Consultation on the proposed special review decision of atrazine and its associated end-use products, PSRD2023-01

Notice to the reader:

The online consultation is now closed.

Atrazine consultation in Canada

Health Canada is consulting on a special review of atrazine. Our scientists reviewed thousands of scientific studies and over 15,000 water sample tests. The results show that, with the proposed label changes, atrazine meets Heath Canada's requirements to protect human health and the environment.


Atrazine is a pesticide used to controls weeds on:

Regulatory history of atrazine in Canada

Atrazine has been registered for use in Canada for over 60 years. Here is a quick overview of its regulatory timeline.

Health Canada's risk-based special review concluded that the amount of atrazine found in Canadian drinking water met the requirements to protect human health and the environment.

How to get involved

This consultation is on the proposed decision to:

View a summary of the proposed decision

This consultation is open for comment from 6 February 2023 to 23 March 2023 (45 calendar days). Open "View a summary of the proposed decision" to access the document.

If you would like to comment, see the Pest Management Regulatory Agency Publications Section page for contact information. Please be sure to include the title of the consultation document on which you are commenting. Interested parties are encouraged to provide comments by 23 March 2023.

Reporting to Canadians

Health Canada will make the results of this consultation available on this website. Once the decision on atrazine is finalized, the PMRA will post a special review decision on the Pesticides and Pest Management Reports and Publications portion of

If you have any questions, contact the Pest Management Information Service.

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