Newcastle
Key Takeaway
Newcastle is classified as high hazard in Utah. It was completed in 1956 and is 70 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 | 805 ft |
| Dam Type | Earth |
| Max Storage | 7.9K acre-ft |
| Normal Storage | 5.2K acre-ft |
| Drainage Area | 134 sq mi |
| Max Discharge | 150 cfs |
| Year Completed | 1956 (70 years old) |
| NID ID | UT00227 |
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
NEWCASTLE RESERVOIR COMPANY
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Newcastle?
Newcastle 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 Newcastle?
Newcastle is owned by NEWCASTLE RESERVOIR COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Newcastle built?
Newcastle was completed in 1956, making it 70 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 Newcastle?
Newcastle 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 Newcastle last inspected?
Newcastle was last inspected on April 4, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.