Cape Town Running Dry With 100 Days Of Water Left

Cape Town, the crown jewel of South Africa’s tourism industry, has 100 days before it runs out of water.

After two years of the least rainfall on record, the average level of the six main dams that supply the city of 3.7 million people has dropped below 30 percent, one of the lowest levels on record. The last 10 percent of the reservoir water is unusable, and the risk is mounting that taps and pipes will stop flowing before the onset of the winter rainy season that normally starts in May or June.

Even if the supply stretches until then, heavy downpours may be needed to avert outages over the next two years in South Africa’s second-biggest city. Each year more than 850,000 people from the region and abroad fly through the international airport in Cape Town, which the U.K.’s Telegraph newspaper has rated as the top city destination for the past four years.

“We are in a real crisis,” Cape Town Mayor Patricia de Lille said in an interview with Bloomberg Television at the Women4Climate conference in New York on March 8. “People will have to change the way they are doing things. You can only save water while you have water.”

The city council has imposed water restrictions, including bans on using hosepipes to irrigate gardens and fill swimming pools, and fined those who violate them. It’s also lowered the water pressure and stepped up efforts to combat leaks. While those measures have helped reduce average daily summer consumption to 751 million litres (165 million gallons) a day, from 1.1 billion litres a year ago, that’s still shy of the city’s 700-million-litre target.

Diversify Supply

The Cape Town authorities should have done more to diversify its water supply and implemented projects to use treated sewage and effluent, said Kevin Winter, a lecturer and water expert at the University of Cape Town’s Environmental and Geographical Science Department.

“Ninety-eight percent of water comes from dams and that is crazy,” he said. “We use untreated, high quality water for everything we can think of.”

The lack of water and efforts to conserve it are evident from the city’s withered gardens and parks and closure of most municipal swimming pools. Many of the city’s more than 3.7 million people have taken to using water from their baths and showers to flush toilets and try and keep their plants alive. Providers of wells and equipment that captures runoff from washing machines and bathrooms, known as gray water, are doing a roaring trade.

Nazeer Sonday, who grows vegetables in the southern suburb of Philippi, is one of hundreds of farmers in the city and surrounding areas whose livelihoods are under threat from the water shortages.

Struggling farmers

“We have access to an underground aquifer,” Sonday said. “The long drought means that the aquifer is no longer been replenished as quickly as it should. The salt content rises and the seedlings are very sensitive to this. The water has to be filtered and this adds to the cost of production.”

The city and national governments are implementing and considering several projects to augment the water supply, according to De Lille. These include:

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