Put in a dishwasher but undertightened the inlet hose because the dishwasher male connector was plastic and I didn't want to strip it. Shoulda' used Teflon paste.
Months later we got a strange pattern on the linoleum floor. Water had gotten between the linoleum and the subfloor and gone several feet.
The flooring guy said he normally drills three holes between the dishwasher or sink space and the flooring. And some covering types resist this better than others.
An additional benefit of the holes is that the cabinet space which abuts an outside wall now gets air from the unfinished basement and so in cold weather we don't need to leave the cabinet doors open.