How to Detect an Underground Water Leak and What to Do

Are there unexplained damp patches on your lawn? Ever had unusually high water bills without a clear cause? These are classic signs of an underground water leak.

Underground leaks don’t draw attention like a dripping tap or a noisy pipe inside the house. Since they sit beneath the surface, most people don’t discover them until the signs start adding up and damaging the property. Let’s go over the signs of a leak below ground as well as detection methods, so once it’s confirmed, you know what to do next.

Why Underground Water Leaks Matter

Underground leaks are serious and can lead to unfavourable consequences if neglected. These include:

High water bills due to water wastage
Soil erosion

Foundational damage
In severe cases, flooding

To prevent costly plumbing repairs and unnecessary stress, early detection is key. Trust professional leak detection services to determine problems quickly and avoid property damage.

Signs of an Underground Water Leak

Underground leaks manifest in various ways. Generally, these are the usual signs to look for.

The water bills are going up without a clear reason – When there are no significant changes in your water habits, but the bills are getting higher.

The water meter moves even when nothing’s running – If all the taps are turned off, but the meter continues running.

Patches of lawn that stay wet or unusually green – A spot that looks healthier than the rest of the yard often means water is flowing under that area.

Small cracks or dips in concrete – Hidden leaks can cause the ground underneath to shift and concrete to crack.

Noticeable drop in water pressure – When water escapes underground before it reaches your taps, pressure may drop.

How to Detect an Underground Leak

There are two main approaches: DIY checks and professional leak detection. Doing your own checks first gives you a good idea if there really is an underground water leak. But finding the exact spot underground calls for specialist equipment and expertise.

Unsure how to find a leak yourself? In the following sections, we’ll guide you on how to do DIY checks and introduce you to professional detection methods.

DIY Checks for Homeowners

To do the initial check, here are simple steps anyone can try:

Turn off all taps, then check the meter – Give it a few minutes and see if the numbers move. It’s a strong indicator that a leak exists somewhere below ground.
Walk around the yard – Look for damp soil or areas with more growth than the rest of the lawn. Sometimes you’ll even notice a musty smell near the ground.
Listen for water movement – You might hear a soft hiss or trickle near outdoor pipes or irrigation lines, especially in the early evening when the yard is quieter.

Inspect visible pipework – A quick look at outdoor plumbing and irrigation can help rule out anything obvious.

While these steps won’t identify the exact location below ground, they help confirm whether an underground leak is worth investigating further. Once you’ve done these steps, you can call plumbing professionals to have a look. The best ones, like Zabs Plumbing, offer a range of general plumbing services to keep your drains, pipes, and taps working efficiently.

Professional Leak Detection Methods

If you think there’s an underground leak, it’s time to bring in the pros. Licensed plumbers use advanced tools and conduct testing designed to locate the source accurately.

Acoustic listening devices for picking up the faint sound of water escaping
Thermal imaging to highlight temperature differences in the ground
CCTV drain cameras to inspect pipe interiors
Tracer gas testing, where a harmless gas helps reveal where it escapes from the pipe
Pressure testing to identify sections losing water

These devices and methods are non-invasive, which helps save time and minimise property disruption. For professional detection, contact Zabs Plumbing, one of Melbourne’s most trusted for long-term repairs that bring peace of mind.

What to Do Once a Leak Is Found

Once an underground water leak is detected, what’s next? First on your action plan should be to shut off the water supply. From there, call a licensed plumber and request a detailed inspection. If they find a problem, they will do the necessary repairs upon your go signal. Then, they will conduct a retest once finished.

Acting quickly protects your home and keeps water use at a normal level. It’s important to partner with an experienced plumber to ensure repairs are done right the first time, reducing the stress associated with recurring issues.

Key Takeaways

Underground leaks are serious but very much manageable with prompt action and the right residential plumbing services. Watch out for signs like water bill spikes and soggy lawns to keep bigger problems from coming up.

Being proactive can help you detect hidden problems. Professional help then ensures the leak is fixed properly. To diagnose a leak with precision, reach out to local experts for reliable support.

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