Jones
Key Takeaway
Jones is classified as significant hazard in Colorado. It was completed in 1937 and is 89 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 39 ft (taller than 80.5% in CO) |
| Dam Length | 370 ft |
| Dam Type | Earth |
| Max Storage | 111 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 729 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | CO00689 |
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 VALLEY RANCH
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Jones?
Jones 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?
Jones is owned by BLUE VALLEY RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jones built?
Jones was completed in 1937, making it 89 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?
Jones serves the following purposes: Recreation, Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jones?
Jones has a dam height of 39 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 last inspected?
Jones was last inspected on August 3, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.