Water
Water management requires following rules for drinking water and wastewater. It also covers protecting aquatic environments. It includes steps for water use and construction projects.
Drinking water, wastewater and rainwater
Information on drinking water quality and protection, wastewater treatment and stormwater management in Québec. Rules and requirements to protect public health and the environment.
Management of water property in the domain of the State
Administering and granting occupation rights for public Québec lakes and ensuring the integrity of the water property in the domain of the State.
Flood zones, channel migration zones of a watercourse, lakeshores or riverbanks and the littoral zones
Discover how bodies of water are managed and how lakeshores or riverbank and littoral zone are delimited, and better understanding of flood zones and channel migration zones of a watercourse maps.
Last update: October 14, 2026