Back to map search Auckland Browse results Summary Taxonomy Activity Number of wells 3 Aquifer lithology Sand, basalt and shellbed Depth of wells 46.7 – 64 m Oxygen levels 0 % pH 7.35 – 8 Temperature 17.2 – 18.2 °C Nitrate 0 – 0.005 g/m3 Dissolved organic carbon 0 – 0.7 g/m3 Sulfate 0 – 2.5 g/m3 Land uses Urban