Lake Weil Dam

TR-TENMILE RIVER· Dutchess, New York· Built 1940· Concrete· 14 ft tall
Significant Hazard Recreation Private

Key Takeaway

Lake Weil Dam is classified as significant hazard in New York. It was completed in 1940 and is 86 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 14 ft (taller than 33.5% in NY)
Dam Length100 ft
Dam TypeConcrete
Max Storage185 acre-ft
Normal Storage130 acre-ft
Surface Area31 acres
Max Discharge240 cfs
Year Completed1940 (86 years old)
NID IDNY01206

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: November 24, 2020
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

JOHN FILA

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Weil Dam?

Lake Weil 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 Lake Weil Dam?

Lake Weil Dam is owned by JOHN FILA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Weil Dam built?

Lake Weil Dam was completed in 1940, making it 86 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 Lake Weil Dam?

Lake Weil 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 Lake Weil Dam?

Lake Weil Dam has a dam height of 14 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 Lake Weil Dam last inspected?

Lake Weil Dam was last inspected on November 24, 2020. 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.