Wondering how to get rid of septic tank odor outside naturally? If you’ve noticed a foul odor near your home or deck, it’s a clear sign that your septic system needs attention.
A properly functioning septic tank should be odor-free, but issues like leaking septic tanks, buildup of gases like hydrogen sulfide and methane, or a problem in the leach field can create a toxic and gross smell.
Ignoring these issues could lead to costly repairs. Consult an expert in septic tank repairs to address the problem and restore a fresh, natural environment. This blog post will let you know the simple and easiest steps of removing this unpleasant odor naturally. So, have a look into it.
Why Does My Septic Smell Outside?

If you notice a septic smell outside your home, it can be concerning. There could be several reasons, such as septic leaks, broken septic pipes, clogging due to using toilet paper, gas buildup, and many others.
Additionally, issues in the leach field may spread unpleasant odors to the surrounding areas, posing serious health hazards to your family, pets, and the environment.
That’s why it’s essential to perform a regular or scheduled maintenance inspection properly. A well-maintained septic system is necessary for breathing in a positive environment.
Common Causes Of Septic Tank Odor Outside

Here are some common causes of septic tank odors that come from outside of the house such as the yard, garden, or other places.
Clogged Drains Or Blocked Pipes: When drain pipes get clogged with debris, smelly gases waft upward and create an unpleasant odor in the yard or outside the house. Clearing these blockages helps reduce the smells.
Damaged Or Unsecured Manhole Lids: A damaged concrete lid missing its rubber seal may allow septic smells to escape. Make sure to have a secure manhole with a cover so that weather stripping can help keep the odors inside, not outside.
Build-Up Of Noxious Gases: Over time toxic gasses like sewage and smelly gasses build up in your septic system naturally. If it’s not pumped after a long period. Such gases are exposed after a time which causes odors. To prevent this, these gases require a carbon filter or regular upkeep.
Faulty Ventilation: Check your ventilation system in the tank, if the plumbing vent is too small, then it will not allow windows to disperse odors effectively. To prevent it, ensure that adding a carbon filter and extending the vent pipe can enhance its effectiveness and reduce the smell.
Leaking Sump Pumps Or Temporary Repairs: A leaking sump pump or temporary seal that hasn’t been properly replaced allows odors to escape. Do a routine inspection to maintain smooth functioning.
How To Get Rid Of Septic Tank Odor Outside: Professional Vs. DIY

Getting rid of septic tank odor outside can easily be removed by using DIY or natural methods and getting assistance from professionals. Here are some steps that you can consider if you are suffering from septic tank smells in the bathroom or outside your residential place.
Clear Blockages In Drains Or Pipes
Most drains are clogged due to coffee beans, toilet paper, baby wipes, grease, oil, and several other reasons. When such issues are not resolved on time, they create unpleasant smells inside and outside of your house. To unclog this, you can do it at home using tools or natural methods. Use a pie snake or mixture of hot water and vinegar and flush it properly. If a new septic system smells outside, clearing blockages will help a lot.
Seal Manholes And Lids Securely
Next, thoroughly inspect your manhole lid for any kind of cracks or loose seals. For the DIY method, you can use a weather stripping or lag screw to secure the lid.
If you can’t handle it, you can hire a professional septic tank handler who will lose the rubber seal and fix the leaking sump pumps. This will help the septic tank smell in the yard and run smoothly.
Use A Natural Odor-neutralizer
To maintain a natural balance, sprinkle the baking soda septic tank odor or yogurt near septic tank drains or smelly areas. You can also utilize a septic tank odor neutralizer to break down solids such as sludge and scum to reduce unpleasant smells.
Install A Carbon Filter Or Extend Vent Pipes
This method is solely handled by professionals, and DIY implementation may enhance health risks. They will use a special kind of carbon filter in your plumbing vent to reduce the odors. The professional team will help you prevent septic odors outside for better odor control.
Maintain Proper Ventilation
Ventilation is also essential to secure your septic or sewerage systems from sudden gas leakage. This spreads unpleasant odors from the house and causes several health and environmental issues. Do proper ventilation of your septic tank to prevent such issues.
Schedule A Full Tank Inspection
For the best septic tank functioning, do regular or weekly maintenance and inspection of your system. Ensure to use natural methods or chemical-free products so that the necessary bacteria of the septic tank don’t flush down.
If you delay or can’t handle it, you can hire a professional septic system technician to unclog the clogs and remove the main cause of odors. If my septic tank smells outside, this should be addressed and handled immediately.
How Much Does It Cost To Remove Septic Smells?

The cost to remove septic smells can vary depending on the issue. Basic fixes like clearing clogged drains or sealing a manhole might cost $100 to $300. If your septic tank smells in the yard, you could be looking at around $500 for professional repairs. For more complex problems, like replacing components or addressing issues after your septic tank emptied and now smells, costs could climb to $1,000 or more. Regular maintenance can help avoid expensive surprises.
Preventative Measures To Avoid Future Odors

If you want to reduce future odors from your septic tank and inside or outside of the house. Then, here are some preventative measures you can take to avoid future odors:
Ensure to regularly or weekly pump your septic tank from gas and solids buildup.
Use baking soda to remove smells for a balanced pH and bacteria.
Avoid flushing grease, oil, and non-biodegradable items directly into the toilet.
Avoid planting trees or trimming the trees near the septic tank to enhance proper ventilation and airflow.
Use a specialized bacteria treatment to reduce the breakdown effectively.
Schedule professional inspection and maintenance to catch the issues earlier and on-time services.
Conclusion
Getting rid of septic tank odors outside of your house can be removed easily and quickly by following the above methods. If you can’t handle clogging or backup odors by yourself you can take the services of professionals. They will guide you through every step and will also help you prevent future odors issues. It’s highly important to prevent odor issues quickly and on time to secure human health and the environment.
At Barnes Sewer & Septic, we provide services for carefully handling and resolving septic or sewerage-related issues. If you need any of our services, you can call us at (765) 584-7295 and we will be happy to assist you.
FAQs
Is It Normal To Smell Your Septic Outside?
If your septic tank smells outside then it’s not a normal thing for your tank. Taking it lightly can cause serious health or environmental hazards.
Does Baking Soda Help The Septic Tank Smell?
Yes, sprinkling baking soda near the odored area of septic tanks helps reduce unpleasant smells naturally and maintain pH balance.
What Neutralizes Sewage Smell?
Using carbon filters, septic-safe odor neutralizers, and using natural methods can help prevent nasty odors.
What Absorbs Bad Smells Outside?
The most effective methods to avoid bad smells outside your tank are using natural methods, activation of charcoal, and soil treatment for a fresh outdoor environment.
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