Medway Dam

TR-COXSACKIE CREEK· Greene, New York· Built 1967· Earth· 30 ft tall
Significant Hazard Water Supply Local Government

Key Takeaway

Medway Dam is classified as significant hazard in New York. It was completed in 1967 and is 59 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 30 ft (taller than 78.3% in NY)
Dam Length1,950 ft
Dam TypeEarth
Max Storage370 acre-ft
Normal Storage275 acre-ft
Surface Area95 acres
Drainage Area2 sq mi
Max Discharge4,240 cfs
Year Completed1967 (59 years old)
NID IDNY00125

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: August 6, 2020
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

VILLAGE OF COXSACKIE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Medway Dam?

Medway 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 Medway Dam?

Medway Dam is owned by VILLAGE OF COXSACKIE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Medway Dam built?

Medway Dam was completed in 1967, making it 59 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 Medway Dam?

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

How tall is Medway Dam?

Medway 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 Medway Dam last inspected?

Medway Dam was last inspected on August 6, 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.