Licensed plumbing, drainage and mechanical service across Metro Vancouver24/7 emergency dispatch · 604 496 1661

Leak decision guide

Before opening a wall or yard, narrow down what kind of water you are seeing.

Water can appear in the same place for very different reasons. A useful diagnosis separates pressurized supply water, drainage, rain, groundwater, and equipment discharge before deciding where access is justified.

Check whether the water is active

Note whether it appears while fixtures run, after rainfall, when a pump cycles, or even when the building is unoccupied. If water is moving or creating damage, call rather than waiting to collect every detail.

Separate supply from drainage

A pressurized leak may continue without fixture use. A drainage issue usually follows use of a fixture, appliance, stack, or sanitary line. This is a clue, not proof.

Look for external patterns

Rainfall, groundwater, irrigation, grading, roof drainage, sumps, and exterior service lines can all send water toward a building without a failed interior pipe.

What to record

Photograph the location, note the first time it was seen, weather, fixture use, affected rooms, visible staining, and whether the water changes when a supply is isolated.

What not to assume

Visible water is not always the source. The lowest visible point may be far from the failed pipe, roof entry, drainage route, or service line.

When access is justified

Testing, meter behaviour, thermal or acoustic investigation, camera findings, and the known pipe route can make a targeted opening more defensible than exploratory demolition.

Get a clear next step

Water appearing without a clear source?

For active water damage, call now. For a planned investigation, share the location, timing, weather or fixture pattern, and any previous reports or photos.

Call 604 496 1661 →Request planned service →
RELATED SERVICE

Water-main and leak repair

See how we narrow the likely failure and define a targeted repair path.

Explore service →
RELATED GUIDE

When a sump pump may be involved

Consider the pump, drainage path, power, and rainfall before assuming a plumbing leak.

Read the guide →
Emergency?Call nowPlanned service?Request service