Young Black Haired Girl Strips Her Black Dress On The Roof With A Rainwater Tank

Water supply augmentation
In some cities, installation of rainwater tanks may be mandatory, or may help a new building be approved. For example, in Victoria, Australia new houses which have rainwater tank connected to all flush toilets are given an additional 1-star of the required 5-star House Energy Rating. Some governments subsidise purchases of rainwater tanks or provide rebates in areas where they are considered an important means of water supply augmentation.
Rainwater to supplement drinking water supplies may be seen as an alternative to other water supply options such as recycling or s