Mirage Flats Dam

UNNAMED CREEK· Dawes, Nebraska· Built 1973· Earth· 40 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Mirage Flats Dam is classified as low hazard in Nebraska. It was completed in 1973 and is 53 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 40 ft (taller than 90.3% in NE)
Dam Length1,970 ft
Dam TypeEarth
Max Storage2.4K acre-ft
Normal Storage20 acre-ft
Surface Area48 acres
Drainage Area2 sq mi
Max Discharge7,251 cfs
Year Completed1973 (53 years old)
NID IDNE00822

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: July 10, 2019
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Dawes County Road Department

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mirage Flats Dam?

Mirage Flats Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Mirage Flats Dam?

Mirage Flats Dam is owned by Dawes County Road Department (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mirage Flats Dam built?

Mirage Flats Dam was completed in 1973, making it 53 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 Mirage Flats Dam?

Mirage Flats 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 Mirage Flats Dam?

Mirage Flats Dam has a dam height of 40 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 Mirage Flats Dam last inspected?

Mirage Flats Dam was last inspected on July 10, 2019. 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.