A leaky dishwasher can be a frustrating issue if you’re not familiar with what might be causing the leak. You know the obvious rules of running a dishwasher: only use dishwashing detergent, rinse off food scraps and make sure the door is closed all the way. But if one morning you wake up to discover a wet kitchen floor, then you can be certain the dishwasher needs a check-up. Here are a few potential causes of a leaking dishwasher.