Potable water

Decision-support logic diagram for the presence of per- and polyfluoroalkyl substances (PFAS) in drinking water

Perfluoroalkyl and polyfluoroalkyl substances (PFAS) form a complex group of chemicals comprising thousands of fluorinated organic compounds.

Knowledge review

COVID-19: Interim Recommendations Applicable to Drinking Water and Wastewater Treatment Plant Workers

This document presents the preventive measures to be applied by employers and workers in drinking water and wastewater treatment plants to protect the health of employees and those who frequent the workplace. These measures apply when sustained community transmission is confirmed by public health authorities.

Interim recommendations

Climate change in Southern Québec : an analysis of the vulnerability of Québec drinking water facilities to toxic cyanobacteria

Cyanobacteria are photosynthetic bacteria that are naturally present in the earth’s fresh water and salt water ecosystems; they are not algae despite the fact that they are referred to as blue-green algae. For millions of years, these micro-organisms have been intimately associated with the development of life on the planet, since they helped enrich the earth’s atmosphere with oxygen. Through biosynthesis, they also produce several groups of substances including cyanotoxins. From an…

Synthesis and summary



  • Contamination de l'eau de premier jet par le plomb sur un réseau dont l'agressivité est modérée


  • Le plomb dans l'eau de consommation des garderies de la région de Québec