Calvert Mine Spc-4 Dam
Key Takeaway
Calvert Mine Spc-4 Dam is classified as low hazard in Texas. It was completed in 1991 and is 35 years old. Its primary use is tailings.
Physical Details
| Dam Height | 19 ft (taller than 30.6% in TX) |
| Dam Length | 1,820 ft |
| Dam Type | Earth |
| Max Storage | 159 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 3,182 cfs |
| Year Completed | 1991 (35 years old) |
| NID ID | TX06560 |
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
WALNUT CREEK MINING COMPANY
Private
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What is the hazard classification of Calvert Mine Spc-4 Dam?
Calvert Mine Spc-4 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 Calvert Mine Spc-4 Dam?
Calvert Mine Spc-4 Dam is owned by WALNUT CREEK MINING COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Calvert Mine Spc-4 Dam built?
Calvert Mine Spc-4 Dam was completed in 1991, making it 35 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 Calvert Mine Spc-4 Dam?
Calvert Mine Spc-4 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 Calvert Mine Spc-4 Dam?
Calvert Mine Spc-4 Dam has a dam height of 19 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 Calvert Mine Spc-4 Dam last inspected?
Calvert Mine Spc-4 Dam was last inspected on May 8, 2002. Inspection dates indicate when a formal review occurred, not the results of that inspection.