Morrow Brothers (Jefferson)
Key Takeaway
Morrow Brothers (Jefferson) 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 | 23 ft (taller than 39.8% in OR) |
| Dam Length | 520 ft |
| Dam Type | Earth |
| Max Storage | 170 acre-ft |
| Normal Storage | 115 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 700 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OR00487 |
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
MORROW BROS. INC.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Morrow Brothers (Jefferson)?
Morrow Brothers (Jefferson) 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 Morrow Brothers (Jefferson)?
Morrow Brothers (Jefferson) is owned by MORROW BROS. INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Morrow Brothers (Jefferson) built?
Morrow Brothers (Jefferson) 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 Morrow Brothers (Jefferson)?
Morrow Brothers (Jefferson) 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 Morrow Brothers (Jefferson)?
Morrow Brothers (Jefferson) has a dam height of 23 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 Morrow Brothers (Jefferson) last inspected?
Morrow Brothers (Jefferson) was last inspected on September 26, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.