Deer Valley
Key Takeaway
Deer Valley is classified as high hazard in Utah. It was completed in 1888 and is 138 years old. Its primary use is irrigation. 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 | 566 ft |
| Dam Type | Earth |
| Max Storage | 184 acre-ft |
| Normal Storage | 138 acre-ft |
| Drainage Area | 3 sq mi |
| Year Completed | 1888 (138 years old) |
| NID ID | UT00088 |
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
TWIN CREEKS SPECIAL SERVICE DISTRICT
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Deer Valley?
Deer Valley 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 Deer Valley?
Deer Valley is owned by TWIN CREEKS SPECIAL SERVICE DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Deer Valley built?
Deer Valley was completed in 1888, making it 138 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 Deer Valley?
Deer Valley 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 Deer Valley last inspected?
Deer Valley was last inspected on August 29, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.