Crooked Arroyo Det Ca-1
Key Takeaway
Crooked Arroyo Det Ca-1 is classified as significant hazard in Colorado. It was completed in 1973 and is 53 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 46 ft (taller than 86.3% in CO) |
| Dam Length | 2,730 ft |
| Dam Type | Earth |
| Max Storage | 5.8K acre-ft |
| Normal Storage | 2.5K acre-ft |
| Surface Area | 204 acres |
| Drainage Area | 24 sq mi |
| Max Discharge | 7,250 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | CO00519 |
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
OTERO COUNTY (NICHOLS, LEX)
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Crooked Arroyo Det Ca-1?
Crooked Arroyo Det Ca-1 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 Crooked Arroyo Det Ca-1?
Crooked Arroyo Det Ca-1 is owned by OTERO COUNTY (NICHOLS, LEX) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Crooked Arroyo Det Ca-1 built?
Crooked Arroyo Det Ca-1 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 Crooked Arroyo Det Ca-1?
Crooked Arroyo Det Ca-1 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Crooked Arroyo Det Ca-1?
Crooked Arroyo Det Ca-1 has a dam height of 46 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 Crooked Arroyo Det Ca-1 last inspected?
Crooked Arroyo Det Ca-1 was last inspected on October 7, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.