A new plumbing sound is worth noting, but sounds alone rarely identify the repair. The timing and affected fixture provide the better clues.
Match the sound to the moment
A knock when a tap closes can relate to a sudden change in water flow. Gurgling at a drain may suggest restricted air or drainage. A whistle at one fixture could come from that fixture, while noise across several fixtures may point elsewhere. A water heater or boiler can make operating sounds too, so note whether performance has changed.
Record a short clip if the noise comes and goes. Write down which tap or appliance was running and whether the sound started after recent work.
Share the pattern
If the noise is accompanied by a leak, wastewater backup, gas odour or loss of hot water, treat that symptom as the priority. Our plumbing repair team can use your observations to plan an assessment.
Record the trigger, not just the sound
Try to identify whether the noise happens when water starts, while it runs, when a tap shuts, or when a drain empties. Note whether it is new and whether one fixture or several are involved. A short recording may help if the sound is intermittent, but it cannot prove which part is failing.
For a water heater noise, include the heater type and any change in hot-water delivery; our water-heater noise guide has more detail. For gurgling with slow drainage, see why drains keep clogging. If there is a gas smell, leave the area and follow FortisBC’s emergency steps before making a routine service request.