[How To] Check If You Have A Water Leak

  • Water leaks are often discovered when the expensive water bill arrives in the mail
  • Some water leaks are obvious but some are hidden away quietly wasting water and money
  • Checking whether you have a water leak is not hard and you can check for yourself whether you have a water leak.
  • Follow these instructions to check whether you have a water leak
  • If you do have a leak, suspect a leak or are still unsure then consult your local licensed plumber.


If you suspect that you have a water leak or simply want to start checking regularly whether you have a water leak, here is the best way to check and you don’t even need to be a plumber or handyman to complete this water leak detection test.

Instructions: How to Check If Your Property Has A Water Leak

Follow the following simple steps to work out if you have a water leak:

  1. Turn off all taps and water using devices in your house
    Don’t forget about devices like your washing machine, water filters and even sprinkler systems outside.

  2. Locate your Water Meter
    Most water meters are quite easy to find and you should be able see it quite easily having a quick look around the house but in case you need some help finding your meter, click here: https://mywater.com.au/css-web-external/pub/propertySearch

  3. Check the Meter Reading
    More importantly, take a note of the last 3 digits of your water meter reading (usually red numbers)

  4. Wait 5 Minutes
    You can wait a little bit longer to be completely sure but 5 minutes is sufficient.

  5. Check the Meter Again
    Take note of the last 3 digits of your water meter reading again after waiting 5 minutes.

Did the 3 Digits Change?

If the digits changed, unfortunately you have a water leak somewhere. If all of your taps and water consuming devices are completely turned off then those digits will not change because water is not being used.

Water Corporation have a handy tool you can use to calculate how much water you are losing and also let you know the cost of wasted water. Click here https://www.watercorporation.com.au/faults/leak-detection-tool

Pro Tip – Slightly More Advanced Leak Test

If you know where you main isolation tap to your reticulation is a handy tip is to isolate your reticulation and repeat the test.

If you find that there is no longer movement of the 3 digits then the leak is on your reticulation somewhere.

Important Information & Useful Links

Did you know that ideally you should only test your reticulation system on your designated watering days?

Here is some handy information regarding testing: https://www.watercorporation.com.au/home/faqs/saving-water/can-i-test-my-irrigation-system

Not sure which are your watering days? Click here https://www.watercorporation.com.au/save-water/watering-days?gclid=EAIaIQobChMIz7XAl_vr5AIVxBWPCh3WLAvQEAAYASABEgIIH_D_BwE

Did you know that Plumbdog are the leaders in locating and repairing water leaks in Perth?

Not only do we have a wealth of experience, and carry all of the latest equipment to find the trickiest of water leaks, but as we are licensed plumbers we can repair the leak too, and due to the fact that we drive huge service vehicles stocked to the roof with stock we can usually complete the whole job in one single visit, meaning less disruption to you and your busy schedule.

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