Pittsburg Lake
Key Takeaway
Pittsburg Lake is classified as high hazard in Oklahoma. It was completed in 1908 and is 118 years old. Its primary use is water supply. 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 | 24 ft (taller than 26.9% in OK) |
| Dam Length | 256 ft |
| Dam Type | Earth |
| Max Storage | 424 acre-ft |
| Normal Storage | 196 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 400 cfs |
| Year Completed | 1908 (118 years old) |
| NID ID | OK11019 |
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
TOWN OF PITTSBURG
Local Government
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What is the hazard classification of Pittsburg Lake?
Pittsburg Lake 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 Pittsburg Lake?
Pittsburg Lake is owned by TOWN OF PITTSBURG (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pittsburg Lake built?
Pittsburg Lake was completed in 1908, making it 118 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 Pittsburg Lake?
Pittsburg Lake 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 Pittsburg Lake?
Pittsburg Lake has a dam height of 24 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 Pittsburg Lake last inspected?
Pittsburg Lake was last inspected on December 2, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.