Hilda Norman Dam 3
Key Takeaway
Hilda Norman Dam 3 is classified as significant hazard in Nebraska. It was completed in 1961 and is 65 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 14 ft (taller than 7.8% in NE) |
| Dam Length | 1,992 ft |
| Dam Type | Earth |
| Max Storage | 441 acre-ft |
| Normal Storage | 170 acre-ft |
| Surface Area | 51 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 6,289 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | NE01128 |
Safety Information
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?
Ownership
Jean Norman
Private
Nearby Dams
Norman (Nid)
Sioux, NE
Low Hazard 25 ftCarbody (Nid)
Sioux, NE
Low Hazard 28 ftBernard Norman Dam 1
Sioux, NE
Low Hazard 15 ftBernard Norman Dam 2
Sioux, NE
Significant Hazard 20 ftBen Norman Dam
Sioux, NE
Low Hazard 22 ftDobesh Jackson Dam
Sioux, NE
Low Hazard 21 ftMoody Dam 1255
Dawes, NE
Low Hazard 16 ftMoody Dam 2
Dawes, NE
Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Hilda Norman Dam 3?
Hilda Norman 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 Hilda Norman Dam 3?
Hilda Norman Dam 3 is owned by Jean Norman (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hilda Norman Dam 3 built?
Hilda Norman Dam 3 was completed in 1961, making it 65 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 Hilda Norman Dam 3?
Hilda Norman Dam 3 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 Hilda Norman Dam 3?
Hilda Norman Dam 3 has a dam height of 14 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 Hilda Norman Dam 3 last inspected?
Hilda Norman Dam 3 was last inspected on June 8, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.