Oligarchy #1
Key Takeaway
Oligarchy #1 is classified as significant hazard in Colorado. It was completed in 1889 and is 137 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 29 ft (taller than 64% in CO) |
| Dam Length | 1,040 ft |
| Dam Type | Earth |
| Max Storage | 2.2K acre-ft |
| Normal Storage | 1.7K acre-ft |
| Surface Area | 97 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,580 cfs |
| Year Completed | 1889 (137 years old) |
| NID ID | CO01236 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
OLIGARCHY RESERVOIR COMPANY (TIPTON, PRESIDENT, NE
Private
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What is the hazard classification of Oligarchy #1?
Oligarchy #1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Oligarchy #1?
Oligarchy #1 is owned by OLIGARCHY RESERVOIR COMPANY (TIPTON, PRESIDENT, NE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Oligarchy #1 built?
Oligarchy #1 was completed in 1889, making it 137 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 Oligarchy #1?
Oligarchy #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 Oligarchy #1?
Oligarchy #1 has a dam height of 29 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 Oligarchy #1 last inspected?
Oligarchy #1 was last inspected on June 10, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.