Your plumbing system is made up of two parts, water supply and wastewater discharge. Gray or wastewater gets swept away without further thought. The one time you have to think about it is when your sewer line backs up.
Sewers backup for several reasons, the most common being:
What are the warning signs for sewer backups?
You should call a professional to inspect the lines and do the necessary clean out and/or repairs. If you can, shut off the water going into the home until the professional gets there. Make sure to tell your drain cleaning expert if you use chemicals in your drains. This is to protect both you and them. They may use a line camera to inspect the problem.
If you are experiencing sewage backup problems in North Georgia, GA, then call R1 of North Georgia.