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Question DetailsAsked on 12/21/2014

how do I stop the basement shower from overflowing every time the upstairs washer drains?

When the washing machine upstairs drains our shower stall in the basement fills up with water and sometimes sewage. If they do multiple loads a day our shower stall actually overflows onto the floor. The property has a septic tank, not city sewer. Also, the downstairs toilet bubbles with air when this happens. Is there some way we can stop the back flow of stuff coming into the shower?

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1 Answer


Here is a prior similar question that pretty much answers it - you probably have a partial sewer pipe blockage. However, since you are on septic, it is also possible your septic tank it full and needs pumping, or your leach field has gotten slow and needs jetting out or replacement so it cannot handle the larger flows from the washing machine.

If your tank has not been pumped in 5-10 years (more like 3-5 if a lot of people in household) you might start there - otherwise I would start with a sewer cleaning contractor and have him run a full-diameter scraping tool through your sewer pipes to the tank, then if that does not solve it when washer empties, call a Septic tank contractor to pump the tank and check the leach field operation.

Answered 5 years ago by LCD

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