Mcfall, John Reservoir
Key Takeaway
Mcfall, John Reservoir is classified as low hazard in Oregon. It was completed in 1950 and is 76 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 21 ft (taller than 33.9% in OR) |
| Dam Length | 220 ft |
| Dam Type | Earth |
| Max Storage | 120 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 420 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | OR00192 |
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
JOHN MCFALL
Private
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What is the hazard classification of Mcfall, John Reservoir?
Mcfall, John 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 Mcfall, John Reservoir?
Mcfall, John Reservoir is owned by JOHN MCFALL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mcfall, John Reservoir built?
Mcfall, John Reservoir was completed in 1950, making it 76 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 Mcfall, John Reservoir?
Mcfall, John 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 Mcfall, John Reservoir?
Mcfall, John Reservoir has a dam height of 21 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 Mcfall, John Reservoir last inspected?
Mcfall, John Reservoir was last inspected on August 9, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.