Southern Il Power Fly Ash Disp Pond B-3 Dam
Key Takeaway
Southern Il Power Fly Ash Disp Pond B-3 Dam is classified as low hazard in Illinois. It was completed in 1986 and is 40 years old. Its primary use is debris control.
Physical Details
| Dam Height | 36 ft (taller than 78.2% in IL) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 140 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 140 acres |
| Max Discharge | 175 cfs |
| Year Completed | 1986 (40 years old) |
| NID ID | IL50160 |
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
SOUTHERN ILLINOIS POWER COOPERATIVE
Public Utility
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Significant Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Southern Il Power Fly Ash Disp Pond B-3 Dam?
Southern Il Power Fly Ash Disp Pond B-3 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 Southern Il Power Fly Ash Disp Pond B-3 Dam?
Southern Il Power Fly Ash Disp Pond B-3 Dam is owned by SOUTHERN ILLINOIS POWER COOPERATIVE (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Southern Il Power Fly Ash Disp Pond B-3 Dam built?
Southern Il Power Fly Ash Disp Pond B-3 Dam was completed in 1986, making it 40 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 Southern Il Power Fly Ash Disp Pond B-3 Dam?
Southern Il Power Fly Ash Disp Pond B-3 Dam serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Southern Il Power Fly Ash Disp Pond B-3 Dam?
Southern Il Power Fly Ash Disp Pond B-3 Dam has a dam height of 36 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 Southern Il Power Fly Ash Disp Pond B-3 Dam last inspected?
Southern Il Power Fly Ash Disp Pond B-3 Dam was last inspected on May 30, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.