Hazardous Household Waste (HHW) is post-consumer waste that poses a threat to public health and the environment. This category includes paint, paint cans, batteries, aerosol cans, medication, vehicle batteries, fluorescent tubes, compact fluorescent bulbs, spent propane canisters, chemicals, and electronic products (e-waste).

Flyer: Recognizing household hazardous waste and precautions for handling HHW

Annual drop-off day

Temporary drop-off points are set up across the island of Montreal from April to October and open to all residents of the Montreal agglomeration. This year, the annual drop-off in Montreal West will take place at Public Works (250 Bedbrook) on Sunday, May 25, 2025, 9 a.m. – 5 p.m.

Date and locations of alternative HHW drop off sites across the island

Drop-off procedure

  • Bring proof of residence on the island of Montreal.
  • Organize the waste into containers and put them in the trunk. Make sure that the products are well organized in waterproof containers and separated from each other. For example, pool chlorine must be kept separate from other products.
  • When you arrive at the front of the line, turn off your vehicle and open the trunk. The waste will be retrieved directly from your trunk by an employee.
  • Stay in your vehicle when possible.

Public Works cannot accept these items on any other day of the year. To drop-off items any other day, please go to one of Montreal’s Ecocentres.

Accepted materials

  • Adhesives
  • Alcohol
  • Primers
  • Undamaged compact fluorescent bulbs and other bulbs containing mercury (Hg symbol on the bulb or light fixture, or mention of mercury on the package)
  • Rust inhibitor
  • Batteries (lead/acid)
  • Propane tanks
  • Aerosol cans
  • Empty containers
  • Fire extinguishers
  • Fuel
  • Paint remover
  • Drain cleaner
  • Degreasers
  • Varsol™ type paint thinner
  • Epoxy
  • Oil filters
  • Tar
  • Oils: linseed, engine, vegetable
  • Mercury
  • Paints: latex, alkyds, enamel
  • Pesticides and fertilizers
  • Batteries
  • Wood preservatives
  • Chemical products for swimming pools
  • Maintenance products
  • Cleaning products
  • Acrylic sealant
  • Dyes
  • Turpentine
  • Fluorescent light bulbs
  • Varnish

Refused materials

  • Asbestos
  • Firearms and ammunition: take to the police station
  • Smoke alarms: throw in the household waste
  • Cylinders of compressed gas other than propane: insulating foam, welding gas, helium, CO2 cylinders, etc.
  • Biomedical waste: contact a healthcare professional (pharmacy, hospital, local community services centres – CLSC in French)
  • Radioactive waste
  • Pyrotechnic materials (fireworks, flares): take to the police station
  • Medications: return to the pharmacy
  • Products containing PCBs
  • Laboratory products
  • Explosive products (picric acid)

E-waste recycling station in Montreal West

The Town has an Electrobac in the entrance of the John A. Simms Community Centre located at 8 Westminster Ave. South to offer you a convenient location to recycle your old, small, electronics.

The Electrobac accepts a wide variety of small electronic devices including cell phones, cameras, MP3 players, ink cartridges, peripherals, headphones and chargers among many others. To see a complete list of recyclable items, visit www.electrobac.com.

Alternative waste collection network

Nearest Ecocentres

Household hazardous waste collection is available only to individuals living on the island of Montreal. Contractors and industries must deal with private firms specialized in the recovery of hazardous waste.

We suggest that you check the opening hours on the Ecocentre website before heading over.

Écocentre Côte-des-Neiges

Écocentre Lasalle

Due to COVID-19, there are special instructions to follow during the collection. Please see below.

Drop-off procedure

Please bring proof of residence on the island of Montreal.

If arriving by car:

  • Organize the waste into containers and put them in the trunk.
  • When you arrive at the front of the line, turn off your vehicle and open the trunk. The waste will be retrieved directly from your trunk by an employee.
  • Stay in your vehicle when possible: If you need to exit you must wear a mask and maintain a 2m distance.

If arriving by foot or by bike:

  • Proceed directly to the site using the sidewalk. If you arrive at the same time as other pedestrians or cyclists you can form a separate line on the sidewalk.
  • Wear a mask and maintain a 2m distance from others at all times.