Simpson Cc
Key Takeaway
Simpson Cc 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 | 29 ft (taller than 51.9% in OK) |
| Dam Length | 720 ft |
| Dam Type | Earth |
| Max Storage | 309 acre-ft |
| Normal Storage | 77 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 1,764 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | OK12448 |
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
MARY LOU GILL-GIRARD
Private
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Simpson Cc?
Simpson Cc 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 Simpson Cc?
Simpson Cc is owned by MARY LOU GILL-GIRARD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Simpson Cc built?
Simpson Cc 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 Simpson Cc?
Simpson Cc 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 Simpson Cc?
Simpson Cc has a dam height of 29 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 Simpson Cc last inspected?
Simpson Cc was last inspected on July 25, 2005. Inspection dates indicate when a formal review occurred, not the results of that inspection.