Under certain circumstances, Water Corporation will allow exemptions from normal watering restrictions. Here's some useful information that plumbers who work on reticulation systems can share with their customers.
Residential customers can apply for an exemption to use their sprinklers outside the normal roster if installing a new garden or new lawn.
There are also specific exemptions for some categories of business customers.
For details of residential exemptions, see watering exemptions. For business exemptions, see watering exemptions for businesses.