Bernard Norman Dam 2

TR-DIRTY CREEK· Sioux, Nebraska· Built 1970· Earth· 20 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Bernard Norman Dam 2 is classified as significant hazard in Nebraska. It was completed in 1970 and is 56 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 20 ft (taller than 28.5% in NE)
Dam Length485 ft
Dam TypeEarth
Max Storage575 acre-ft
Normal Storage374 acre-ft
Surface Area59 acres
Drainage Area3 sq mi
Max Discharge3,344 cfs
Year Completed1970 (56 years old)
NID IDNE02515

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: June 8, 2023
State Regulated: Yes
Regulatory Agency: NE DNR

Ownership

Jean Norman

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bernard Norman Dam 2?

Bernard Norman Dam 2 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 Bernard Norman Dam 2?

Bernard Norman Dam 2 is owned by Jean Norman (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bernard Norman Dam 2 built?

Bernard Norman Dam 2 was completed in 1970, making it 56 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 Bernard Norman Dam 2?

Bernard Norman Dam 2 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 Bernard Norman Dam 2?

Bernard Norman Dam 2 has a dam height of 20 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 Bernard Norman Dam 2 last inspected?

Bernard Norman Dam 2 was last inspected on June 8, 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.