Lake Mansfield

MILLER BROOK· Lamoille, Vermont· Built 1900· Earth· 32 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Mansfield is classified as high hazard in Vermont. It was completed in 1900 and is 126 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 32 ft (taller than 80.2% in VT)
Dam Length375 ft
Dam TypeEarth
Max Storage515 acre-ft
Normal Storage0 acre-ft
Surface Area38 acres
Drainage Area3 sq mi
Year Completed1900 (126 years old)
NID IDVT00100

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: June 21, 2017
State Regulated: Yes
Regulatory Agency: DEC

Ownership

LAKE MANSFIELD TROUT CLUB

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Mansfield?

Lake Mansfield is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Mansfield?

Lake Mansfield is owned by LAKE MANSFIELD TROUT CLUB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Mansfield built?

Lake Mansfield was completed in 1900, making it 126 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 Lake Mansfield?

Lake Mansfield 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 Lake Mansfield?

Lake Mansfield has a dam height of 32 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 Lake Mansfield last inspected?

Lake Mansfield was last inspected on June 21, 2017. 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.