According to the IICRC, sheetrock comes in contact with highly contaminated water, it must be removed and disposed of safely. Leaving this contaminated sheetrock is a recipe for disaster and future mold growth.
Unfortunately this homeowner's toilet overflowed due to a backup sewer line causing highly contaminated water to overflow from the bowl of the toilet. That's why SERVPRO of South Atlanta removed the drywall and eventually the tile flooring in this bathroom.
Call SERVPRO of South Atlanta even if you have a small water loss. Mold growth can take hold if an area is not properly dried. Just a bit of moisture can cause a multitude of issues, and cleanup can be a real headache and even hazardous to your health. Leave cleanup of water damage and sewer backups to the professionals at SERVPRO of South Atlanta, we can make them "Like it never even happened."