Why does my laundry room smell like sewage?

It can be unpleasant when your laundry room develops a sewage-like odor. However, there are usually identifiable reasons for the smell as well as solutions. Getting to the root cause is the first step.

Checking Drain Pipes

Over time, drain pipes can collect debris, allowing odors to back up. Running a drain snake or using a plunger to loosen and flush away buildup can help. Checking for cracks or breaks in pipes that allow sewer gas to enter is also advised.

Examining the Washing Machine

If improperly maintained, washing machines can develop mold, mildew and residue inside that causes foul smells. Running empty cleansing cycles and examining hoses and pipes for cracking or blockages is worthwhile.

Assessing the Laundry Room Itself

The room may have high humidity or poor ventilation that allows odors to linger. Checking for standing water from leaks, improving airflow, and using dehumidifiers can make a difference.

Considering Outside Factors

Sometimes, winds or venting issues can carry smells in from external sewer sources. Working with local utilities or specialists to identify and mitigate outside odor transmission may help.

Tips for Eliminating Lingering Sewage Smells

Once the source is found, taking further action to purify the air and surfaces in the laundry room is key.

Cleaning Surfaces and Materials

Wash walls, floors, storage bins and clothing with disinfecting cleaners containing chlorine to kill bacteria and odors. Repeat cleaning weekly at first.

Using Air Purifiers

Portable air purifiers with HEPA filters, or installing whole-house ventilation systems, can remove airborne particles. Activated charcoal filters help absorb lingering odors over time.

Trying DIY Deodorizers

Leaving bowls of white vinegar or baking soda in the room can help absorb humid smells. Citrus peels, essential oils or blooming flowers can add fresh scents to counteract unpleasant ones.

Calling Professional Services

For severe cases from sewage backups or pipe leaks, water restoration and odor remediation services use truck-mounted cleaning units to sanitize and deodorize spaces.

By methodically troubleshooting issues and using thorough cleaning methods, laundry room odors can be successfully banished. With some diligence to identify and address the root causes, your space can smell fresh again.

References

[1] How to Get Rid of Laundry Room Odors – This Old House [2] 6 Tips to Get Rid of Laundry Room Odor – The Spruce [3] Help! How Can I Get the Sewage Smell Out of My Washing Machine? – CNet Home

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