Knox
Key Takeaway
Knox is classified as low hazard in Colorado. It was completed in 1954 and is 72 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 31 ft (taller than 68.6% in CO) |
| Dam Length | 512 ft |
| Dam Type | Earth |
| Max Storage | 335 acre-ft |
| Normal Storage | 255 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 882 cfs |
| Year Completed | 1954 (72 years old) |
| NID ID | CO00583 |
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
KNOX RESERVOIR PARTNERS (HANSON, ARLO)
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Knox?
Knox 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 Knox?
Knox is owned by KNOX RESERVOIR PARTNERS (HANSON, ARLO) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Knox built?
Knox was completed in 1954, making it 72 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 Knox?
Knox 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 Knox?
Knox has a dam height of 31 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 Knox last inspected?
Knox was last inspected on September 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.