Lone Tree
Key Takeaway
Lone Tree is classified as significant hazard in Colorado. It was completed in 1882 and is 144 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 29 ft (taller than 64% in CO) |
| Dam Length | 5,265 ft |
| Dam Type | Earth |
| Max Storage | 11.0K acre-ft |
| Normal Storage | 9.3K acre-ft |
| Surface Area | 503 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 14,280 cfs |
| Year Completed | 1882 (144 years old) |
| Year Modified | 2001 |
| NID ID | CO01734 |
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
CONSOLIDATED HOME SUPPLY DITCH & RES. CO (DAVE SCH
Private
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High Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Lone Tree?
Lone Tree 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 Lone Tree?
Lone Tree is owned by CONSOLIDATED HOME SUPPLY DITCH & RES. CO (DAVE SCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lone Tree built?
Lone Tree was completed in 1882, making it 144 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 Lone Tree?
Lone Tree serves the following purposes: Irrigation, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lone Tree?
Lone Tree has a dam height of 29 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 Lone Tree last inspected?
Lone Tree was last inspected on September 2, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.