Brookdale Dam
Key Takeaway
Brookdale Dam is classified as significant hazard in Illinois. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 8 ft (taller than 2.5% in IL) |
| Dam Length | 400 ft |
| Dam Type | Concrete |
| Normal Storage | 88 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 21 sq mi |
| NID ID | IL55152 |
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
MCHENRY COUNTY CONSERVATION DISTRICT
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Brookdale Dam?
Brookdale 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 Brookdale Dam?
Brookdale Dam is owned by MCHENRY COUNTY CONSERVATION DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Brookdale Dam?
Brookdale 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 Brookdale Dam?
Brookdale Dam has a dam height of 8 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 Brookdale Dam last inspected?
Brookdale Dam was last inspected on June 16, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.