CL Gilbert wrote
Well this depends. I can unplug my sump now and the water will raise
quickly to the level of the drain tiles and slow down while the tiles
are backfilling with water. So you have to wait a considerable time for
those tiles to fill up. Then since you have previously lowered the
ground water level around yoru house by sumping, you will have to wait
till the ground water level raises as well.

So if you unplug the pump and it only raises to 6" from the top of the
pit, you still have to wait a few days to know for sure if this level is
settled. And yes you also need to know what will happen to it in a rain
storm.

CL Gilbert

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Well said. A gold star for somebody who understands how a sump pump
based drainage system is typically designed & operates.

Gideon