Clark Falls

Lamoille River· Chittenden, Vermont· Built 1937· Concrete· 40 ft tall
High Hazard Hydroelectric Public Utility

Key Takeaway

Clark Falls is classified as high hazard in Vermont. It was completed in 1937 and is 89 years old. Its primary use is hydroelectric. 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 40 ft (taller than 87.5% in VT)
Dam Length850 ft
Dam TypeConcrete
Max Storage10.0K acre-ft
Normal Storage10.0K acre-ft
Surface Area740 acres
Drainage Area690 sq mi
Max Discharge164,000 cfs
Year Completed1937 (89 years old)
NID IDVT00033

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: May 18, 2022
State Regulated: No

Ownership

Green Mountain Power Corporation

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Clark Falls?

Clark Falls 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 Clark Falls?

Clark Falls is owned by Green Mountain Power Corporation (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Clark Falls built?

Clark Falls was completed in 1937, making it 89 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 Clark Falls?

Clark Falls serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Clark Falls?

Clark Falls has a dam height of 40 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 Clark Falls last inspected?

Clark Falls was last inspected on May 18, 2022. 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.