Public Consultation: Copper in Drinking Water

The Federal-Provincial-Territorial Committee on Drinking Water (CDW) has assessed the available information on copper with the intent of updating the current drinking water guideline and guideline technical document on copper in drinking water. A maximum acceptable concentration (MAC) of 2 mg/L (2000 µg/L) is proposed for total copper in drinking water, based on a sample of water taken at the tap. An aesthetic objective (AO) of 1 mg/L (1000 µg/L) is also proposed for total copper in drinking water. The CDW is currently soliciting public comment on the proposed guideline, on the approach used for its development and on the potential economic costs of implementing it, as well as to determine the availability of additional exposure data. Comments can be submitted by email to the CDW Secretariat via email at  This email address is being protected from spambots. You need JavaScript enabled to view it. and must be received by May 25, 2018.

For more information, please visit the Health Canada website.



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