Hanson Lake Dam

TR-PLATTE RIVER· Sarpy, Nebraska· Built 2002· Earth· 38 ft tall
High Hazard Other Flood Risk Reduction Local Government

Key Takeaway

Hanson Lake Dam is classified as high hazard in Nebraska. It was completed in 2002 and is 24 years old. Its primary use is other. 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 38 ft (taller than 87.6% in NE)
Dam Length178 ft
Dam TypeEarth
Max Storage56 acre-ft
Normal Storage18 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge1,717 cfs
Year Completed2002 (24 years old)
NID IDNE02653

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 Hanson Lake Dam?

Hanson 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 Hanson Lake Dam?

Hanson Lake Dam 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 Hanson Lake Dam built?

Hanson Lake Dam was completed in 2002, making it 24 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 Hanson Lake Dam?

Hanson Lake Dam serves the following purposes: Other, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hanson Lake Dam?

Hanson Lake Dam has a dam height of 38 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 Hanson Lake Dam last inspected?

Hanson Lake Dam 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.