Preston Lower Dam
Key Takeaway
Preston Lower Dam is classified as significant hazard in Nevada. It was completed in 1932 and is 94 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 30 ft (taller than 61.8% in NV) |
| Dam Length | 2,050 ft |
| Dam Type | Earth |
| Max Storage | 250 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 1,300 cfs |
| Year Completed | 1932 (94 years old) |
| NID ID | NV10552 |
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
PRESTON IRRIGATION COMPANY
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Preston Lower Dam?
Preston Lower Dam 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 Preston Lower Dam?
Preston Lower Dam is owned by PRESTON IRRIGATION COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Preston Lower Dam built?
Preston Lower Dam was completed in 1932, making it 94 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 Preston Lower Dam?
Preston Lower Dam serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Preston Lower Dam?
Preston Lower Dam has a dam height of 30 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 Preston Lower Dam last inspected?
Preston Lower Dam was last inspected on April 28, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.