Tamarack Swamp Dam

TR-WAPPINGER CREEK· Dutchess, New York· Built 1959· Earth· 14 ft tall

Key Takeaway

Tamarack Swamp Dam is classified as low hazard in New York. It was completed in 1959 and is 67 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 14 ft (taller than 33.5% in NY)
Dam Length1,130 ft
Dam TypeEarth
Max Storage710 acre-ft
Normal Storage510 acre-ft
Surface Area133 acres
Drainage Area1 sq mi
Max Discharge1,560 cfs
Year Completed1959 (67 years old)
NID IDNY00928

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: March 15, 2010
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

FRED H BONTECOU

Not Listed

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tamarack Swamp Dam?

Tamarack Swamp Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tamarack Swamp Dam?

Tamarack Swamp Dam is owned by FRED H BONTECOU (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tamarack Swamp Dam built?

Tamarack Swamp Dam was completed in 1959, making it 67 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 Tamarack Swamp Dam?

Tamarack Swamp Dam serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tamarack Swamp Dam?

Tamarack Swamp Dam has a dam height of 14 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 Tamarack Swamp Dam last inspected?

Tamarack Swamp Dam was last inspected on March 15, 2010. 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.