Water will back up and begin flooding into other fixtures when your main sewer line is clogged. It occurs when water from one line tries to drain away, but it gets forced back into the smaller drains because the main sewer line is blocked. Notably, overflowing water looks for the lowest p...
That is, slow fixture drains may besystem-relatedbut it could also indicate just a clog in the interior piping or sewer line. You should have the interior piping checked before proceeding with an investigation of the sewage disposal system. SeeCLOGGED DRAIN DIAGNOSIS & REPAIRfor a guide in how...