Briney Lake 1 Dam
Key Takeaway
Briney Lake 1 Dam is classified as high hazard in Illinois. It was completed in 1971 and is 55 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 36 ft (taller than 78.2% in IL) |
| Dam Length | 460 ft |
| Dam Type | Earth |
| Max Storage | 301 acre-ft |
| Normal Storage | 221 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 157 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | IL00808 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
J. R. BRINEY & SON, INC.
Private
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Briney Lake 1 Dam?
Briney Lake 1 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Briney Lake 1 Dam?
Briney Lake 1 Dam is owned by J. R. BRINEY & SON, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Briney Lake 1 Dam built?
Briney Lake 1 Dam was completed in 1971, making it 55 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 Briney Lake 1 Dam?
Briney Lake 1 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 Briney Lake 1 Dam?
Briney Lake 1 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 Briney Lake 1 Dam last inspected?
Briney Lake 1 Dam was last inspected on April 26, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.