Why is sewer water treated differently from clean water?
Sewage carries bacteria and other contaminants, so porous materials it has soaked into are generally not safe to keep, and the water is handled with protection. Clean water from a supply line can often be dried in place, while sewage usually cannot be left in drywall, carpet or insulation.
The contamination in sewage is the reason the work is planned differently. Materials such as carpet, pad, insulation and the lower course of drywall absorb the water and hold the contamination inside them. Cleaning the surface does not remove what has soaked into the material.
The crew's protective equipment and its containment are part of this planning. The technician explains what is being removed, why, and how the room will be cleaned before drying starts, so the homeowner understands each stage.
Can sewage-soaked materials be saved?
Hard, non-porous surfaces can often be cleaned and disinfected. Porous materials that sewage has soaked into, such as carpet, pad, insulation and drywall, are generally removed and discarded, because cleaning does not reach the contamination inside them.
Solid wood and tile may be cleaned and disinfected, depending on what they have been in contact with and for how long. The technician checks each item and says whether it can be saved. Anything that is uncertain is removed and photographed first.
Keep a record of anything that is discarded, including a description and an approximate age. The insurer may ask for it, and the crew will include it in the log so that the record is complete.
Who repairs the sewer line after a backup?
A plumber repairs or clears the sewer line, and the crew does not perform that work. The cleanup and the line repair can proceed in step, with the plumber working on the line and the crew working in the house.
Ask the plumber to inspect the line and the cleanout, to explain the cause of the backup and to record what was found. Where the backup came from the public sewer, the homeowner may need to contact the municipal utility, and the plumber can advise on that.
The crew can help you locate the right trade. It does not diagnose the sewer line, and it will not restore the line to service. Do not use the affected drains until the plumber confirms the line is clear.
What should I do with the water before the crew arrives?
Keep people out of the affected rooms, do not use the drains or toilets, and do not try to wipe up sewage with household cleaners. Close the door to the room if you can, and photograph the water and any debris from the doorway.
Sewage should not be handled without protection. If you must move items out of the room, wear gloves, a mask and eye protection, and wash your hands afterward. Do not carry sewage-soaked items through clean rooms or up the stairs.
Turn off the power to the room only if you can do so from a dry place, and do not touch any electrical outlet or fixture in water. Keep the house's water use to a minimum until the line has been checked, so the backup is not made worse.
What does a sewer backup mean for the rest of the house?
A backup can affect rooms well away from the original fixture, because sewage moves along floors and into walls. The crew checks the adjoining rooms and the lower walls, not only the place where the water first appeared.
Water from a drain can reach the floor of a hallway, the base of a closet or the cabinet kick of a kitchen. Each of these places is checked with moisture readings and visual inspection, and the contaminated materials are recorded.
The crew explains which rooms are affected and which were checked and found clean. Keeping this record helps the homeowner decide what to ask the insurer and the plumber, and it shows that the whole house was assessed.