Scientific studies have established that three aquifers in Cape Town can deliver at least 150-million litres of water every day on a sustainable basis, the city's mayor Patricia de Lille said on Tuesday. Under the prevailing water restrictions, which limit each person to 87 litres a day, the city consumes about 580-million litres of water each day. The target is to reduce this to 500-million litres as part of the response to the continued debilitating drought, which has seen dam levels plummet to below 30%. De Lille told reporters that a recent groundwater survey had confirmed that the aquifers around the city would deliver far more water than previously expected. Preliminary findings from the first extensive mapping of underground water had established that the Cape Flats aquifer would deliver 80-million litres a day, the Table Mountain aquifer 40-million litres, and the Atlantis aquifer 30-million litres. The aquifers would be replenished with purified waste water to ensure they r...

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