DIYbanter - View Single Post - water in basement :-(

wrote:

Do you have a sump pump? You must have a lot a high water table. The
hydrostatic pressure below the slab is causing the moisture to permeate
the slab. If you don't have a sump you probably need one.

I would go back to the builder and insist that they install a sump well
& pump.

I would go back to the builder and insist they regrade and install drain
tile correctly and waterproof to fix the problem...