NSW gov shelves plans for desalination plant and proposed raising of Tallow dam

Aquifers still a handy backup: SCA managing director Graeme Head
said the new groundwater supplies were discovered at depths of more
than 200m. Water could be pumped via underground pipes either directly
into Prospect reservoir or Orchid Hills filtration plant.

The Daily Telegraph, 9/2/2006, p. 4

Source: Erisk – wwww.erisk.net