Jacobs Reservoir Dam
Key Takeaway
Jacobs Reservoir Dam is classified as low hazard in Oregon. It was completed in 1938 and is 88 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 15 ft (taller than 16% in OR) |
| Dam Length | 395 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 294 acre-ft |
| Surface Area | 126 acres |
| Drainage Area | 31 sq mi |
| Max Discharge | 1,600 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | OR03850 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Jacobs Reservoir Dam?
Jacobs Reservoir Dam 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 Jacobs Reservoir Dam?
Jacobs Reservoir Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jacobs Reservoir Dam built?
Jacobs Reservoir Dam was completed in 1938, making it 88 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 Jacobs Reservoir Dam?
Jacobs Reservoir Dam serves the following purposes: Fish And Wildlife Pond, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jacobs Reservoir Dam?
Jacobs Reservoir Dam has a dam height of 15 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 Jacobs Reservoir Dam last inspected?
Jacobs Reservoir Dam was last inspected on August 22, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.