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How to Avoid a Sewer Backup

Few plumbing problems are worse than a sewer backup. This occurs when wastewater and sewage flow in the opposite direction they're intended to

May 05, 2026
How to Avoid a Sewer Backup

Few plumbing problems are worse than a sewer backup. This occurs when wastewater and sewage flow in the opposite direction they’re intended to, typically up through drains, toilets, or sinks in your home. It’s a messy and potentially hazardous situation due to the unsanitary nature of sewage. A sewer backup is not pleasant to think about, but you can take precautionary measures to avoid it.

What You Should do if You Have a Sewer Backup

Locate your main water shut-off valve and tu it off. This prevents further wastewater flow and minimizes potential damage. If possible, do not use drains or toilets because flushing toilets or using drains can worsen the backup and spread contamination. Then, contact a licensed plumber as soon as you can. They have the expertise and equipment to safely diagnose the cause of the backup and clear the blockage.

Our Customers Reviews

Larry R.

Howell Township, NJ

It was a late Saturday night. We had a super stubborn clog in some old galvanized pipes. Mr. Rooter send out Phil. Phil was great! He found the problem pretty quick. With determination and professionalism he final got it cleared out. I would recommend Mr. Rooter and Phil to anyone! He even cleaned up. We are so happy we choose Mr. Rooter!

Rose Bernard

Red Bank, NJ

We had a plumbing emergency and found Mr. Rooter while frantically searching for a 24-hour plumber. We feel like we hit a gold mine. Not only did we get a timely response. Everyone at Mr. Rooter was friendly, professional, competent and went above and beyond. Our plumber, Phil, was extremely helpful and gave us tips we could use moving firwars. Not to mention, the cost was extremely reasonable.

Joseph Chis

Hillsborough, NJ

Had sewer water backup in toilet and tub. Received callback as promised and arrived early. The tech determined we needed the main line to be cleared. He quickly located the opening and had us cleared in minutes. Very happy with the service. I was not prepared for the fee but it was an emergency.

Christopher Cox

Little Silver Township

Plumber, Phil, came out on short notice on a Saturday night and fixed our issue quickly, professionally and courteously. I contacted a different, well known plumbing company right before Mr. Rooter. The receptionist was rude and they didn’t call me back to say they couldn’t make it until after Phil left! The Mr. Rooter receptionist was very nice and they called me back quickly. I’m glad they did.

Debbie Dimitrion

Colts Neck, NJ

I just wanted to say James did a great job at my house. Excellent service, professional and very nice. Thank you so much for helping me with my plumbing problem. Did wonderful job.

Rachel Turunen

Jackson Township

I was very happy that I went with Mr. Rooter’s. The service was very quick and up front. Jessie James was very helpful answering my questions and replacing my hot water heater. He was pleasurable to do business with. If another problem arises in my home, I will be using this company again.

William Holden

Brick Township, NJ

A thorough, professional, pleasant experience. I had a back-up in the 50 year-old pipes of my new home. I called Mr. Rooter to have them locate the blockage, snake the line, and then use their video snake to get a visual of the integrity of the pipes. I’m glad that I called and will use them again for future needs.

LarJ MarJ

Oakhurst, NJ

You get what you pay for. Edwin Robles of Central NJ educated me as a 1st time homebuyer on why and what he was repairing, prevention, PROMPT,(on a sunday at that!) clean, knowledgeable, super professional but DOWN TO EARTH and at a REASONABLE PRICE! Sewer pipes unclogged and main water line fixed. I was no longer crying once job was thoroughly executed. After all $#@* $tinks but somebody has to do it and I HIGHLY recommend him and this company for a job well done. THANK YOU VERY MUCH!!

Margie Rafferty-Criscione

Ocean Township

Absolutely lovely office staff! I always knew when the repair person was coming. Lorenzo our repair guy was awesome, I really don't think there is anything he can't do. He looks young, but don't let that fool you! So happy all the repairs are behind us. We really just did a one-stop shopping and decided to have everything we've put off fixed because it was such a tremendous experience!

How to Avoid a Sewer Backup

Mr. Rooter Plumbing is a premier plumbing company offering superior-quality sewer line services, including sewer repair, trenchless sewer line replacement, sewer line cleaning, and more. In today’s blog post, we’ll outline what you need to do to prevent sewer backups. Let’s get into it.

  • Dispose Of Grease, Fats, And Oil Properly

Never pour grease, fats, or oil directly down the drain. These substances solidify as they cool, and they can easily clog pipes. Let grease cool and solidify, then scrape it into a container and dispose of it in the trash. Install a grease trap under your kitchen sink to capture grease before it enters the main drain.

  • Install Drain Traps

Drain traps act as a first line of defense against blockages. Food scraps, hair, and other debris that might slip through the drain can get caught somewhere along the drain pipes, preventing them from entering the main sewer line and causing bigger clogs further down. Consider installing drain traps in your sinks and other drains. These traps catch food scraps and other debris before they enter the main drain. Make sure you clean the traps regularly to prevent buildup and potential clogs.

  • Clean Drains Regularly

Regularly cleaning your drains might not be the most glamorous home maintenance task, but it’s a crucial step in preventing major plumbing problems and saving yourself money and hassle in the long run. Schedule professional drain cleaning at least every 1-2 years, or more often if you have frequent backups or slow drainage. For minor clogs, you can try using a drain snake or a baking soda and vinegar solution to clear them yourself. If you’re dealing with slow-draining fixtures and your DIY efforts don’t seem to resolve the problem, call a nearby plumbing repair service to perform professional drain cleaning.

  • Get a Sewer Line Inspection

Consider having your sewer line inspected every 2-3 years, especially if you have older pipes or suspect potential problems. A sewer line inspection can help you identify potential issues like cracks, root intrusion, or blockages before they cause major backups.

  • Be Mindful of What Goes Down the Drain

It may seem convenient to flush certain items down the toilet, but remember that your toilet is not a garbage can. Flushing anything other than toilet paper down the toilet can easily clog the system. Only flush toilet paper and avoid flushing wipes, diapers, feminine hygiene products, or other non-biodegradable items. These items can clog pipes and cause backups. Furthermore, flushing non-flushable items down the toilet wastes water.

  • Replace Old Sewer Lines

Aging sewer lines are more susceptible to blockages. If your sewer line is old (over 50 years old), cracked, or frequently clogged, consider replacing it to prevent sewer backups. Hire a trusted plumbing service that specializes in trenchless sewer line replacement to help you install a new sewer line. Experienced plumbers will help you choose a durable material for your new sewer line.

  • Use Your Garbage Disposal Correctly

Many homeowners treat their garbage disposals as trash cans and end up leaing the hard way. Improper garbage disposal use can cause all sorts of plumbing issues, including slow drains and sewer line blockages. To avoid problems, only grind small amounts of food waste at a time and run cold water while doing so. Don’t put fibrous materials like celery or banana peels or greasy items like bones or meat scraps down the disposal, as they can clog pipes.

  • Install A Backwater Prevention Valve

This valve prevents sewage from backing up into your home plumbing system in case of a blockage in the main sewer line. Installation should be done by a licensed plumber to ensure proper functionality and compliance with local regulations.

If you’re dealing with a sewer backup or need professional help with preventing sewer backups, Mr. Rooter Plumbing is one phone call away. At Mr. Rooter Plumbing, we’re here to help with all your residential and commercial plumbing needs.

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