The content of a drain obstruction can often dictate the kinds of smells that emanate from your drains and sewers. In some cases, a blockage with no scent can be present, whereas a scent of sewage clearly indicates a blockage formed of sewage. Recognizing the scent and the source of the scents will prove incredibly helpful in eventually resolving your plumbing problem. Recounting these details to a professional plumber like those available at Marvel Sewer and Drain will help inform their choice of solution, and help you save money and time.