Thompson Creek Dam

THOMPSON CREEK· Sarpy, Nebraska· Built 1986· Earth· 27 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Thompson Creek Dam is classified as high hazard in Nebraska. It was completed in 1986 and is 40 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 27 ft (taller than 55% in NE)
Dam Length1,025 ft
Dam TypeEarth
Max Storage122 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area1 sq mi
Max Discharge4,050 cfs
Year Completed1986 (40 years old)
NID IDNE02217

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 13, 2023
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

City of La Vista Public Works Department

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thompson Creek Dam?

Thompson Creek 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 Thompson Creek Dam?

Thompson Creek Dam is owned by City of La Vista Public Works Department (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thompson Creek Dam built?

Thompson Creek Dam was completed in 1986, making it 40 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 Thompson Creek Dam?

Thompson Creek Dam 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 Thompson Creek Dam?

Thompson Creek Dam has a dam height of 27 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 Thompson Creek Dam last inspected?

Thompson Creek Dam was last inspected on June 13, 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.