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‘Day Zero’ looms for Cape Town water supply
January 28, 2018, 4:57 pm

The worst drought to hit South Africa in decades has left many places struggling to cope with water shortages. Cape Town, one of the cities most impacted by dismal rainfall that has left city dams almost empty, could run dry by April, said the authorities. They have cautioned residents and visitors to restrict usage of water even further.

Despite being located only a stone's throw away from both the Atlantic and the Indian Ocean, the city's water reserves can only last a few more months. April 21 is the date that city authorities have now named as ‘Day Zero’, the day when the taps will run dry.

"We have reached a point of no return," Cape Town mayor Patricia de Lille told residents. Strict water rationing was already implemented in October last year. From February 1, residents will now have to restrict their water usage to 50 liters per person per day.

At the start of the year, Councillor Xanthea Limberg, a member of the city's mayoral committee for corporate services, said they had employed all water saving measures in the book. "We did the public naming and shaming, where we identified the top 20,000 users, and we released the names of the top 100 users. Moving forward, we will continue with our enforcement activities by issuing fines and notices to appear in court, to sustain our water supply going forward," Limberg said.

The restrictions are taking their toll on residents. Housewife and mother Lucy Mazwi said the shortage had made her rethink her daily routine. "Whatever water I use in the washing machine, I use it for flushing the toilet. And when I wash my dishes in the morning, I keep that water so that I can clean the dishes again in the afternoon. I am just trying to save a little bit of water. As for the kids, they used to go for swimming lessons, but it's not happening anymore," she said.

According to a study published on 1 January in Nature Climate Change, more than a quarter of Earth's land surface will become significantly drier, even if the global warming limit of two degrees, as laid down in the Paris Agreement, is reached.

Cape Town has been affected by a series of extreme weather patterns; from waves that were 8 meters high crashing against shorelines, to wildfires fanned by strong winds that killed seven people and destroyed property. But the biggest problem, for now, is the water shortage.

"The prognosis long-term is that the city can expect to receive less rainfall than it has historically. A possible other solution will be mobile desalination plants, which could address a short-term need," said Terry Winstanley, one of South Africa's leading environmental lawyers.

The Cape Town authorities are already preparing for the worst. Once 'Day Zero' kicks in, there will be 200 water points stationed across the city. Each resident will receive only 25 liters of water per day. By contrast, people in Kuwait, a country with one of the least sources of groundwater in the world, used around 475 liters per person each day in 2017.

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