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Backflow Testing: What It Is and Why You Need It

If you're like most people, you probably don't think much about the water that comes out of your faucets. You just turn on the tap and expect clean, safe water to flow. But what if something goes wrong and the water becomes contaminated? How can you protect yourself and your family from harmful bacteria, chemicals, or pollutants that might enter your water supply?


That's where backflow testing comes in. Backflow testing is a process that checks the integrity of your plumbing system and ensures that the water flowing into your home is free of contaminants. In this blog post, we'll explain what backflow testing is, why it's important, and how it works. We'll also tell you how you can get professional backflow testing services from Anchor Irrigation, the leading irrigation and lighting company in Mansfield, TX.

What Is Backflow Testing?

Backflow testing is a type of plumbing inspection that verifies that your backflow prevention device (BPD) is working properly. A BPD is a device that prevents water from flowing in the opposite direction in your pipes. For example, if there is a sudden drop in water pressure in the main water line, water from your home could flow back into the public water system. This could introduce contaminants such as dirt, debris, fertilizer, pesticides, or even sewage into the water supply.


A BPD prevents this from happening by creating a one-way valve that allows water to flow only in one direction: from the main water line to your home. There are different types of BPDs depending on the level of risk and the type of plumbing system. Some common BPDs are:


  • Atmospheric vacuum breaker (AVB): This device uses air pressure to create a seal that prevents backflow. It is typically installed on irrigation systems or hose bibs.
  • Pressure vacuum breaker (PVB): This device also uses air pressure to create a seal, but it has a spring-loaded check valve that closes when the water pressure drops. It is also used for irrigation systems or hose bibs.
  • Reduced pressure zone (RPZ): This device has two spring-loaded check valves and a pressure relief valve that opens when there is a backflow. It is used for high-risk applications such as fire sprinkler systems or industrial processes.
  • Double check valve assembly (DCVA): This device has two spring-loaded check valves that close when there is a backflow. It is used for low-risk applications such as residential or commercial buildings.

Why Is Backflow Testing Important?

Backflow testing is important because it ensures that your BPD is functioning correctly and preventing contamination of your water supply. A faulty or damaged BPD could allow backflow to occur, which could pose serious health risks to you and your family. Some of the possible consequences of backflow are:


  • Illness: Backflow could introduce harmful microorganisms such as bacteria, viruses, or parasites into your water. These could cause diseases such as diarrhea, dysentery, typhoid fever, cholera, hepatitis, or giardiasis.
  • Poisoning: Backflow could introduce toxic chemicals such as pesticides, herbicides, solvents, or metals into your water. These could cause poisoning symptoms such as nausea, vomiting, headache, dizziness, or even death.
  • Damage: Backflow could introduce corrosive substances such as acids or salts into your water. These could damage your pipes, fixtures, appliances, or clothing.

How Does Backflow Testing Work?

Backflow testing is a simple and quick process that involves inspecting and testing your BPD by a certified plumber or tester. The tester will use a special device called a differential pressure gauge to measure the pressure difference between the upstream and downstream sides of the BPD. The tester will also check for any leaks, cracks, or signs of wear and tear on the BPD.


The tester will then perform a series of tests to verify that the BPD is closing properly when there is a backflow. The tester will record the results and issue a report that indicates whether the BPD passed or failed the test. If the BPD passes the test, no further action is required. If the test results show that the device is faulty or malfunctioning, the professional will repair or replace it as needed. The professional will also provide you with a written report of the test results and any recommendations for maintenance or improvement.

How Often Should You Get Backflow Testing?

The frequency of backflow testing depends on several factors such as the type of BPD, the type of plumbing system, and the local regulations. Generally speaking, you should get backflow testing at least once a year for most residential and commercial applications. However, some high-risk applications may require more frequent testing such as every six months or every quarter.


You should also get backflow testing whenever you install a new BPD, modify your plumbing system, or notice any changes in your water quality or pressure. Additionally, you should follow any recommendations from your local water authority or health department regarding backflow testing.

How Can You Get Professional Backflow Testing Services?

If you need professional backflow testing services in Mansfield, TX, or the surrounding areas, you can count on Anchor Irrigation. We are a licensed and insured company that specializes in irrigation repair, irrigation installation, permanent lighting, french drain services, and backflow testing. We have years of experience in the industry and we have certified backflow testers on our team.


We can perform backflow testing on any type of BPD and plumbing system. We use state-of-the-art equipment and follow the highest standards of quality and safety. We also offer competitive pricing and excellent customer service. We are available 24/7 for emergency services and we guarantee your satisfaction.


Don't take any chances with your water quality and safety. Get backflow testing today and protect yourself and your family from the dangers of backflow. Call us at (817) 296-1538 or fill out our online form to schedule an appointment. Contact us today and let us take care of your backflow testing needs. We look forward to serving you!

February 12, 2025
Upgrade your irrigation system today with a smart controller and enjoy the benefits of water conservation, convenience, and a healthier landscape. Contact Anchor Irrigation at (817) 296-1538 for professional installation and expert irrigation system services!
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