Janzen Lake
Key Takeaway
Janzen Lake is classified as low hazard in Oklahoma. It was completed in 2002 and is 24 years old. Its primary use is other.
Physical Details
| Dam Height | 45 ft (taller than 90.3% in OK) |
| Dam Length | 775 ft |
| Dam Type | Earth |
| Max Storage | 920 acre-ft |
| Normal Storage | 364 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 2,206 sq mi |
| Year Completed | 2002 (24 years old) |
| NID ID | OK30189 |
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
JANZEN PROPERTIES LLC;RONALD J JANZEN MD
Private
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Janzen Lake?
Janzen Lake 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 Janzen Lake?
Janzen Lake is owned by JANZEN PROPERTIES LLC;RONALD J JANZEN MD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Janzen Lake built?
Janzen Lake was completed in 2002, making it 24 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 Janzen Lake?
Janzen Lake 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 Janzen Lake?
Janzen Lake has a dam height of 45 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 Janzen Lake last inspected?
Janzen Lake was last inspected on December 21, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.