Water accumulates on the bottom of the ref...

Hi: The defrost drain is most probably clogged. The defrost water is not going to the pan to evaporate. Therefore running wherever it can. Not knowing the style of the fridge I would recomend looking at a parts list, available on line at sears parts It would give you an idea where it is. The drain will be below the evaporator in the freezer, that's the coils snaked back and forth. Find the drain usually a hole beneath them and snake it out with a pipe cleaner or use a solution of Clorox bleach and water (Hot.) I hope this helps. Next time give us a model number or at least the type of fridge. I hope this helps, Jeff