Schoens
Key Takeaway
Schoens is classified as high hazard in Arizona. It was completed in 1988 and is 38 years old. Its primary use is flood risk reduction. 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 Height | 118 ft (taller than 91.9% in AZ) |
| Dam Length | 880 ft |
| Dam Type | Rockfill |
| Max Storage | 62.0K acre-ft |
| Normal Storage | 6.0K acre-ft |
| Surface Area | 900 acres |
| Drainage Area | 199 sq mi |
| Max Discharge | 55,000 cfs |
| Year Completed | 1988 (38 years old) |
| NID ID | AZ00207 |
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
NAVAJO COUNTY
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Schoens?
Schoens 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 Schoens?
Schoens is owned by NAVAJO COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Schoens built?
Schoens was completed in 1988, making it 38 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 Schoens?
Schoens serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Schoens?
Schoens has a dam height of 118 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 Schoens last inspected?
Schoens was last inspected on September 21, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.