How to Cleanup Sewage in Your Crawl Space

Sewage is foul and disgusting. If you have a backup in your crawl space, it can be challenging to clean up. Leaving it can lead to mold, bacteria, and even structural damage. Our guide for cleaning up sewage in your crawl space covers all the basics to restoring your home after a sewage backup. We cover the basics of crawl space sewage cleanup and tips for staying safe.

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How Sewage Spills Occur In A Crawl Space

Unless there are unusual circumstances, there are only two ways for sewage to spill in your crawl space.

Sewage Backup – A sewage backup can cause damage in your crawl space if there is a clog somewhere in the sewer line. As a result, sewage to fill up the pipe and backs up into your crawl space
Drain Pipe Leak – Sewage will also back up into your crawl space is if a drain pipe leaks. Although this is less common, it can be an issue in older homes. Instead of flowing away from your home, the sewage will collect in your crawl space.

Is Sewage In My Crawl Space Dangerous?

Sewage is the wastewater that leaves your home and it contains some unpleasant things. A sewage back up may pose the following risks:

Smells – Sewage smells foul. It can be overwhelming or even make you sick.
Bacteria – It’s also a breeding ground for bacteria that cause many different diseases.
Mold – There is also mold in sewage, which can cause allergies, illnesses, or damage to your home.
Structural Damage – Most sewage is a liquid that can weaken the structure of your home, making it unstable.

Steps for Cleaning Up Sewage in Your Crawl Space

Whether you do the cleanup yourself or hire a water damage restoration company, the sewage cleanup process involves these steps:

Remove the Sewage – Start by removing the sewage with a submersible pump. Alternatively, use a shop-style vacuum. Floor squeegees are helpful at collecting solid material for easier cleanup.
Dispose of Damaged Materials – If you used your crawl space for storage or there are appliances in the area, inspect them for damage. Dispose of items using heavy-duty plastic bags. Set other items aside for cleaning and disinfection.
Dry the Affected Area – Use high-volume fans and dehumidifiers to dry out the area fast and limit the risk of mold and structural damage. For the best results, rent equipment from your local rental agency.
Clean the Area – Clean your crawl space to remove any remaining sewage, dirt, or debris. Use a mold when possible or scrub surfaces with a rag, soap, and warm water. Allow the area to dry before moving to the next step.
Disinfect to Kill Contaminants – Kill mold and bacteria with a disinfectant like bleach. Use one cup of bleach per gallon of water. Although you can wipe surfaces with a rag, it’s much easier to use a spray bottle.
Deodorize to Remove Smells – Smells can linger for days or even weeks. If possible, ventilate the area as much as possible and use fans to pull in fresh air. Sprinkle down baking soda and let it sit overnight, then vacuum it up.
Repair or Replace Damaged Items – If necessary, repair structural supports or appliances in your crawl space. The exact process will vary depending on the extent of your damage.

Tips For Staying Safe During Crawl Space Sewage Cleanup

You can clean up sewage yourself, but you should follow these safety tips:

Wear Protective Equipment – Wear thick boots, pants, long sleeves, long rubber gloves, a ventilator, and goggles. You may also consider wearing a face shield or rubber waders.
Clean and Bandage All Wounds – Disinfect wounds immediately, no matter how minor they seem. Then cover with a waterproof bandage to prevent an infection.
Use a Barrier – Since you need to crouch or lay down in the crawl space, use a tarp or plastic sheeting as a barrier so you aren’t laying directly in the sewage.
Take Frequent Breaks – Take a five-minute break every hour or anytime you feel overwhelmed by the sewage smell.

Who Do I Call For Sewage Cleanup?

If you need help cleaning up sewage in your crawl space, you should call a water damage restoration company. They have truck-mounted pumps to quickly remove the sewage and the tools and training to clean and disinfect your home.