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Cape Town mayor Patricia de Lille

Cape Town mayor Patricia de Lille

The City of Cape Town expects municipal water supply to run out by March 2018 if residents do not change their water habits and reduce consumption.  

In an update on the drought crisis Cape Town mayor Patricia de Lille said if consumption is not reduced to the required levels of 500 million litres of collective usage per day the water supply would not last.

“Currently our collective water use remains dangerously high, with daily consumption at 618 million litres per day. We have done well to reduce our consumption but there is still a lot of room for improvement,” she said.

The mayor explained that if Cape Town residents use the 27.6% of usable water left in the city’s dams more sparingly and combine that with other demand management measures the city could stretch out the number of days of water it has left to beyond March 2018.

Water management and supply measures

Some of the key measures outlined by the mayor in the city’s Critical Water Shortages Disaster Plan includes, among other things, the installation of water management devices.

The city also plans to augment supply with new schemes the first of which is expected to come online by December 2017/January 2018 if all goes according to plan.

Other water supply measures include projects in desalination, groundwater extraction and water reuse.

“In terms of our Critical Water Shortages Disaster Plan, as with all parts of our operations, we have a disaster plan for all eventualities as every organisation does as part of risk management,” the mayor said.

The city’s plan to avoid acute water shortages will be executed in three phases. The City has activated Phase 1, with water rationing through extreme pressure reduction (throttling).

“This is a critical stage where we must all do everything we can to stretch the water supply in our dams. As water rationing is intensified, some areas will be affected for short periods of time. This will lead to intermittent, localised temporary water supply disruptions,” De Lille explained.

 

 

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