Casto
Key Takeaway
Casto is classified as significant hazard in Colorado. It was completed in 1940 and is 86 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 26 ft (taller than 56.3% in CO) |
| Dam Length | 910 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 803 acre-ft |
| Surface Area | 99 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 1,470 cfs |
| Year Completed | 1940 (86 years old) |
| Year Modified | 2009 |
| NID ID | CO00294 |
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
JOHN HENDRICKS (SISSON, ALAN)
Private
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Significant Hazard 45 ftFrequently Asked Questions
What is the hazard classification of Casto?
Casto 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 Casto?
Casto is owned by JOHN HENDRICKS (SISSON, ALAN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Casto built?
Casto was completed in 1940, making it 86 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 Casto?
Casto serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Casto?
Casto has a dam height of 26 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 Casto last inspected?
Casto was last inspected on June 2, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.