With the exception of Darwin, Pine Creek and Katherine, most centres in the NT rely wholly on groundwater. Water is pumped through 2,265 km of mains across 18 major and minor centres. Sewer mains in the eight centres cover 1,157 km.550 Sewage is mostly treated via waste stabilisation ponds. The Alice Springs Water Reuse Project recycles water for use in horticulture and irrigation. Producing 600 ML a year, it is the first project of its kind in Australia.

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550. Northern Territory Power and Water Corporation (2014)