Little Cache Creek No. 1
Key Takeaway
Little Cache Creek No. 1 is classified as significant hazard in Illinois. It was completed in 1974 and is 52 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 48 ft (taller than 90.6% in IL) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 2.0K acre-ft |
| Normal Storage | 1.7K acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,509 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | IL00037 |
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
USDA FS
Federal Government
Nearby Dams
Little Cache Structure 5 Dam
Johnson, IL
Low Hazard 31 ftAutumn Rose Lake Dam
Johnson, IL
Significant Hazard 32 ftLittle Cache Structure 8 Dam
Johnson, IL
Significant Hazard 21 ftLittle Cache Structure 10 Dam
Johnson, IL
Low Hazard 36 ftFetter Lake Dam
Johnson, IL
Low Hazard 24 ftTall Tree Lake Dam
Johnson, IL
Low Hazard 29 ftCedar Lake Dam
Johnson, IL
Significant Hazard 24 ftVienna Reservoir Dam
Johnson, IL
Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Little Cache Creek No. 1?
Little Cache Creek No. 1 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 Little Cache Creek No. 1?
Little Cache Creek No. 1 is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little Cache Creek No. 1 built?
Little Cache Creek No. 1 was completed in 1974, making it 52 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 Little Cache Creek No. 1?
Little Cache Creek No. 1 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 Little Cache Creek No. 1?
Little Cache Creek No. 1 has a dam height of 48 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 Little Cache Creek No. 1 last inspected?
Little Cache Creek No. 1 was last inspected on August 14, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.