Drip irrigation is the most water efficient system available to water your garden. Drip Irrigation
As a general rule, lawns only need watering every 5 to 7 days in the summer and every 10 to 14 days in the winter. A heavy rain eliminates the need for watering for as long as two weeks. American Water
Water at night, before 6am, or after 6pm to reduce water loss to evaporation.
There will be times during the year when it's either not worth trying or not possible to keep your lawn green.
Up to 60% of household water is used outdoors, much of which is wasted, so be waterwise! WaterWise