A hidden water leak in the bathroom won’t stay hidden forever. Leaking water always gets worse and becomes obvious—as does the extent of damage that occurred while it was hidden. It’s important to notice the subtle signs of a hidden water leak in the bathroom to prevent it from developing into a total pipe rupture or a collapsed wall or ceiling. Before water damage that will be impossible to ignore occurs, here are some signs that you may need the services of a professional plumber to trace a hidden water leak in the bathroom.