Rock Creek-Upper (Harney)
Key Takeaway
Rock Creek-Upper (Harney) is classified as low hazard in Oregon. It was completed in 1970 and is 56 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 45 ft (taller than 80.5% in OR) |
| Dam Length | 1,300 ft |
| Dam Type | Earth |
| Max Storage | 6.9K acre-ft |
| Normal Storage | 5.8K acre-ft |
| Surface Area | 384 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,356 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OR00157 |
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
ROCK CREEK RANCH, INC.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rock Creek-Upper (Harney)?
Rock Creek-Upper (Harney) 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 Rock Creek-Upper (Harney)?
Rock Creek-Upper (Harney) is owned by ROCK CREEK RANCH, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Creek-Upper (Harney) built?
Rock Creek-Upper (Harney) was completed in 1970, making it 56 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 Rock Creek-Upper (Harney)?
Rock Creek-Upper (Harney) 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 Rock Creek-Upper (Harney)?
Rock Creek-Upper (Harney) has a dam height of 45 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 Rock Creek-Upper (Harney) last inspected?
Rock Creek-Upper (Harney) was last inspected on June 6, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.