Chester No. 1
Key Takeaway
Chester No. 1 is classified as low hazard in Utah. It was completed in 1883 and is 143 years old. Its primary use is irrigation.
Physical Details
| Dam Type | Earth |
| Normal Storage | 56 acre-ft |
| Drainage Area | 69 sq mi |
| Year Completed | 1883 (143 years old) |
| NID ID | UT00038 |
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
CHESTER IRRIGATION COMPANY
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Chester No. 1?
Chester No. 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 Chester No. 1?
Chester No. 1 is owned by CHESTER IRRIGATION COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Chester No. 1 built?
Chester No. 1 was completed in 1883, making it 143 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 Chester No. 1?
Chester No. 1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Chester No. 1 last inspected?
Chester No. 1 was last inspected on May 11, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.