Lake Te-Ata Dam

TR-POPOLOPEN BROOK· Orange, New York· Built 1927· Concrete· 60 ft tall
Significant Hazard Recreation State Government

Key Takeaway

Lake Te-Ata Dam is classified as significant hazard in New York. It was completed in 1927 and is 99 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 60 ft (taller than 94.6% in NY)
Dam Length460 ft
Dam TypeConcrete
Max Storage284 acre-ft
Normal Storage284 acre-ft
Surface Area30 acres
Drainage Area5 sq mi
Year Completed1927 (99 years old)
NID IDNY01095

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 23, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

NYSOPRHP - PALISADES INTERSTATE PARK COMMISSION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Te-Ata Dam?

Lake Te-Ata 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 Te-Ata Dam?

Lake Te-Ata Dam is owned by NYSOPRHP - PALISADES INTERSTATE PARK COMMISSION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Te-Ata Dam built?

Lake Te-Ata Dam was completed in 1927, making it 99 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 Te-Ata Dam?

Lake Te-Ata 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 Te-Ata Dam?

Lake Te-Ata Dam has a dam height of 60 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 Te-Ata Dam last inspected?

Lake Te-Ata Dam was last inspected on October 23, 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.