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Sump pump is tied into the sewer line

0 votes
From Thomas L.

I have a 135 year old house. The sump pump is tied into the sewer line just under the kitchen. The kitchen sink AND the washer are also tied into the sewer pipe. Problem is when the sump kicks on the water SHOOTS out of the washer discharge pipe as well as the sink.

Lots of gurgling and splatter. I grew up in this house and dont recall having this issue in the past. NOTE – I recently realized that the kitchen sink is NOT vented. Could this be a cause? or could it simply be my sewer pipe is getting clogged? Its VERY annoying. HELP!
asked in Sump Pump by darekrudy (21,730 points)
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1 Answer

0 votes
Hi Thomas,

It could be both. Because of the buildup / sewer deposits inside the drain pipe, it might not be capable of handling significant amounts of water discharging from the sump pump. Venting could be also an issue, however, is this something that started happening just recently, or it’s been like that for a long time? Does it also happen when the washer discharged into that line?

If it’s something recent, I’d go with the sewer pipe being partially clogged. You’d have to open the cleanout or separate it preferably at the sump pump discharge pipe connection area, and check for clogs / use rodding equipment if necessary.
answered by darekrudy (21,730 points)