Lower Wee-Wah Lake Dam

TR-RAMAPO RIVER· Orange, New York· Built 1890· Earth· 30 ft tall
High Hazard Recreation Water Supply Local Government

Key Takeaway

Lower Wee-Wah Lake Dam is classified as high hazard in New York. It was completed in 1890 and is 136 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 30 ft (taller than 78.3% in NY)
Dam Length320 ft
Dam TypeEarth
Max Storage610 acre-ft
Normal Storage550 acre-ft
Surface Area58 acres
Year Completed1890 (136 years old)
NID IDNY00023

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: May 3, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

VILLAGE OF TUXEDO PARK

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lower Wee-Wah Lake Dam?

Lower Wee-Wah Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lower Wee-Wah Lake Dam?

Lower Wee-Wah Lake Dam is owned by VILLAGE OF TUXEDO PARK (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lower Wee-Wah Lake Dam built?

Lower Wee-Wah Lake Dam was completed in 1890, making it 136 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 Lower Wee-Wah Lake Dam?

Lower Wee-Wah Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lower Wee-Wah Lake Dam?

Lower Wee-Wah Lake Dam has a dam height of 30 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 Lower Wee-Wah Lake Dam last inspected?

Lower Wee-Wah Lake Dam was last inspected on May 3, 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.