Landgraf R
Key Takeaway
Landgraf R is classified as low hazard in Oklahoma. It was completed in 1960 and is 66 years old. Its primary use is other.
Physical Details
| Dam Height | 28 ft (taller than 47.3% in OK) |
| Dam Length | 415 ft |
| Dam Type | Earth |
| Max Storage | 81 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 720 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | OK12720 |
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
RONNY LEE & TAMMY LYNN LANDGRAF
Private
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Low Hazard 33 ftFrequently Asked Questions
What is the hazard classification of Landgraf R?
Landgraf R 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 Landgraf R?
Landgraf R is owned by RONNY LEE & TAMMY LYNN LANDGRAF (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Landgraf R built?
Landgraf R 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 Landgraf R?
Landgraf R 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 Landgraf R?
Landgraf R has a dam height of 28 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 Landgraf R last inspected?
Landgraf R was last inspected on October 25, 2001. Inspection dates indicate when a formal review occurred, not the results of that inspection.