Waterloo New Reservoir Dam
Key Takeaway
Waterloo New Reservoir Dam is classified as significant hazard in Illinois. It was completed in 1961 and is 65 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 42 ft (taller than 85.8% in IL) |
| Dam Length | 1,800 ft |
| Dam Type | Earth |
| Max Storage | 774 acre-ft |
| Normal Storage | 586 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 900 cfs |
| Year Completed | 1961 (65 years old) |
| NID ID | IL00271 |
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
CITY OF WATERLOO
Local Government
Nearby Dams
Waterloo Reservoir 1 Dam
Monroe, IL
Significant Hazard 31 ftWaterloo Reservoir 2 Dam
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Significant Hazard 19 ftWest Lake Estates Dam
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Significant Hazard 33 ftWestview Acres Lake Dam
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Significant Hazard 29 ftLake Ronnie Dam
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Low Hazard 17 ftLake Loudel Dam
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Low Hazard 28 ftWillow Lake Estates Dam
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Low Hazard 17 ftWaterloo Sportsman Club Lake 1 Dam
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Significant Hazard 29 ftFrequently Asked Questions
What is the hazard classification of Waterloo New Reservoir Dam?
Waterloo New Reservoir 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 Waterloo New Reservoir Dam?
Waterloo New Reservoir Dam is owned by CITY OF WATERLOO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Waterloo New Reservoir Dam built?
Waterloo New Reservoir Dam was completed in 1961, making it 65 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 Waterloo New Reservoir Dam?
Waterloo New Reservoir Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Waterloo New Reservoir Dam?
Waterloo New Reservoir Dam has a dam height of 42 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 Waterloo New Reservoir Dam last inspected?
Waterloo New Reservoir Dam was last inspected on August 17, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.