White Rock Reservoir
Key Takeaway
White Rock Reservoir is classified as low hazard in Oregon. It was completed in 1974 and is 52 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 31 ft (taller than 62.3% in OR) |
| Dam Length | 2,550 ft |
| Dam Type | Earth |
| Max Storage | 900 acre-ft |
| Normal Storage | 940 acre-ft |
| Surface Area | 79 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 164 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | OR00629 |
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
TAYLOR RANCH, INC.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of White Rock Reservoir?
White Rock 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 White Rock Reservoir?
White Rock Reservoir is owned by TAYLOR RANCH, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was White Rock Reservoir built?
White Rock Reservoir was completed in 1974, making it 52 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 White Rock Reservoir?
White Rock 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 White Rock Reservoir?
White Rock Reservoir has a dam height of 31 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 White Rock Reservoir last inspected?
White Rock Reservoir was last inspected on October 10, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.