Colette Highlands Dam
Key Takeaway
Colette Highlands Dam is classified as low hazard in Illinois. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 10 ft (taller than 5.7% in IL) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 84 acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 1 sq mi |
| NID ID | IL55092 |
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
VILLAGE OF ORLAND PARK
Local Government
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Colette Highlands Dam?
Colette Highlands 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 Colette Highlands Dam?
Colette Highlands Dam is owned by VILLAGE OF ORLAND PARK (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Colette Highlands Dam?
Colette Highlands Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Colette Highlands Dam?
Colette Highlands Dam has a dam height of 10 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 Colette Highlands Dam last inspected?
Colette Highlands Dam was last inspected on August 21, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.