Collinsville
Key Takeaway
Collinsville is classified as low hazard in Oklahoma. It was completed in 1930 and is 96 years old. Its primary use is water supply.
Physical Details
| Dam Height | 22 ft (taller than 19.9% in OK) |
| Dam Length | 1,800 ft |
| Dam Type | Earth |
| Max Storage | 112 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 6,140 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | OK11099 |
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
CITY OF COLLINSVILLE
Local Government
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Significant Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Collinsville?
Collinsville 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 Collinsville?
Collinsville is owned by CITY OF COLLINSVILLE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Collinsville built?
Collinsville was completed in 1930, making it 96 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 Collinsville?
Collinsville serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Collinsville?
Collinsville has a dam height of 22 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 Collinsville last inspected?
Collinsville was last inspected on May 20, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.