Subiaco Dam (Upper)
Key Takeaway
Subiaco Dam (Upper) is classified as significant hazard in Arkansas. It was completed in 1948 and is 78 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 51.6% in AR) |
| Dam Length | 337 ft |
| Dam Type | Rockfill |
| Max Storage | 37 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 360 cfs |
| Year Completed | 1948 (78 years old) |
| NID ID | AR00876 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SUBIACO ABBEY
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Subiaco Dam (Upper)?
Subiaco Dam (Upper) is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Subiaco Dam (Upper)?
Subiaco Dam (Upper) is owned by SUBIACO ABBEY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Subiaco Dam (Upper) built?
Subiaco Dam (Upper) was completed in 1948, making it 78 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 Subiaco Dam (Upper)?
Subiaco Dam (Upper) serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Subiaco Dam (Upper)?
Subiaco Dam (Upper) has a dam height of 27 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 Subiaco Dam (Upper) last inspected?
Subiaco Dam (Upper) was last inspected on June 30, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.