Grieves Dam
Key Takeaway
Grieves Dam is classified as significant hazard in Illinois. It was completed in 1998 and is 28 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 54.6% in IL) |
| Dam Length | 430 ft |
| Dam Type | Earth |
| Max Storage | 86 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 300 cfs |
| Year Completed | 1998 (28 years old) |
| NID ID | IL50395 |
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
LOWELL GRIEVES
Private
Nearby Dams
Rice Lake Sfwa/Voorhees Unit Water Control Dam
Fulton, IL
Low Hazard 7 ftDuck Creek Ash Pond 1 Dam
Fulton, IL
Significant Hazard 28 ftDuck Creek Ash Pond 2 Dam
Fulton, IL
Low Hazard 50 ftDuck Creek Bottom Ash Pond Dam
Fulton, IL
Significant Hazard 10 ftDuck Creek Gypsum Stack Dam
Fulton, IL
Low Hazard 45 ftDuck Creek Recycle Pond Dam
Fulton, IL
Low Hazard 41 ftDuck Creek Station Dams
Fulton, IL
High Hazard 123 ftSpring Lake Wetland Unit 3
Tazewell, IL
Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Grieves Dam?
Grieves 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 Grieves Dam?
Grieves Dam is owned by LOWELL GRIEVES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grieves Dam built?
Grieves Dam was completed in 1998, making it 28 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 Grieves Dam?
Grieves 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 Grieves Dam?
Grieves Dam has a dam height of 28 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 Grieves Dam last inspected?
Grieves Dam was last inspected on May 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.