Jones Ranch
Key Takeaway
Jones Ranch is classified as significant hazard in California. It was completed in 1980 and is 46 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 36 ft (taller than 40.1% in CA) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 58 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1980 (46 years old) |
| NID ID | CA01258 |
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
Blue Planet, LLC
Private
Frequently Asked Questions
What is the hazard classification of Jones Ranch?
Jones Ranch 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 Jones Ranch?
Jones Ranch is owned by Blue Planet, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jones Ranch built?
Jones Ranch was completed in 1980, making it 46 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 Jones Ranch?
Jones Ranch serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jones Ranch?
Jones Ranch has a dam height of 36 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 Jones Ranch last inspected?
Jones Ranch was last inspected on June 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.