Method
Acoustic Listening
How listening finds pressurized leaks before anything is opened.
Water escaping under pressure makes sound. A sensitive listener placed on valves, fittings and surfaces can hear the leak before it becomes visible damage.
How it works
- Listening at contact points along the suspected route
- Comparing sound levels to narrow the section
- Confirming against background noise baselines
Limits, stated plainly
- Best on pressurized lines; drains need different methods
- Depth and soil dampen the signal
- Results are confirmed with a second method
Where it shows up in our work
Quick answers
Is Acoustic Listening invasive?
No. The method works from surfaces and accessible points; if a small access point is needed to confirm a finding, it is discussed before anything is opened.
Can Acoustic Listening be used on its own?
Acoustic Listening is strongest when paired with a confirming method. Findings are only reported once verified, which is why single-method clues are labelled as such.