New Spiro
Key Takeaway
New Spiro is classified as low hazard in Oklahoma. It was completed in 1960 and is 66 years old. Its primary use is water supply.
Physical Details
| Dam Height | 20 ft (taller than 11.5% in OK) |
| Dam Length | 1,700 ft |
| Dam Type | Earth |
| Max Storage | 3.6K acre-ft |
| Normal Storage | 2.2K acre-ft |
| Surface Area | 254 acres |
| Max Discharge | 19,190 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | OK10058 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
TOWN OF SPIRO
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of New Spiro?
New Spiro is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates New Spiro?
New Spiro is owned by TOWN OF SPIRO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was New Spiro built?
New Spiro was completed in 1960, making it 66 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 New Spiro?
New Spiro 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 New Spiro?
New Spiro has a dam height of 20 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 New Spiro last inspected?
New Spiro was last inspected on November 7, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.