Henry Lake Dam

TR-DILLON CREEK· Henry, Missouri· Built 1976· Earth· 22 ft tall
Significant Hazard Grade Stabilization Irrigation Private

Key Takeaway

Henry Lake Dam is classified as significant hazard in Missouri. It was completed in 1976 and is 50 years old. Its primary use is grade stabilization. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 22 ft (taller than 14.9% in MO)
Dam Length890 ft
Dam TypeEarth
Max Storage64 acre-ft
Normal Storage46 acre-ft
Surface Area3 acres
Drainage Area19 sq mi
Max Discharge71 cfs
Year Completed1976 (50 years old)
NID IDMO50209

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
State Regulated: No

Ownership

KEITH HENRY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Henry Lake Dam?

Henry Lake 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 Henry Lake Dam?

Henry Lake Dam is owned by KEITH HENRY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Henry Lake Dam built?

Henry Lake Dam was completed in 1976, making it 50 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 Henry Lake Dam?

Henry Lake Dam serves the following purposes: Grade Stabilization, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Henry Lake Dam?

Henry Lake Dam has a dam height of 22 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.

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.