Lake Peekskill Dam

HOLLOWBROOK· Putnam, New York· Built 1928· Concrete· 16 ft tall
High Hazard Recreation Local Government

Key Takeaway

Lake Peekskill Dam is classified as high hazard in New York. It was completed in 1928 and is 98 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 16 ft (taller than 42.9% in NY)
Dam Length120 ft
Dam TypeConcrete
Max Storage1.4K acre-ft
Normal Storage1.1K acre-ft
Surface Area52 acres
Drainage Area1 sq mi
Max Discharge589 cfs
Year Completed1928 (98 years old)
NID IDNY00087

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 15, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

LAKE PEEKSKILL IMPROVEMENT DISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Peekskill Dam?

Lake Peekskill 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 Lake Peekskill Dam?

Lake Peekskill Dam is owned by LAKE PEEKSKILL IMPROVEMENT DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Peekskill Dam built?

Lake Peekskill Dam was completed in 1928, making it 98 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 Peekskill Dam?

Lake Peekskill 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 Peekskill Dam?

Lake Peekskill Dam has a dam height of 16 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 Peekskill Dam last inspected?

Lake Peekskill Dam was last inspected on May 15, 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.