Gypsum Wash
Key Takeaway
Gypsum Wash is classified as high hazard in Utah. It was completed in 1975 and is 51 years old. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 3,160 ft |
| Dam Type | Earth |
| Max Storage | 430 acre-ft |
| Normal Storage | 380 acre-ft |
| Drainage Area | 2 sq mi |
| Year Completed | 1975 (51 years old) |
| NID ID | UT00398 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
WASHINGTON CO FLOOD CONTROL AUTHORITY
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Gypsum Wash?
Gypsum Wash is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Gypsum Wash?
Gypsum Wash is owned by WASHINGTON CO FLOOD CONTROL AUTHORITY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gypsum Wash built?
Gypsum Wash was completed in 1975, making it 51 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
When was Gypsum Wash last inspected?
Gypsum Wash was last inspected on April 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.