Tub Mill Pond Dam

MILL BROOK· Essex, New York· Built 1912· Stone· 21 ft tall
Significant Hazard Other Private

Key Takeaway

Tub Mill Pond Dam is classified as significant hazard in New York. It was completed in 1912 and is 114 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 21 ft (taller than 61.3% in NY)
Dam Length157 ft
Dam TypeStone
Max Storage320 acre-ft
Normal Storage243 acre-ft
Surface Area32 acres
Year Completed1912 (114 years old)
NID IDNY00227

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: August 22, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

OPEN SPACE INSTITUTE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tub Mill Pond Dam?

Tub Mill Pond 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 Tub Mill Pond Dam?

Tub Mill Pond Dam is owned by OPEN SPACE INSTITUTE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tub Mill Pond Dam built?

Tub Mill Pond Dam was completed in 1912, making it 114 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 Tub Mill Pond Dam?

Tub Mill Pond 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 Tub Mill Pond Dam?

Tub Mill Pond Dam has a dam height of 21 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 Tub Mill Pond Dam last inspected?

Tub Mill Pond Dam was last inspected on August 22, 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.