In Québec, the Regulation respecting the quality of drinking water establishes drinking water quality control standards and requirements governing distribution networks. The three tables below provide information on municipalities that have distribution networks, the population they serve and the origin of the water used as the supply source, as well as notices issued by municipalities in instances when the water does not meet standards.
- MDDELCC Municipalities and population served by a municipal drinking water distribution system, by administrative region, Québec (November 24, 2014)
- MDDELCC "Boil water" and "Do not use water" advisories issued by municipal drinking water distribution systems, by administrative region, Québec (November 24, 2014)
- MDDELCC Municipal drinking water distribution systems, by source of supply and by administrative region, Québec (August 30, 2013)