- No watering at any time
- No washing down of hard/paved surfaces or vehicles at any time
- No filling or topping up pools or spas
- Maximum water usage target – 175 L/p/d (litres per person per day)
This severe level of water restrictions includes banning all outdoor watering to reduce usage to around winter levels and would have a major impact on lawns and gardens, including loss of gardens in many cases. The re-establishment of lawns and gardens after an extended period of severe restrictions could impose a relatively high cost on residences and therefore, the application of Level 4 restrictions or higher would only occur in very rare circumstances. Key actions include the activation of a drought taskforce, investigation / design of emergency supply options and stepping up issuing of fines for violation of restrictions.