Backflow prevention testing is an important part of protecting a property’s water supply. For commercial, industrial, and multifamily properties, a failed test or missed deadline can create compliance and operational problems.

Here are five common issues property owners and managers should watch for.

1. The Backflow Preventer Fails the Test

A failed test can indicate a problem with internal components, valves, or the overall operation of the device.

The device may require repair, rebuilding, or replacement before it can be properly certified.

A failed test should be addressed—not simply documented.

2. The Test Is Completed Too Late

Even when a backflow preventer is working correctly, missing its required testing deadline can create a compliance issue.

This can be particularly challenging for properties with multiple devices and different expiration dates.

A reliable tracking system helps property managers stay ahead of testing deadlines.

3. The Test Report Is Not Properly Submitted

Testing is only one part of the process.

Depending on the jurisdiction, test results may need to be submitted to the appropriate water authority or reporting platform.

A properly completed test still needs proper documentation and submission.

Testing → Documentation → Submission → Follow-up

4. The Device Shows Signs of Wear

A test can reveal components that are worn, damaged, or no longer operating as they should.

Addressing these issues early can help prevent a larger failure later.

Backflow prevention testing should therefore be viewed as both a compliance requirement and a preventive maintenance opportunity.

5. There Is No System for Tracking Multiple Devices

Large properties may have several backflow preventers throughout the building or site.

Without organized tracking, it is easy to miss:

• Testing deadlines
• Pending repairs
• Certifications
• Required documentation
• Previous test results

Managing the entire process is especially important for multifamily, commercial, and industrial properties.

What Happens If a Backflow Preventer Fails?

The first step is identifying the cause of the failure.

Depending on the condition, the device may need to be:

1. Inspected
2. Repaired or rebuilt
3. Replaced if necessary
4. Tested again
5. Properly documented and certified

The specific requirements depend on the device and applicable local regulations.

Why Backflow Prevention Testing Matters

Backflow prevention is not simply about passing an annual test.

It is about making sure the devices protecting a property’s water supply continue to operate properly and that testing, repairs, and documentation are kept up to date.

For property managers, the goal should be simple:

Test on time. Fix problems quickly. Keep accurate records.

That approach helps protect the water supply while reducing the risk of missed compliance requirements.

Frequently asked questions

How often should backflow preventers be tested?

Testing requirements depend on the type of device and applicable local regulations. Many applicable devices require annual testing.

What happens if a backflow preventer fails?

It may need repair, rebuilding, or replacement, followed by another test before certification can be completed.

Who should perform backflow prevention testing?

Testing should be performed by appropriately certified professionals using properly calibrated testing equipment.

Does testing include reporting?

Depending on local requirements, test results may need to be submitted to the appropriate water authority or reporting system.