Walnut Point State Park Lake Dam
Key Takeaway
Walnut Point State Park Lake Dam is classified as low hazard in Illinois. It was completed in 1967 and is 59 years old. Its primary use is recreation.
Physical Details
| Dam Height | 46 ft (taller than 88.9% in IL) |
| Dam Length | 702 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 656 acre-ft |
| Surface Area | 58 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 2,925 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | IL00131 |
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
ILLINOIS DEPARTMENT OF NATURAL RESOURCES
State Government
Nearby Dams
Oakland Lake Dam
Coles, IL
Significant Hazard 18 ftMiller Lake Dam
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Low Hazard 32 ftTemples Pond Dam
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Low Hazard 32 ftCurtis Brothers Pond Dam
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Low Hazard 40 ftAlpena/Murdock/Slurry Pond 5 Dam
Douglas, IL
Significant Hazard 23 ftPatterson Springs Lake Dam
Douglas, IL
Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Walnut Point State Park Lake Dam?
Walnut Point State Park Lake 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 Walnut Point State Park Lake Dam?
Walnut Point State Park Lake Dam is owned by ILLINOIS DEPARTMENT OF NATURAL RESOURCES (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Walnut Point State Park Lake Dam built?
Walnut Point State Park Lake Dam was completed in 1967, making it 59 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 Walnut Point State Park Lake Dam?
Walnut Point State Park Lake 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 Walnut Point State Park Lake Dam?
Walnut Point State Park 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 Walnut Point State Park Lake Dam last inspected?
Walnut Point State Park Lake Dam was last inspected on October 2, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.