Hankison
Key Takeaway
Hankison is classified as low hazard in Colorado. It was completed in 1951 and is 75 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 38 ft (taller than 79.2% in CO) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 181 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 164 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | CO00709 |
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
LITTLE H O RANCH (STONEHOCKER, WALT & MIKE)
Private
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Hankison?
Hankison 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 Hankison?
Hankison is owned by LITTLE H O RANCH (STONEHOCKER, WALT & MIKE) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hankison built?
Hankison was completed in 1951, making it 75 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 Hankison?
Hankison 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 Hankison?
Hankison has a dam height of 38 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 Hankison last inspected?
Hankison was last inspected on July 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.