Walnut Creek 4
Key Takeaway
Walnut Creek 4 is classified as significant hazard in Nebraska. It was completed in 1982 and is 44 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 50.7% in NE) |
| Dam Length | 790 ft |
| Dam Type | Earth |
| Max Storage | 413 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 860 cfs |
| Year Completed | 1982 (44 years old) |
| NID ID | NE02181 |
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
Lower Big Blue Natural Resources District
Local Government
Nearby Dams
Walnut Creek 5
Lancaster, NE
Significant Hazard 26 ftWalnut Creek 2
Saline, NE
Significant Hazard 29 ftWanek Dam 1
Lancaster, NE
Low Hazard 31 ftElsner Dam 2
Lancaster, NE
Significant Hazard 20 ftElsner Dam 1
Lancaster, NE
Low Hazard 23 ftWalnut Creek 1
Saline, NE
Significant Hazard 25 ftUpper Salt Creek 27-A
Lancaster, NE
Low Hazard 28 ftUpper Salt Creek 27-B
Lancaster, NE
Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Walnut Creek 4?
Walnut Creek 4 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 Walnut Creek 4?
Walnut Creek 4 is owned by Lower Big Blue Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Walnut Creek 4 built?
Walnut Creek 4 was completed in 1982, making it 44 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 Walnut Creek 4?
Walnut Creek 4 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 Walnut Creek 4?
Walnut Creek 4 has a dam height of 26 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 Walnut Creek 4 last inspected?
Walnut Creek 4 was last inspected on April 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.