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Bardsie t1_jeenauk wrote

Ah, it's entirely possible the rain water and wastewater sewers are separate in Germany. That would explain it.

As you replied to someone who mentioned the UK, I assumed you were in the UK also. Over here most, if not all, rain and waste water goes into the same sewers.

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kniebuiging t1_jeeohso wrote

well I am pretty sure the actual sewage system is the same pipes for rain water and household water.

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