Guide

Heating-Oil Tank Leak in Quebec: Emergency, Insurance and Contamination

Stop exposure without spreading the product, notify the right responders and document soil, water and building impacts.

Fire, strong odour or immediate danger: move people away, avoid flames and ignition sources, and call 911 when safety is threatened. Do not enter a contaminated space or repair the tank without appropriate competence and equipment.

Limit spread safely

If safe, close the supply using the intended control and keep oil away from drains, sewers, wells and waterways with compatible absorbent materials. Never wash heating oil outdoors or into plumbing.

Notify promptly

Contact the supplier or qualified technician, your insurer and an environmental-response contractor. An accidental release of a contaminant into the environment may need to be reported to Urgence-Environnement. Notify the municipality, landlord or neighbour when their infrastructure or land may be affected.

Document the extent

Record the time, tank level before and after, recent delivery amount, odour, affected areas and weather. Take photos without walking through the product. Keep delivery and maintenance invoices, tank age, calls, reports, sampling and temporary-expense records.

Cleanup and return

A visibly clean surface does not establish that soil, insulation, concrete or groundwater is safe. Have the work, testing and closure criteria defined by the appropriate professionals and authorities. Do not use the equipment before inspection and authorization.

Urgence-Environnement — Quebec.ca (French)

Version française →

Official sources are linked in the guide. Reviewed August 29, 2026; confirm current instructions and deadlines with the responsible authority.
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