Spring Lake Dam
Key Takeaway
Spring Lake Dam is classified as significant hazard in Illinois. It was completed in 1927 and is 99 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 46 ft (taller than 88.9% in IL) |
| Dam Length | 1,450 ft |
| Dam Type | Earth |
| Max Storage | 5.6K acre-ft |
| Normal Storage | 3.4K acre-ft |
| Drainage Area | 22 sq mi |
| Year Completed | 1927 (99 years old) |
| NID ID | IL00268 |
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 MACOMB
Local Government
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Spring Lake Dam?
Spring Lake 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 Spring Lake Dam?
Spring Lake Dam is owned by CITY OF MACOMB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spring Lake Dam built?
Spring Lake Dam was completed in 1927, making it 99 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 Spring Lake Dam?
Spring Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Spring Lake Dam?
Spring Lake Dam has a dam height of 46 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 Spring Lake Dam last inspected?
Spring Lake Dam was last inspected on April 19, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.