Three Mile Creek Reservoir
Key Takeaway
Three Mile Creek Reservoir is classified as low hazard in Oregon. It was completed in 1946 and is 80 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 12 ft (taller than 7.2% in OR) |
| Dam Length | 8,000 ft |
| Dam Type | Earth |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 50 sq mi |
| Max Discharge | 420 cfs |
| Year Completed | 1946 (80 years old) |
| NID ID | OR00158 |
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
ROARING SPRINGS RANCH, INC
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Three Mile Creek Reservoir?
Three Mile Creek 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 Three Mile Creek Reservoir?
Three Mile Creek Reservoir is owned by ROARING SPRINGS RANCH, INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Three Mile Creek Reservoir built?
Three Mile Creek Reservoir was completed in 1946, making it 80 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 Three Mile Creek Reservoir?
Three Mile Creek 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 Three Mile Creek Reservoir?
Three Mile Creek Reservoir has a dam height of 12 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 Three Mile Creek Reservoir last inspected?
Three Mile Creek Reservoir was last inspected on June 6, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.