​Its not hard to recognize the terrible odor of sewer gas and, when its leaking into your home, it can be very unpleasant.  But, is the smell the only problem with sewer gas leaks?  Does it present a danger to the home’s occupants? Sewer gas leaking into a home has the potential to be very dangerous.  Among the dangers are: possibility of explosion or fire, danger of asphyxiation due to sewer gases displacing oxygen and even risk of hydrogen sulfide poisoning which has the potential to be lethal.
As you can see from the above list, if you are smelling sewer gas in your home, you should do something about it.  So, what are some of the more common causes for sewer gas to leak?  Here are a few of them:

  • Dried out plumbing fixtures and plumbing traps.  The lack of water barrier in a dried plumbing trap will cause sewer gases to leak back into the home.
  • Bathrooms, toilets and sinks that are not in use very often especially in periods of dry weather.
  • Cracks in ventilation pipes and plumbing drains
  • Cracks in foundations
  • Plumbing vents positioned too close to air intakes
  • Wind and air flow around the home

From this list we can see that there are a variety of reasons why sewer gas could leak into your home.  We’ve also seen that it could pose a danger to the home’s occupants.  Do not ignore sewer gas leaks but make sure you have them checked out by a professional.