Waste discharge authorizations
A waste discharge authorization is written permission to release waste into the environment under the Environmental Management Act (EMA). Find out what you need to apply, manage, and search for authorizations.
You must have an authorization in place before discharging waste into the environment. After you are authorized you need to maintain your authorization and notify the ministry of any changes.
Waste discharge rules
Waste under the EMA includes:
- Air contaminants. For example, dust from an industrial site
- Effluent. For example, wastewater from industry or sewage
- Garbage. For example, municipal and industrial garbage
- Hazardous waste. For example, batteries, asbestos and waste oil
Don't have an authorization
Do you need an authorization?
Review the types of waste and activities that require an authorization.
Apply for an authorization
You must get an approved authorization before discharging any waste.
Understand the process
What to expect when applying for an authorization, how approval works, and how long it takes.
Have an authorization
Comply with your authorization
Submit reports and data, prepare for an inspection, and report non-compliance.
Change your authorization
Amend your authorization to reflect administrative and operational changes.
Find authorization information
How to find documents, reports, and monitoring data regarding authorizations.