If you are experiencing a plumbing emergency such as a blocked drain, or a burst pipe, call us straight away!
Protect your water supply and stay compliant
If you have received a council reminder, manage a property with a registered device, or want to make sure your drinking water is protected, we can help.
We provide backflow testing Gold Coast property owners rely on to keep devices working properly and meet ongoing compliance requirements.
After completing the backflow device testing, explain what the result means, and let you know clearly whether the device passes, needs repairs or should be replaced.
We are a family-run Gold Coast team, servicing residential and commercial properties since 2002, with QBCC licensing, upfront pricing and 1500+ 5-star Google reviews. If you need backflow prevention testing, book with us today.
On-Time Guarantee $100 gift card!
DCM Plumbing guarantees to arrive within the agreed 2-hour arrival window for your appointment. If DCM Plumbing arrives outside of this window, you are eligible to receive a $100 gift card!*†
Clear pricing
Upfront options before we start
Respectful service
Good work, communication & quality parts
Long-term peace of mind
Preventative checks to reduce repeat issues
What backflow testing covers
Backflow is when contaminated water flows the wrong way and has the potential to enter the clean drinking water supply. That can happen when pressure changes in the system and a backflow prevention device is not working as it should.
What backflow is and why it matters
A backflow prevention device acts like a one-way valve. Its job is to stop water from reversing direction and carrying contaminants back into the potable supply. That matters anywhere there is a risk of polluted water coming into contact with the drinking water line, including irrigation systems, commercial sites, fire services and other higher-risk connections. If you want a plain-English overview first, our guide to what a backflow prevention device is is a useful starting point.
Your obligations and how often testing is needed
If your property has a registered testable backflow prevention device, annual testing is typically required. Depending on the property and device, council or the relevant water authority may require registration, ongoing inspection and reporting. The City of Gold Coast also states that the licensed plumber must submit the testing report within 10 business days after inspecting or testing the device. If you are unsure what applies to your property, we can help you understand what needs to happen next.
Who usually needs backflow testing
Backflow testing is common for both residential and commercial properties, especially where there is irrigation, pools, fire services, body corporate infrastructure, property management obligations or higher-hazard plumbing connections. We also work with homeowners, businesses and managers who want a broader look at site plumbing through services like plumbing inspections and general plumbing maintenance.
Device types and related water safety services
Backflow devices are not all the same. Depending on the site and risk level, the device may be a testable RPZ or RPZD style device, or another approved type such as a dual check valve. Some properties also have related water safety valve requirements that sit alongside the broader plumbing system. Where relevant, we can also help with nearby plumbing issues that affect water performance and protection, including water hammer problems, water filtration installation and other site plumbing concerns.
What happens during a test and after
We attend site, isolate the device as required and use specialised testing equipment to check whether it is operating properly. If the device passes, you know it is doing its job. If it fails, we explain whether repair, servicing or replacement is the right path. We can also help with the next step if more plumbing work is needed, and where appropriate we can provide supporting documentation and a free plumbing quote for follow-up work.
How to stay on top of compliance
Backflow testing and compliance is easier when you do not leave it to the last minute. If your device is on an annual cycle, the simplest approach is to book testing before your deadline and deal with any repairs promptly if the device fails. We can help you stay ahead of repeat compliance issues and keep the process clear from one year to the next.
Why choose us?
We keep compliance work practical and straightforward.
We show up, test properly, explain the result clearly and let you know what needs to happen next without the runaround.
We are local, family run, QBCC licensed and have been servicing the Gold Coast since 2002. We also provide upfront pricing before work starts, so you have clarity from the beginning.
You can read more on why choose us, see how we work on our process, and check the areas we cover on our Gold Coast locations.
Locations We Perform Backflow Testing
- Coombabah
- Coomera & Upper Coomera
- Helensvale
- Hope Island & Sanctuary Cove
- Oxenford
- Labrador
- Pacific Pines
- Paradise Point
- Parkwood
- Pimpama & Ormeau
- Runaway Bay
- Yatala
- Jacobs Well
- Norwell
- Kingsholme
- Maudsland
- Wongawallan
Book one our Backflow Testing specialists
If your annual test is due, your device has failed, or you need a backflow plumber to help you understand what applies at your property, get in touch today.
We provide backflow testing services for homes, commercial sites and managed properties across the Gold Coast.
If you need backflow testing and compliance handled by a local team that values clear communication and proper workmanship, we are ready to help.
Backflow Testing FAQs
Backflow is when water flows in reverse and has the potential to carry contaminants into the clean drinking water supply. That is why backflow prevention devices are used, especially where there is a higher risk of chemicals, pollutants or non-potable water coming into contact with the system.
Helpful Tips for Backflow Testing
Some useful resources you might find helpful:
*We don’t charge call out fees. We assess the plumbing issue and give an upfront price to fix it. If you decide not to proceed with the repairs, a diagnostic fee will apply.
†The applicable 2-hour arrival window may be changed by DCM Plumbing where required, with the updated time communicated to the customer.
