Ylsa Lake Dam
Key Takeaway
Ylsa Lake Dam is classified as significant hazard in Illinois. It was completed in 1995 and is 31 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 28.2% in IL) |
| Dam Length | 370 ft |
| Dam Type | Earth |
| Max Storage | 22 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 31 cfs |
| Year Completed | 1995 (31 years old) |
| Year Modified | 1999 |
| NID ID | IL50448 |
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
LONNIE FULTE
Private
Nearby Dams
Lake of The Woods 1 Dam
Monroe, IL
Low Hazard 21 ftLake of The Woods 2 Dam
Monroe, IL
High HazardWillow Lake Estates Dam
Monroe, IL
Low Hazard 17 ftFisher Lake Dam
Monroe, IL
Low Hazard 28 ftWaterloo Sportsman Club Lake 2 Dam
Monroe, IL
Low Hazard 32 ftLake Ronnie Dam
Monroe, IL
Low Hazard 17 ftWaterloo Sportsman Club Lake 1 Dam
Monroe, IL
Significant Hazard 29 ftJustamir Association Lake Dam
St. Clair, IL
Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Ylsa Lake Dam?
Ylsa 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 Ylsa Lake Dam?
Ylsa Lake Dam is owned by LONNIE FULTE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Ylsa Lake Dam built?
Ylsa Lake Dam was completed in 1995, making it 31 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 Ylsa Lake Dam?
Ylsa 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 Ylsa Lake Dam?
Ylsa Lake Dam has a dam height of 20 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 Ylsa Lake Dam last inspected?
Ylsa Lake Dam was last inspected on July 19, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.