Morgan Lake
Key Takeaway
Morgan Lake is classified as high hazard in Oregon. It was completed in 1976 and is 50 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 23 ft (taller than 39.8% in OR) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 780 acre-ft |
| Normal Storage | 780 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 8 cfs |
| Year Completed | 1976 (50 years old) |
| NID ID | OR00653 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of La Grande
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Morgan Lake?
Morgan Lake is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Morgan Lake?
Morgan Lake is owned by City of La Grande (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Morgan Lake built?
Morgan Lake was completed in 1976, making it 50 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 Morgan Lake?
Morgan Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Morgan Lake?
Morgan Lake 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 Morgan Lake last inspected?
Morgan Lake was last inspected on August 25, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.