Morrison Lake Dam
Key Takeaway
Morrison Lake Dam is classified as significant hazard in Illinois. It was completed in 1965 and is 61 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 33 ft (taller than 71.6% in IL) |
| Dam Length | 256 ft |
| Dam Type | Earth |
| Max Storage | 125 acre-ft |
| Normal Storage | 85 acre-ft |
| Year Completed | 1965 (61 years old) |
| NID ID | IL01136 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
RICHARD MORRISON
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Morrison Lake Dam?
Morrison Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Morrison Lake Dam?
Morrison Lake Dam is owned by RICHARD MORRISON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Morrison Lake Dam built?
Morrison Lake Dam was completed in 1965, making it 61 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 Morrison Lake Dam?
Morrison Lake Dam 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 Morrison Lake Dam?
Morrison Lake Dam has a dam height of 33 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 Morrison Lake Dam last inspected?
Morrison Lake Dam was last inspected on May 9, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.