Health Canada Drinking Water Guideline Consultations
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Health Canada has several guidelines out for public consultation. CWWA’s Drinking Water Quality Committee is reviewing these guidelines and will submit comments when there are concerns.
- 2-4D in Drinking Water - The existing guideline on 2,4-D, developed in 1991, based its maximum acceptable concentration of 0.1 mg/L (100 µg/L) on kidney toxicity in rats. This document proposes to reaffirm the maximum acceptable concentration (MAC) of 0.10 mg/L (100 µg/L) for 2,4-D in drinking water, based on kidney toxicity in rats. Consultation closes November 6.
- Proposed guideline for Canadian drinking water quality for metribuzin - closes September
- Consultation: Diquat in Drinking Water - Guideline Technical Document - closes October 2
- Consultation: Guidance on Monitoring the Biological Stability of Drinking Water in Distribution Systems - closes October 16
