Chauncey Stillman Dam

TR-WASSAIC CREEK· Dutchess, New York· Built 1951· Earth· 19 ft tall
Significant Hazard Other Recreation Private

Key Takeaway

Chauncey Stillman Dam is classified as significant hazard in New York. It was completed in 1951 and is 75 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 19 ft (taller than 53.6% in NY)
Dam Length1,030 ft
Dam TypeEarth
Max Storage104 acre-ft
Normal Storage65 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge500 cfs
Year Completed1951 (75 years old)
NID IDNY00636

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: April 16, 2019
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

HOMELAND FOUNDATION Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Chauncey Stillman Dam?

Chauncey Stillman 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 Chauncey Stillman Dam?

Chauncey Stillman Dam is owned by HOMELAND FOUNDATION Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Chauncey Stillman Dam built?

Chauncey Stillman Dam was completed in 1951, making it 75 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 Chauncey Stillman Dam?

Chauncey Stillman Dam serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Chauncey Stillman Dam?

Chauncey Stillman Dam has a dam height of 19 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 Chauncey Stillman Dam last inspected?

Chauncey Stillman Dam was last inspected on April 16, 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.