Gnawbone Campground Dam
Key Takeaway
Gnawbone Campground Dam is classified as low hazard in Illinois. It was completed in 1961 and is 65 years old. Its primary use is water supply.
Physical Details
| Dam Height | 27 ft (taller than 51.5% in IL) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 162 acre-ft |
| Normal Storage | 101 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,025 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | IL00126 |
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
RANDY GRIZZLE
Private
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Gnawbone Campground Dam?
Gnawbone Campground 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 Gnawbone Campground Dam?
Gnawbone Campground Dam is owned by RANDY GRIZZLE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gnawbone Campground Dam built?
Gnawbone Campground Dam was completed in 1961, making it 65 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 Gnawbone Campground Dam?
Gnawbone Campground Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gnawbone Campground Dam?
Gnawbone Campground Dam has a dam height of 27 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 Gnawbone Campground Dam last inspected?
Gnawbone Campground Dam was last inspected on July 19, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.