A leaking ba.t is a serious problem, but we often don’t know the cause. Here are reasons your ba.t is leaking water and tips about waterproofing..Learn about the steps you need to take to solve ba.t water problems..How to Find a Water Leak in Your House. In most cases the water line running to your home is “metered” for accountability and billing purposes. A leak on your line can be very costly..Water seepage in the ba.t is common for a variety of reasons. This article defines common wet ba.t problems and solutions..