Simon #1
Key Takeaway
Simon #1 is classified as low hazard in Colorado. It was completed in 1917 and is 109 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 27 ft (taller than 59.3% in CO) |
| Dam Length | 1,050 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 996 acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 585 cfs |
| Year Completed | 1917 (109 years old) |
| Year Modified | 2018 |
| NID ID | CO01029 |
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
SIMON RESERVOIR COMPANY (ROSSI, MARK)
Private
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Simon #1?
Simon #1 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 Simon #1?
Simon #1 is owned by SIMON RESERVOIR COMPANY (ROSSI, MARK) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Simon #1 built?
Simon #1 was completed in 1917, making it 109 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 Simon #1?
Simon #1 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 Simon #1?
Simon #1 has a dam height of 27 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 Simon #1 last inspected?
Simon #1 was last inspected on October 21, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.