Rist Canyon
Key Takeaway
Rist Canyon is classified as low hazard in Colorado. It was completed in 1882 and is 144 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 12 ft (taller than 11% in CO) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 63 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 6 cfs |
| Year Completed | 1882 (144 years old) |
| NID ID | CO02359 |
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
MORNING FRESH DAIRY (ROB GRAVES)
Private
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High Hazard 115 ftFrequently Asked Questions
What is the hazard classification of Rist Canyon?
Rist Canyon 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 Rist Canyon?
Rist Canyon is owned by MORNING FRESH DAIRY (ROB GRAVES) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rist Canyon built?
Rist Canyon was completed in 1882, making it 144 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 Rist Canyon?
Rist Canyon 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 Rist Canyon?
Rist Canyon has a dam height of 12 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 Rist Canyon last inspected?
Rist Canyon was last inspected on October 11, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.