Blackburn Harold E
Key Takeaway
Blackburn Harold E is classified as low hazard in Oklahoma. It was completed in 1940 and is 86 years old. Its primary use is other.
Physical Details
| Dam Height | 40 ft (taller than 83.4% in OK) |
| Dam Length | 325 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 190 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 2,450 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | OK12763 |
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
RYAN J BLACKBURN
Private
Nearby Dams
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Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Blackburn Harold E?
Blackburn Harold E 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 Blackburn Harold E?
Blackburn Harold E is owned by RYAN J BLACKBURN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Blackburn Harold E built?
Blackburn Harold E was completed in 1940, making it 86 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 Blackburn Harold E?
Blackburn Harold E serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Blackburn Harold E?
Blackburn Harold E has a dam height of 40 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 Blackburn Harold E last inspected?
Blackburn Harold E was last inspected on December 1, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.