R 1 Dam
Key Takeaway
R 1 Dam is classified as low hazard in Mississippi. It was completed in 1999 and is 27 years old. Its primary use is tailings.
Physical Details
| Dam Height | 36 ft (taller than 96.2% in MS) |
| Dam Length | 1,535 ft |
| Dam Type | Earth |
| Max Storage | 1.7K acre-ft |
| Normal Storage | 705 acre-ft |
| Surface Area | 76 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,357 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | MS03543 |
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
MISSISSIPPI LIGNITE MINING CO.
Private
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What is the hazard classification of R 1 Dam?
R 1 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 R 1 Dam?
R 1 Dam is owned by MISSISSIPPI LIGNITE MINING CO. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was R 1 Dam built?
R 1 Dam was completed in 1999, making it 27 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 R 1 Dam?
R 1 Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is R 1 Dam?
R 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.