5,000 Litre (1,100 Gallon) to 8,600 Litre
(1900 Gallon).
Best suited to suburban and fringe areas. Many councils now offer a rebate for water tanks over 3000 litres. With one or more of these you could have a drought resistant lawn and garden and still be able to top up your pool, wash the cars, boat, or almost anything you have without wasting town water.