Cox Reservoir

OTTAUQUECHEE RIVER-TR· Windsor, Vermont· Built 1930· Earth· 20 ft tall
Significant Hazard Water Supply Private

Key Takeaway

Cox Reservoir is classified as significant hazard in Vermont. It was completed in 1930 and is 96 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 20 ft (taller than 52.6% in VT)
Dam Length145 ft
Dam TypeEarth
Max Storage21 acre-ft
Normal Storage0 acre-ft
Surface Area2 acres
Drainage Area1 sq mi
Year Completed1930 (96 years old)
NID IDVT00234

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: No
Last Inspection: July 9, 2013
State Regulated: Yes
Regulatory Agency: DEC

Ownership

WOODSTOCK AQUEDUCT CO

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cox Reservoir?

Cox Reservoir 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 Cox Reservoir?

Cox Reservoir is owned by WOODSTOCK AQUEDUCT CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cox Reservoir built?

Cox Reservoir 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 Cox Reservoir?

Cox Reservoir 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 Cox Reservoir?

Cox Reservoir has a dam height of 20 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 Cox Reservoir last inspected?

Cox Reservoir was last inspected on July 9, 2013. 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.