Papio Creek 21 - Walnut Creek

WALNUT CREEK· Sarpy, Nebraska· Built 1996· Earth· 54 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Papio Creek 21 - Walnut Creek is classified as high hazard in Nebraska. It was completed in 1996 and is 30 years old. Its primary use is flood risk reduction. 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 54 ft (taller than 97.6% in NE)
Dam Length1,330 ft
Dam TypeEarth
Max Storage3.3K acre-ft
Normal Storage1.0K acre-ft
Surface Area97 acres
Drainage Area3 sq mi
Max Discharge8,092 cfs
Year Completed1996 (30 years old)
NID IDNE02430

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: June 1, 2023
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Papio Missouri River Natural Resources District

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Papio Creek 21 - Walnut Creek?

Papio Creek 21 - Walnut Creek 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 Papio Creek 21 - Walnut Creek?

Papio Creek 21 - Walnut Creek is owned by Papio Missouri River Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Papio Creek 21 - Walnut Creek built?

Papio Creek 21 - Walnut Creek was completed in 1996, making it 30 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 Papio Creek 21 - Walnut Creek?

Papio Creek 21 - Walnut Creek serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Papio Creek 21 - Walnut Creek?

Papio Creek 21 - Walnut Creek has a dam height of 54 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 Papio Creek 21 - Walnut Creek last inspected?

Papio Creek 21 - Walnut Creek was last inspected on June 1, 2023. 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.