Deweese Gp-12
Key Takeaway
Deweese Gp-12 is classified as low hazard in Oklahoma. It was completed in 1959 and is 67 years old.
Physical Details
| Dam Height | 31 ft (taller than 63% in OK) |
| Dam Length | 162 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1959 (67 years old) |
| NID ID | OK83823 |
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
DEWEESE ESTATE
Private
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Low Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Deweese Gp-12?
Deweese Gp-12 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 Deweese Gp-12?
Deweese Gp-12 is owned by DEWEESE ESTATE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Deweese Gp-12 built?
Deweese Gp-12 was completed in 1959, making it 67 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Deweese Gp-12?
Deweese Gp-12 has a dam height of 31 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.