Explore Your Path to Success: Check Out Our Exciting Career Opportunities! Read More

Skip navigation

24/7 Emergency Service


Proudly Serving Appleton, WI and the Fox Valley


Tureks Plumbing Services Blog

Help! My Washing Machine is Backing Up Into my Sink

Few household mishaps in Appleton, WI, are as frustrating and unsanitary as discovering that your washing machine is backing up into your sink.

The sudden realization of dirty water pooling in your sink and the potential mess it can create can be overwhelming. Here are some of the possible causes of why this is happening and a few practical solutions to handle the issue!

Understanding the Problem

Before we look at the solutions it’s important to understand why this issue might be occurring. Your washing machine and sink drainage systems are connected to the same main sewer line. If there’s a blockage or restriction in this line it can lead to water from the washing machine flowing backward into the sink.

Possible Causes

  • The most common reason for water backing up into your sink is a clogged drain line. Over time debris, lint and other materials can build up in the pipes obstructing the free flow of water.
  • Drainage systems often use vents to allow air to escape and prevent pressure build-up. If the vent is blocked or malfunctioning it can disrupt the drainage process.
  • Sometimes the issue might be beyond your immediate plumbing fixtures. A clog or blockage in the main sewer line can impact multiple drains in your home.

Steps to Resolve the Issue

  • If you notice water backing up it’s important to stop using the washing machine immediately. Continuing to use it could worsen the problem and lead to further backups.
  • If the sink appears to be clogged try using a plunger to dislodge the blockage. Use a wet cloth to cover the overflow drain in the sink or adjacent basin before plunging. This will help create proper suction.
  • Examine the drain hose of your washing machine to ensure it’s not kinked or obstructed. Make sure the hose is properly inserted into the drainage pipe.
  • The P-trap is a curved pipe under the sink. It can collect debris and contribute to clogs. Carefully remove and clean it out. Wear gloves and have a bucket ready to catch any water that might spill out.
  • You can try using drain cleaning products or tools like a plumbing snake to reach and remove deeper clogs. 
  • If your efforts don’t fix the problem, seek professional plumbing assistance.

Preventing Future Backups

  • Schedule routine drain maintenance to prevent buildup in your pipes. This might include using drain screens to catch debris and periodically flushing your drains with hot water.
  • Consider installing lint traps on your washing machine’s drain hose to catch lint and debris before they enter the plumbing system.
  • Be mindful of what you put down your drains. Avoid pouring grease, coffee grounds and other debris that can contribute to clogs.

Facing a situation where your washing machine backs up into your sink can be stressful. By understanding the possible causes and taking steps to address and prevent the issue you can ensure that your plumbing system functions smoothly and your home remains a clean and comfortable space.

Contact Tureks Plumbing Services to schedule your appointment today! Terrific People, Terrific Service.

Comments are closed.