Link to the Government of Ontario's website opens in a new window Ministry of the Environment
and Climate Change
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Welcome to the Hazardous Waste Information network (HWIN). HWIN allows hazardous waste generators, carriers, and receivers to register their activities with the Ontario Ministry of the Environment and Climate Change online. It also enables users to create and process electronic manifests and to pay hazardous waste fees by credit or debit card online.

The HWIN Help Desk may be reached at 416-235-5825 or 1-866-494-6663 Monday to Friday from 8am to 4:45pm or by e-mail at

HWIN is compatible with Internet Explorer 7 and lower, and all versions of Mozilla Firefox and Google Chrome
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Did you know?

If waste management activities cease a registration must be submitted for closure in HWIN otherwise it must be renewed annually between January 1st and February 15th.

Quick Links

Hazardous Waste Resources

Registered HWIN Generators

Refund Policy

Tonnage Fee Exempt Recycling Facilities

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