making it 89 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 Crystal Lake Dam?

Crystal Lake 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 Crystal Lake Dam?

Crystal Lake Dam has a dam height of 20 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 Crystal Lake Dam last inspected?

Crystal Lake Dam was last inspected on October 11, 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.