Colby Pond

TWENTYMILE STREAM· Windsor, Vermont· Built 1959· Earth· 29 ft tall
Low Hazard Recreation State Government

Key Takeaway

Colby Pond is classified as low hazard in Vermont. It was completed in 1959 and is 67 years old. Its primary use is recreation.

Physical Details

Dam Height 29 ft (taller than 76% in VT)
Dam Length505 ft
Dam TypeEarth
Max Storage210 acre-ft
Normal Storage0 acre-ft
Surface Area20 acres
Drainage Area1 sq mi
Year Completed1959 (67 years old)
NID IDVT00110

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: May 29, 2013
State Regulated: Yes
Regulatory Agency: DEC

Ownership

STATE OF VERMONT - DFW

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Colby Pond?

Colby Pond 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 Colby Pond?

Colby Pond is owned by STATE OF VERMONT - DFW (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Colby Pond built?

Colby Pond 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 Colby Pond?

Colby Pond 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 Colby Pond?

Colby Pond has a dam height of 29 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 Colby Pond last inspected?

Colby Pond was last inspected on May 29, 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.