Gillespie No.1
Key Takeaway
Gillespie No.1 is classified as low hazard in Oklahoma. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 38 ft (taller than 80.3% in OK) |
| Dam Length | 192 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 50 acre-ft |
| Max Discharge | 980 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | OK00357 |
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
OS[OE;TER GO;WA
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Gillespie No.1?
Gillespie No.1 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 Gillespie No.1?
Gillespie No.1 is owned by OS[OE;TER GO;WA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gillespie No.1 built?
Gillespie No.1 was completed in 1961, making it 65 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 Gillespie No.1?
Gillespie No.1 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 Gillespie No.1?
Gillespie No.1 has a dam height of 38 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 Gillespie No.1 last inspected?
Gillespie No.1 was last inspected on December 14, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.