Clogged pipes caused drain water to back up into the room.

水管堵塞，排出去的水倒灌入室。

《新英汉大辞典》

Clogged pipes backed up drain water.

阻塞的水管堵塞了沟水。

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When lights fuse, furniture gets rickety, pipes get clogged, or vacuum cleaners fail to operate, some woman assume that their husbands will somehow put things right.

每当电灯保险丝烧断、家具榫头松动、管道堵塞、吸尘器不动时，有些妻子认为丈夫总有办法。

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Unfortunately, after that, the Fed began aerating our monetary water supply to try to compensate for economic pipes that were clogged with what had become the second highest corporate income tax rate in the world.

FORBES: Watching With Horror As The U.S. Plumbs The Depths Of Austerity

Bulawayo Mayor Thaba Moyo told the BBC the "big flush" would keep pipes wet and so prevent them getting clogged up.

BBC: Synchronised toilet flush held in Zimbabwe's Bulawayo