The Department of Water And Sanitation is the custodian of South Africa's water resources. Directorate: Surface and Groundwater Information forms part of the water sector, which promotes an effective and efficient water resources management.

Directorate: Surface and Groundwater Information is managing data, information and information systems instrumental in the national and regional assessment of groundwater resources, and building capacity to assist with the sustainable management of groundwater resources countrywide.

The National Groundwater Archive (NGA) is a web enabled database, that allows capturing, viewing, modifying and extraction of groundwater related data by registered users.