Still Lake Dam

TR-NEW CROTON RESERVOIR· Westchester, New York· Built 1930· Masonry· 16 ft tall

High Hazard Recreation Private

Key Takeaway

Still Lake Dam is classified as high hazard in New York. It was completed in 1930 and is 96 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 Length	540 ft
Dam Type	Masonry
Max Storage	177 acre-ft
Normal Storage	150 acre-ft

Surface Area	24 acres
Drainage Area	0 sq mi
Max Discharge	30 cfs
Year Completed	1930 (96 years old)
NID ID	NY01266

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: November 13, 2020

State Regulated: Yes

Regulatory Agency: NYS DEC

Ownership

AMIL & AMMA WASSEF;AMIL & AMMA WASSEF;EMIL WASSEF;ROBERT & SUSAN KRAFT;STILLWATER LAKE ASSOCIATION, INC

Private

Nearby Dams

Vernay Lake Dam

Westchester, NY

Low Hazard 12 ft

Teatown Lake Dam

Westchester, NY

Significant Hazard 10 ft

Campfire Lake Dam

Westchester, NY

Significant Hazard 14 ft

Croton Road Dam and Dike

Westchester, NY

High Hazard 15 ft

Minkel Dam

Westchester, NY

High Hazard 18 ft

New Croton Reservoir Dam

Westchester, NY

High Hazard 174 ft

Indian Brook Reservoir Dam

Westchester, NY

High Hazard 43 ft

Chiselhurst Dam

Westchester, NY

Significant Hazard 20 ft

Frequently Asked Questions

What is the hazard classification of Still Lake Dam?

Still 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 Still Lake Dam?

Still Lake Dam is owned by AMIL & AMMA WASSEF;AMIL & AMMA WASSEF;EMIL WASSEF;ROBERT & SUSAN KRAFT;STILLWATER LAKE ASSOCIATION, INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Still Lake Dam built?

Still Lake Dam was completed in 1930, making it 96 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 Still Lake Dam?

Still Lake 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 Still Lake Dam?

Still Lake 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 Still Lake Dam last inspected?

Still Lake Dam was last inspected on November 13, 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.