Water lines are meant to last up to a century under the right circumstances. That means that for a number of people, replacing the water line will never be an issue. Sooner or later, though, every water line will need to be replaced. You can tell if your water line might need replacing by watching for a number of signs. The sooner you recognize the signs, the sooner you can have the line replaced before more serious problems are caused. Let’s take a look at some of those signs now.