Pearl City Lagoon Dam
Key Takeaway
Pearl City Lagoon Dam is classified as significant hazard in Illinois. It was completed in 1970 and is 56 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 11 ft (taller than 8.1% in IL) |
| Dam Length | 1,700 ft |
| Dam Type | Earth |
| Max Storage | 16 acre-ft |
| Normal Storage | 12 acre-ft |
| Drainage Area | 0 sq mi |
| Year Completed | 1970 (56 years old) |
| Year Modified | 2015 |
| NID ID | IL50662 |
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
VILLAGE OF PEARL CITY
Local Government
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What is the hazard classification of Pearl City Lagoon Dam?
Pearl City Lagoon 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 Pearl City Lagoon Dam?
Pearl City Lagoon Dam is owned by VILLAGE OF PEARL CITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pearl City Lagoon Dam built?
Pearl City Lagoon Dam was completed in 1970, making it 56 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 Pearl City Lagoon Dam?
Pearl City Lagoon Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pearl City Lagoon Dam?
Pearl City Lagoon Dam has a dam height of 11 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 Pearl City Lagoon Dam last inspected?
Pearl City Lagoon Dam was last inspected on April 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.