Hydrogeology, (Groundwater resources) of Australia. Source Bureau of Meteorology, see http://www.bom.gov.au/water/groundwater/insight/#/overview/introduction for details.
Map prepared by the Department of Environment and Energy in order to produce Figure WAT14 in the Inland Waters theme of the 2016 State of the Environment Report, available at http://www.soe.environment.gov.au
The map service can be viewed at http://soe.terria.io/#share=s-sgtEsx7AVxF5ARHPAfaPsMETpoz
Downloadable spatial data also available below.