Skyhaven Lake Dam

TR-DEVILS BRANCH· Johnson, Missouri· Built 1955· Earth· 20 ft tall
High Hazard Recreation Water Supply Private

Key Takeaway

Skyhaven Lake Dam is classified as high hazard in Missouri. It was completed in 1955 and is 71 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 20 ft (taller than 7.1% in MO)
Dam TypeEarth
Max Storage139 acre-ft
Normal Storage47 acre-ft
Surface Area13 acres
Drainage Area62 sq mi
Year Completed1955 (71 years old)
NID IDMO20177

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: June 5, 1980
State Regulated: No

Ownership

EUGENE V FRYHOFF

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Skyhaven Lake Dam?

Skyhaven 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 Skyhaven Lake Dam?

Skyhaven Lake Dam is owned by EUGENE V FRYHOFF (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Skyhaven Lake Dam built?

Skyhaven Lake Dam was completed in 1955, making it 71 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 Skyhaven Lake Dam?

Skyhaven Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Skyhaven Lake Dam?

Skyhaven Lake Dam has a dam height of 20 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 Skyhaven Lake Dam last inspected?

Skyhaven Lake Dam was last inspected on June 5, 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.