Gross Farms Dam
Key Takeaway
Gross Farms Dam is classified as low hazard in Illinois. It was completed in 2005 and is 21 years old. Its primary use is recreation.
Physical Details
| Dam Height | 27 ft (taller than 51.5% in IL) |
| Dam Length | 395 ft |
| Dam Type | Earth |
| Max Storage | 335 acre-ft |
| Normal Storage | 220 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,710 cfs |
| Year Completed | 2005 (21 years old) |
| NID ID | IL50494 |
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
WILLIAM P. GROSS, ET AL
Private
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Gross Farms Dam?
Gross Farms 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 Gross Farms Dam?
Gross Farms Dam is owned by WILLIAM P. GROSS, ET AL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gross Farms Dam built?
Gross Farms Dam was completed in 2005, making it 21 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 Gross Farms Dam?
Gross Farms 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 Gross Farms Dam?
Gross Farms 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 Gross Farms Dam last inspected?
Gross Farms Dam was last inspected on April 26, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.