Quality of Near-surface Groundwater 1991

This map partially presents the components of the near-surface groundwater (first groundwater aquifer) in relation to the limits of the Drinking Water Supply Ordinance. It provides an overview of how pollutants are distributed across the city. Some locally confined pollutants are not included. 02.04.1 Chloride, SulfateMore information

This map partially presents the components of the near-surface groundwater (first groundwater aquifer) in relation to the limits of the Drinking Water Supply Ordinance. It provides an overview of how pollutants are distributed across the city. Some locally confined pollutants are not included. 02.04.2 Ammonium, NitrateMore information

This map partially presents the components of the near-surface groundwater (first groundwater aquifer) in relation to the limits of the Drinking Water Supply Ordinance. It provides an overview of how pollutants are distributed across the city. Some locally confined pollutants are not included. 02.04.3 Oxidibility, ConductivityMore information

This map partially presents the components of the near-surface groundwater (first groundwater aquifer) in relation to the limits of the Drinking Water Supply Ordinance. It provides an overview of how pollutants are distributed across the city. Some locally confined pollutants are not included. 02.04.4 AOX (Adsorbable Halogenated Hydrocarbonates), PesticidesMore information