Spills

Reporting Spills

Report a spill

You must immediately report a spill to the 24-Hour Spill Report Line:

The Government of the Northwest Territories maintains a database of hazardous material spills reported to the 24-Hour Spill Report Line. 

Reportable Quantities for NWT Spills

Note: L = litre; kg = kilogram; PCB = Polychlorinated Biphenyls; ppm = parts per million

Substance

Reportable Quantity TDG Class

Explosives

Compressed gas (toxic/corrosive)

Infectious substances

Sewage and Wastewater (unless otherwise authorized)

Radioactive materials

Unknown substance
Any amount

      1.0

2.3/2.4

6.2

6.2

 

7.0

  None

Compressed gas (Flammable)      

Compressed gas (Non-corrosive, non-flammable)
Any amount of gas from containers with a capacity grater than 100L

      2.1

 

      2.2

Flammable liquid ≥100 L 3.1/3.2/3.3

Flammable solid

Substances liable to spontaneous combustion

Water reactant substances
≥ 25 kg

4.1

4.2

4.3

Oxidizing substances ≥ 50 L or 50 kg      5.1

Organic peroxides

Environmentally hazardous substances intended for disposal
≥1 L or 1 kg

5.2

 

9.0

Toxic substances

≥ 5 L or 5 kg

6.1

Corrosive substances

Miscellaneous products, substances or organisms
 

8.0

9.0

PCB mixtures of 5 or more ppm ≥ 0.5 L or 0.5 kg       9.0  
Other contaminants--for example, crude oil, drilling fluid, produced water,
waste or spent chemicals, used or waste oil, vehicle fluids, wastewater.
≥ 100 L or 100 kg     None

Sour natural gas (i.e., contains H2S)

Sweet natural gas
Uncontrolled release or sustained flow of 10 minutes or more    None

Flammable liquid

Vehicle fluid

≥ 20 L

When released on a frozen water body that is being used as a working surface

3.1/3.2/3.3

   None

Reported releases or potential releases of any size that:

  1. are near or in an open water body;
  2. are near or in a designated sensitive environment or habitat;
  3. Pose an imminent threat to human health or safety; or
  4. Pose an imminent threat to a listed species at risk or its critical habitat
Any amount    None