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The Basics of Backflow

In most places (including Annapolis), commercial buildings and multi-family homes must have backflow prevention devices. These devices must also undergo regular testing by professional plumbers who are authorized to do it. This is a requirement because the dangers of backflow are so great that they can affect the water supply for hundreds or thousands of people if a backflow preventer fails. 

But it’s not just commercial and apartment buildings that need backflow preventers. Homes with sprinkler systems also need this maintenance and must be tested regularly. This article will explain the dangers of backflow and how backflow testing helps to prevent this potentially disastrous situation.

Why Is Backflow Dangerous?

Backflow happens when wastewater flows backward into a plumbing system, contaminating the clean water in that system. This usually happens because of a sudden change in pressure, such as a broken water main or firefighters accessing the municipal plumbing system to fight a fire nearby.

If wastewater is allowed to flow back into a system, contaminating the clean water, it can threaten the health of anyone who comes into contact with that contaminated water. Ensuring the contamination is dealt with effectively is extremely time-consuming and costly. This is why backflow is so dangerous — and why backflow testing is so important.

What Backflow Testing Entails

Backflow preventers need to be tested regularly to ensure they function properly. Since a single faulty backflow preventer can have such wide-ranging consequences, most local ordinances require that they’re tested annually. However, some localities require less frequent testing than this. It’s best to check local laws to see how often these devices must be tested. 

A professional plumber performs the testing process itself, and it is a relatively quick process. The plumber will test the device to ensure it will act as needed during sudden pressure changes. The specifics of these tests will depend on the type of backflow prevention device. Once signed off by a certified backflow testing plumber, the device will be good to use until the next test is required. 

The Critical Importance of Backflow Testing

Water contamination can happen in several ways. Most people think of wastewater when they think of possible contamination. However, pesticides and dangerous chemicals can also work into the water supply if backflow testing isn’t done regularly. The water may be shut off in many places if the backflow testing isn’t done on time. 

For homes, backflow testing helps ensure that contaminated water from the sprinkler system doesn’t get into the home’s plumbing. Irrigation systems are often more susceptible to wear and tear from the elements, tree roots, or breakage during landscaping or yard work. If the backflow preventer isn’t tested regularly, it could fail and allow dirty water into the system, threatening the health of those who live in the house. 

So backflow testing is important whether it’s a commercial building, an apartment building, or a single-family home with a sprinkler system. It can help ensure drinking water stays clean, preventing a public health emergency. 

About Heidler, Inc. 

The friendly professionals at Heidler, Inc. have been serving Annapolis, MD, with dedication and honor since 1947! As a family-owned-and-operated business, they pride themselves on expert workmanship and efficient service. They also provide flat-rate pricing, so there are no surprises! Contact them today for backflow testing in Annapolis, MD.

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