Bolen
Key Takeaway
Bolen is classified as significant hazard in Colorado. It was completed in 1973 and is 53 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 25 ft (taller than 53.1% in CO) |
| Dam Length | 1,450 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 535 acre-ft |
| Surface Area | 81 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,000 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | CO00821 |
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
CITY OF GRAND JUNCTION
Local Government
Nearby Dams
Bolen, Anderson, Jacobs
Mesa, CO
Low Hazard 19 ftAnderson #6
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High Hazard 42 ftRapid Creek #2
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Low Hazard 16 ftRapid Creek #1
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Significant Hazard 19 ftPalisade #3
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Low Hazard 25 ftHallenbeck #2
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High Hazard 36 ftPalisade Cabin
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High Hazard 88 ftFrequently Asked Questions
What is the hazard classification of Bolen?
Bolen 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 Bolen?
Bolen is owned by CITY OF GRAND JUNCTION (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bolen built?
Bolen was completed in 1973, making it 53 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 Bolen?
Bolen serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Bolen?
Bolen has a dam height of 25 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 Bolen last inspected?
Bolen was last inspected on August 25, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.