Johnson Pond Dam 1
Key Takeaway
Johnson Pond Dam 1 is classified as low hazard in Illinois. It was completed in 1966 and is 60 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 30 ft (taller than 61.3% in IL) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 75 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 158 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | IL40103 |
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
PAUL D. JOHNSON;PAUL D. JOHNSON
Private
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Johnson Pond Dam 1?
Johnson Pond Dam 1 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 Johnson Pond Dam 1?
Johnson Pond Dam 1 is owned by PAUL D. JOHNSON;PAUL D. JOHNSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Johnson Pond Dam 1 built?
Johnson Pond Dam 1 was completed in 1966, making it 60 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 Johnson Pond Dam 1?
Johnson Pond Dam 1 serves the following purposes: Fish And Wildlife Pond, Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Johnson Pond Dam 1?
Johnson Pond Dam 1 has a dam height of 30 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 Johnson Pond Dam 1 last inspected?
Johnson Pond Dam 1 was last inspected on June 10, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.