4VAC25-31-440: Drainage and sediment control

All mining operations shall have adequate drainage, erosion, and sediment control measures installed and maintained in accordance with the approved drainage plan or as acceptable to the division. Drainage from disturbed areas shall be directed into a sediment control structure before it is discharged from the permitted area. If adequate drainage, erosion, and sediment control measures cannot be provided, the permit for the affected portion or the entire mine may be denied.