How Backflow Affects Your Plumbing System


Your home’s water supply is safe, most of the time. It flows in the right direction and the plumbing system in your home operates without interruption. Yet, every once in awhile, instances occur that can put your household’s health at risk. When water flows the opposite way, we call this “backflow.” This plumbing occurrence is unnatural and very dangerous.

What Is Backflow?

When a plumbing system is working correctly, it brings clean water into the house and removes wastewater. It’s when there is a change in water pressure that backflow can happen and wastewater back up into your sinks, bathtubs, toilets, and floor drains. A change in water pressure can be the result of a water main break, hydrant flushing, or flow testing. It’s why when these things happen in a neighborhood, homeowners are alerted by phone, text, or even by the local media to boil their water.

Sometimes the problem isn’t an outside problem. It’s an issue with the plumbing in your home. No matter what is causing the backflow, it’s important that the problem is fixed right away. Drinking water can be compromised causing serious health concerns.

Why Cross-connection Is Dangerous

Cross-connection is an event when clean water intersects or mixes with wastewater. Some plumbing systems are more at risk for this happening and should install backflow prevention assemblies to prevent wastewater from getting back into the public water system. Usually, it’s companies that are regulated by municipal codes to install a backflow prevention device and have it regularly tested.

How do I know if I need to install on at my residence?

We suggest calling one of our Newbury Park plumbers to determine if you need to worry about cross-connection contamination. Our plumbers will determine the following:

  • If there is a city code requiring the installation of a backflow prevention assembly
  • The level of health hazard
  • The type of assembling needed

We’ll take care of ordering all the parts and getting the prevention assembly installation reviewed and approved by the appropriate administrative agencies.

If you think your household’s clean water has been contaminated, call My Newbury Park Plumber Hero. We’ll send one of our emergency plumbers in Newbury Park to your home to test the water and make repairs. Our team will work quickly to make sure this problem is corrected right away, so you can go about your day without worrying about cross-contamination and meet city code requirements.

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