Bernard Norman Dam 1

TR-DIRTY CREEK· Sioux, Nebraska· Built 1970· Earth· 15 ft tall
Low Hazard Irrigation Private

Key Takeaway

Bernard Norman Dam 1 is classified as low hazard in Nebraska. It was completed in 1970 and is 56 years old. Its primary use is irrigation.

Physical Details

Dam Height 15 ft (taller than 10.3% in NE)
Dam Length558 ft
Dam TypeEarth
Max Storage226 acre-ft
Normal Storage141 acre-ft
Surface Area34 acres
Drainage Area3 sq mi
Max Discharge3,370 cfs
Year Completed1970 (56 years old)
NID IDNE02514

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: June 5, 2019
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 1?

Bernard Norman Dam 1 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 Bernard Norman Dam 1?

Bernard Norman Dam 1 is owned by Jean Norman (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bernard Norman Dam 1 built?

Bernard Norman Dam 1 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 1?

Bernard Norman Dam 1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Bernard Norman Dam 1?

Bernard Norman Dam 1 has a dam height of 15 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 1 last inspected?

Bernard Norman Dam 1 was last inspected on June 5, 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.