When a pipe bursts or a fixture starts overflowing, every second matters. Water can move fast, soaking floors, walls, and belongings in minutes. For homeowners in Belmont, MA and surrounding towns like Watertown, Waltham , Cambridge , Lexington , and Arlington, knowing how to shut off your water in an emergency is one of the most important things you can do to protect your home. This is especially important in the greater Boston area. Many homes are older, with aging plumbing