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Septic Odor In House

Have you ever walked into your home and been overwhelmed by a strange smell? If so, there’s a good chance that the source of the odor is your septic system. Septic odor in house can be embarrassing and frustrating. While septic odor can be unpleasant, it’s important to know what’s causing it and how to fix it. 

There are many potential causes of septic odor in a house. In some cases, the problem is easy to solve. Learn more about the most common causes of septic odor and what you can do to address them.

Septic Odor and its Common Causes

Septic odor is caused by the release of methane and other gasses from the septic tank. The smell can be strong and unpleasant, but it is not harmful.

Septic odor is often a sign of a problem with the septic system. Some of them are the following:

  • A problem with the tank – this can include a leak in the tank, a problem with the outlet pipe, or a clog in the tank. 
  • Issues in the drain field can also cause septic odors. This can include a clog in the drain field or a problem with the soil itself. 
  • A leak in the sewer line or a blockage in the vent stack can cause the smell to come into your house. This prevents ventilation and trapped air from moving efficiently inside your pipe systems. 
  • The presence of sewer tank odors in your yard generally implies that your plumbing vent isn’t working effectively. In particular, homes located in wooded areas and valleys are more prone to this issue.

How to Address Septic Odor Problems

If you are experiencing a septic odor in your house, the first step is to identify the source of the smell. Once you have identified the source, there are several steps you can take to address the problem:

  • Inspect your sewage system pipes for crushed or broken sections to ensure they are in good working order. Have a professional plumber inspect the pipes for roots growing and obstructing them.
  • If your house is located in a low-lying location, on a hillside, or near a forest of trees, there may not be enough wind to push the smells away from your outside living area. Seek help from a professional plumber to be able to devise a way to remove the odor in this situation.
  • To reduce the amount of waste generated, save your water and refuse items in a container that can be disposed of in a garbage collection. Avoid pouring fats, oils, coffee grounds, cleaning solutions, paints, or other chemicals down sinks or bathtub drains. Once a week, add a cup of baking soda to a sink drain or toilet to maintain the correct pH level in the septic tank.
  • To minimize septic smells, install a carbon filter on the top of the plumbing vent. The filters should be replaced every 1-5 years to stay efficient.

Leaking sewage is a serious health hazard for both animals and people, so any leaks should be addressed as soon as possible by a qualified plumber. Call us today at (650) 263-7613 for professional plumbing assistance.


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