Mirage Flats Dam 3

STURGEON DRAIN· Sheridan, Nebraska· Built 1958· Earth· 30 ft tall
Significant Hazard Other Flood Risk Reduction Private

Key Takeaway

Mirage Flats Dam 3 is classified as significant hazard in Nebraska. It was completed in 1958 and is 68 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 30 ft (taller than 66.9% in NE)
Dam Length540 ft
Dam TypeEarth
Max Storage55 acre-ft
Normal Storage3 acre-ft
Surface Area1 acres
Drainage Area7 sq mi
Max Discharge1,088 cfs
Year Completed1958 (68 years old)
NID IDNE00792

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: No
Last Inspection: March 25, 2021
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Wayne A & Rita M Peters

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mirage Flats Dam 3?

Mirage Flats Dam 3 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 Mirage Flats Dam 3?

Mirage Flats Dam 3 is owned by Wayne A & Rita M Peters (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mirage Flats Dam 3 built?

Mirage Flats Dam 3 was completed in 1958, making it 68 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 3?

Mirage Flats Dam 3 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 Mirage Flats Dam 3?

Mirage Flats Dam 3 has a dam height of 30 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 3 last inspected?

Mirage Flats Dam 3 was last inspected on March 25, 2021. 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.