Mccoy Reservoir
Key Takeaway
Mccoy Reservoir is classified as low hazard in Oregon. It was completed in 1915 and is 111 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 15 ft (taller than 16% in OR) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 1.0K acre-ft |
| Surface Area | 117 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 333 cfs |
| Year Completed | 1915 (111 years old) |
| NID ID | OR00042 |
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
ED AND DIANA STASTNY
Private
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What is the hazard classification of Mccoy Reservoir?
Mccoy Reservoir 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 Mccoy Reservoir?
Mccoy Reservoir is owned by ED AND DIANA STASTNY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mccoy Reservoir built?
Mccoy Reservoir was completed in 1915, making it 111 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 Mccoy Reservoir?
Mccoy Reservoir serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mccoy Reservoir?
Mccoy Reservoir has a dam height of 15 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 Mccoy Reservoir last inspected?
Mccoy Reservoir was last inspected on August 9, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.