Level 4b water restrictions allow individual users 87 litres a day. Capetonians are allowed to use 500 million litres a day.
It has been reduced from 600 million litres a day, an objective which was not attained.
The City of Cape Town said dam levels remained critical and needed to be filled during the wetter winter months for an expected dry summer.
Western Cape Premier Helen Zille declared the Western Cape a disaster area on May 22 due to the drought.