Water under carpet in basement can be a frustrating and difficult problem to fix. Sometimes it can be as simple as a leaky pipe or a clogged drain, but often it's not so easy. When you have water under carpet in basement, you may notice that the carpet is always wet and that there is a musty smell in the air. This can be due to a leaky pipe or a leaky sump pump, but it could also be due to a plumbing issue that needs to be fixed. If you are experiencing water under carpet in basement, call your local plumber to come out and fix the problem.