Wappapello Dam - Saddle Dike 1

ST. FRANCIS· Wayne, Missouri· Built 1941· Earth· 13 ft tall
Significant Hazard Flood Risk Reduction Recreation Federal Government

Key Takeaway

Wappapello Dam - Saddle Dike 1 is classified as significant hazard in Missouri. It was completed in 1941 and is 85 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 13 ft (taller than 1.2% in MO)
Dam Length380 ft
Dam TypeEarth
Max Storage1.1M acre-ft
Normal Storage613.2K acre-ft
Surface Area23,200 acres
Drainage Area1,310 sq mi
Max Discharge0 cfs
Year Completed1941 (85 years old)
NID IDMO30204

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: Yes
Last Inspection: March 2, 2017
State Regulated: No

Ownership

USACE - St. Louis District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wappapello Dam - Saddle Dike 1?

Wappapello Dam - Saddle Dike 1 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 Wappapello Dam - Saddle Dike 1?

Wappapello Dam - Saddle Dike 1 is owned by USACE - St. Louis District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wappapello Dam - Saddle Dike 1 built?

Wappapello Dam - Saddle Dike 1 was completed in 1941, making it 85 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 Wappapello Dam - Saddle Dike 1?

Wappapello Dam - Saddle Dike 1 serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Wappapello Dam - Saddle Dike 1?

Wappapello Dam - Saddle Dike 1 has a dam height of 13 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 Wappapello Dam - Saddle Dike 1 last inspected?

Wappapello Dam - Saddle Dike 1 was last inspected on March 2, 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.