How to Effectively Maintain Your Sewer Drain and Prevent Costly Blockages

Updated Aug 03, 2025 By Clever Plumbing & Heating

Maintaining your sewer drain is essential for keeping your plumbing system running smoothly. Clogged drains can lead to overflowing toilets, unpleasant smells, and expensive repairs. According to the Environmental Protection Agency (EPA), clogged sewer lines result in around 25% of all plumbing issues faced by homeowners. By understanding best practices for sewer drain maintenance, you can save yourself a lot of time, money, and stress. Here are some tips and strategies you can easily add to your home maintenance routine.

Know What Not to Flush

One of the best ways to maintain your sewer drain is to inform everyone in your household about what should and should not go down the toilet. Many people don't realize that certain items can cause significant blockages.

Items to avoid flushing include:

• Baby wipes

• Feminine hygiene products

• Cotton balls and swabs

• Dental floss

• Paper towels

  
  

By following these guidelines, you can greatly reduce the chance of clogs in your sewer drain. For example, about 93% of blockages in sewer systems are caused by improperly disposed items.

Regular Cleaning

Cleaning your sewer drain regularly is vital in preventing bacteria buildup that often leads to blockages. A natural cleaning solution of baking soda and vinegar can work wonders.

DIY Cleaning Steps:

1. Pour half a cup of baking soda down the drain.

2. Follow it with half a cup of vinegar.

3. Allow the mixture to sit for a minimum of 30 minutes.

4. Rinse the drain with hot water.

   
   

Not only does this method help clear minor clogs, but it also helps eliminate odors. This can keep your home smelling fresh and inviting, particularly after cooking or other activities that might cause unwanted smells.

Install Drain Strainers

Using drain strainers in your kitchen and bathroom sinks is one of the simplest and most effective ways to protect your sewer drain. These handy devices catch hair, food particles, and other debris before they can cause blockages.

Make it a routine to empty and clean these strainers regularly using warm, soapy water. This small but consistent effort can significantly enhance the health of your plumbing system over time.

A drain strainer helping prevent blockages in the sewer drain.

Be Mindful of Your Garbage Disposal

If you have a garbage disposal, it's crucial to be careful about what you put in it. While these units are handy, incorrect usage can lead to sewer drain problems.

Disposal Dos and Don'ts:

• Do: Run water while operating the disposal.

• Do: Feed it small amounts of food waste.

• Don't: Put in fibrous foods, large bones, or coffee grounds.

  
  

Following these guidelines can help extend the life of your garbage disposal, preventing clogs and costly repairs in the sewer line.

Schedule Regular Inspections

Regular sewer inspections can identify problems before they become serious. Experts recommend having a professional plumber inspect your sewer drain at least every 2 to 3 years.

During an inspection, the plumber can use tools like cameras to find potential blockages or damage in the sewer line. Early detection can save you from repairs that may cost thousands of dollars. For example, the average cost of repairing a damaged sewer line can range from $1,500 to over $10,000, depending on the severity of the issue.

Be Aware of Tree Roots

Tree roots are a common issue that can lead to sewer drain blockages. They often infiltrate sewer lines, causing obstructions and backups.

If you have trees in your yard, take these steps:

• Regularly inspect your yard for signs of root intrusion.

• Consider using root barriers when planting trees near sewer lines.

• Schedule professional root removal if you suspect there is a problem.

  
  

Acting quickly can prevent more severe damage and costly repairs to your sewer system.

Use Enzyme Cleaners

Enzyme-based drain cleaners are a safer, eco-friendly option compared to harsh chemicals, which can damage your plumbing. These cleaners use natural bacteria to break down organic matter, preventing blockages effectively.

Using enzyme cleaners on a monthly basis can help maintain healthy sewer drains, particularly in preventing grease buildup—a common trap for clogs. Studies show that consistent use can reduce backups by up to 40%.

Know the Signs of a Blockage

Being aware of the signs that indicate a blockage is crucial for effective sewer drain maintenance. Proactive actions can save you time and money.

Signs of Blockage Include:

• Slow drains

• Unpleasant odors

• Gurgling sounds from pipes

• Backups in sinks or toilets

  
  

If you spot any of these signs, act quickly. Whether you decide to clean the drain yourself or hire a professional plumber, timely intervention is important.

Educate Household Members

Every member of your household should understand the importance of proper sewer drain maintenance. Educate them on what can and cannot be disposed of in toilets and sinks.

Discuss the issues that can arise from improper disposal, and make sure everyone knows their role in keeping the drains clean. A united effort can lead to long-term benefits for your home.

Invest in a Professional Cleaning

If you haven't had your drains professionally cleaned in a while, consider scheduling this service. Professionals have the right tools and knowledge to remove buildup that regular cleaning may not address.

Though hiring a professional may seem like an extra cost, it can be a wise investment. Regular professional cleaning can prevent future plumbing problems and save you money on repairs in the long run.

Clever Plumbing & Heating offers essential services to help you maintain your home plumbing. Get a free quote.

Remember to always follow safety precautions when working with electrical or plumbing systems to avoid accidents and injuries.

*** The information provided in this guide is intended for general informational purposes only and should not be considered as professional advice. While we strive to provide accurate and up-to-date information, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability, or availability with respect to the information contained in this guide. Any reliance you place on such information is therefore strictly at your own risk.

Before attempting any repairs or maintenance on your water system, please ensure you have the necessary skills and knowledge. If you are not confident in your ability to safely and effectively perform the tasks described, we strongly recommend that you contact a licensed professional. We will not be liable for any loss or damage, including but not limited to indirect or consequential loss or damage, or any loss or damage whatsoever arising from your use of or reliance on the information in this guide.s flawlessly, allowing you to focus on what truly matters—making your house a home.