Hiwan #6
Key Takeaway
Hiwan #6 is classified as low hazard in Colorado. It was completed in 1963 and is 63 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 23 ft (taller than 47.2% in CO) |
| Dam Length | 510 ft |
| Dam Type | Earth |
| Max Storage | 47 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 593 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | CO02191 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
HIWAN GOLF COURSE (PARSONS, SEAN)
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Hiwan #6?
Hiwan #6 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hiwan #6?
Hiwan #6 is owned by HIWAN GOLF COURSE (PARSONS, SEAN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hiwan #6 built?
Hiwan #6 was completed in 1963, making it 63 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 Hiwan #6?
Hiwan #6 serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hiwan #6?
Hiwan #6 has a dam height of 23 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 Hiwan #6 last inspected?
Hiwan #6 was last inspected on August 12, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.