Lemolo No. 1 Forebay
Key Takeaway
Lemolo No. 1 Forebay is classified as low hazard in Oregon. It was completed in 2009 and is 17 years old.
Physical Details
| Dam Height | 25 ft (taller than 43.9% in OR) |
| Dam Length | 3,800 ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 15 acres |
| Year Completed | 2009 (17 years old) |
| NID ID | OR04091 |
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
PacifiCorp
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lemolo No. 1 Forebay?
Lemolo No. 1 Forebay 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 Lemolo No. 1 Forebay?
Lemolo No. 1 Forebay is owned by PacifiCorp (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lemolo No. 1 Forebay built?
Lemolo No. 1 Forebay was completed in 2009, making it 17 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Lemolo No. 1 Forebay?
Lemolo No. 1 Forebay has a dam height of 25 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.