wrote in message
My theories a

A) Our kids are malicious liars.
B) The water came through the foundation walls, flowed uphill, dried
itself off the walls and the carpet through which it came, then flowed
back out from its rallying point.
C) We have hydrostatics troubling us again despite near-drought
conditions.

I am perplexed. What am I overlooking? What fundamental thing do I just
not understand?

D) Alien space ship fueling site.

Does sound strange. Any pipes running under the floor? Do you have hot
water heat? If so, did the installer cut corners years ago and run a pipe
under the floor?

Drains running under it?