Dehner Lake Dam

TR TO SANDY CREEK· Jefferson, Missouri· Built 1958· Earth· 29 ft tall
High Hazard Recreation Private

Key Takeaway

Dehner Lake Dam is classified as high hazard in Missouri. It was completed in 1958 and is 68 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 29 ft (taller than 59.6% in MO)
Dam TypeEarth
Max Storage62 acre-ft
Normal Storage27 acre-ft
Surface Area4 acres
Drainage Area80 sq mi
Year Completed1958 (68 years old)
NID IDMO30423

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: No
Last Inspection: November 20, 1980
State Regulated: No

Ownership

SILVIA DEHNER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dehner Lake Dam?

Dehner Lake Dam 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 Dehner Lake Dam?

Dehner Lake Dam is owned by SILVIA DEHNER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dehner Lake Dam built?

Dehner Lake Dam was completed in 1958, making it 68 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 Dehner Lake Dam?

Dehner Lake Dam 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 Dehner Lake Dam?

Dehner Lake Dam 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 Dehner Lake Dam last inspected?

Dehner Lake Dam was last inspected on November 20, 1980. 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.