Old Spiro
Key Takeaway
Old Spiro is classified as low hazard in Oklahoma. It was completed in 1950 and is 76 years old. Its primary use is water supply.
Physical Details
| Dam Height | 15 ft (taller than 1% in OK) |
| Dam Length | 2,500 ft |
| Dam Type | Earth |
| Max Storage | 210 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 34 acres |
| Max Discharge | 2,456 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | OK02156 |
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
Swink
Le Flore, OK
Low Hazard 17 ftNew Spiro
Le Flore, OK
Low Hazard 20 ftW.D. Mayo Lock and Dam
Sequoyah, OK
Significant Hazard 71 ftHarden No 1
Le Flore, OK
Low Hazard 42 ftWhite Lake
Sequoyah, OK
Low Hazard 20 ftSienickie
Le Flore, OK
Low Hazard 15 ftOknoname 30195
Le Flore, OK
Low Hazard 16 ftWafford Lake
Le Flore, OK
Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Old Spiro?
Old 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 Old Spiro?
Old Spiro is owned by TOWN OF SPIRO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Old Spiro built?
Old Spiro was completed in 1950, making it 76 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 Old Spiro?
Old 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 Old Spiro?
Old Spiro has a dam height of 15 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 Old Spiro last inspected?
Old Spiro was last inspected on December 1, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.