Turtle Lake (Upper)
Key Takeaway
Turtle Lake (Upper) is classified as low hazard in Oklahoma. It was completed in 2003 and is 23 years old. Its primary use is other.
Physical Details
| Dam Height | 18 ft (taller than 7.5% in OK) |
| Dam Length | 290 ft |
| Dam Type | Earth |
| Max Storage | 67 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 112 acres |
| Drainage Area | 112 sq mi |
| Max Discharge | 720 cfs |
| Year Completed | 2003 (23 years old) |
| NID ID | OK30152 |
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
DARRYL AND PAMELA K UMPHRIES
Private
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High Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Turtle Lake (Upper)?
Turtle Lake (Upper) 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 Turtle Lake (Upper)?
Turtle Lake (Upper) is owned by DARRYL AND PAMELA K UMPHRIES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Turtle Lake (Upper) built?
Turtle Lake (Upper) was completed in 2003, making it 23 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 Turtle Lake (Upper)?
Turtle Lake (Upper) 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 Turtle Lake (Upper)?
Turtle Lake (Upper) has a dam height of 18 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 Turtle Lake (Upper) last inspected?
Turtle Lake (Upper) was last inspected on December 1, 2010. Inspection dates indicate when a formal review occurred, not the results of that inspection.