Fresh tap water and bathroom use on demand are possible thanks to indoor plumbing. First introduced in the early 20th century, indoor plumbing has become an essential part of modern life. Like any system, indoor plumbing systems require continual maintenance and repairs in order to keep costs low and avoid the need for extensive repairs in the long run. Here are some tips from licensed plumbers to cut down on your water bill and ensure that your plumbing lines are secure. The Cost of Ignored Plumbing At any given time, a majority of U.S. homes are experiencing some form of…