Kitchenaid-bottom-freezer-ice-maker-leaking, clogged or freezing defrost drain if the defrost drain is frozen, the water will overflow the drain trough and drip down to the bottom of the compartment. this water can eventually leak onto the floor. check the defrost drain to determine if it is clogged or frozen.. We have ice on the bottom of our freezer on our kitchenaid refrigerator. water is leaking from the back left corner. ice maker works and water dispenses. filter was changed about a month ago.