Larson Dam 1626
Key Takeaway
Larson Dam 1626 is classified as significant hazard in Nebraska. It was completed in 1977 and is 49 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 | 24 ft (taller than 42.8% in NE) |
| Dam Length | 1,469 ft |
| Dam Type | Earth |
| Max Storage | 463 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 679 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | NE01626 |
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
Upper Big Blue Natural Resources District
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Larson Dam 1626?
Larson Dam 1626 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 Larson Dam 1626?
Larson Dam 1626 is owned by Upper Big Blue Natural Resources District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Larson Dam 1626 built?
Larson Dam 1626 was completed in 1977, making it 49 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 Larson Dam 1626?
Larson Dam 1626 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 Larson Dam 1626?
Larson Dam 1626 has a dam height of 24 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 Larson Dam 1626 last inspected?
Larson Dam 1626 was last inspected on June 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.