Around the world

Around the world

In Australia rainwater harvesting is typically used to supplement the reticulated mains supply. In south east Queensland, households that harvested rainwater doubled each year from 2005 to 2008, reaching 40% penetration at that time (White, 2009 (PhD)).

·  Currently in China and Brazil, rooftop rainwater harvesting is being practiced for providing drinking water, domestic water, water for livestock, water for small irrigation and a way to replenish ground water levels. province in China and semi-arid   have the largest rooftop rainwater harvesting projects ongoing.

·  In rainwater harvesting has traditionally been practiced by the people of th.

·  In the law requires all new construction to include rainwater harvesting adequate for the residents.

·  The have a similar law.

·  In the Elephanta Caves and Kanheri Caves in rainwater harvesting alone has been used to supply in their water requirements.

·  In and, the houses of the people are frequently equipped with homebrew rainwater harvesters made from local, organic materials.

·  In the are often found in domestic gardens to collect rainwater which is then used to water the garden. However, the British government's Code For Sustainable Homes encourages fitting large underground tanks to new-build homes to collect rainwater for flushing toilets, washing clothes, watering the garden and washing cars. This reduces by 50% th of the groundwater is saline and communities rely on mud-lined rainwater

·  ponds to meet their drinking water needs throughout the dry season. Some of these ponds are centuries old and are treated with great reverence and respect.

·  Until 2009 in water rights laws almost completely restricted rainwater harvesting; a property owner who captured rainwater was deemed to be stealing it from those who have to take water from the watershed. Now, residential well owners that meet certain criteria may obtain a permit to install a rooftop precipitation collection system (SB 09-080). to 10 large scale pilot studies may also be permitted (HB 09-1129The main factor in persuading the Colorado Legislature to change the law was a 2007 study that found that in an average year, 97% of the precipitation that fell in, in the southern suburbs of never reached a stream—it was used by plants or evaporated on the ground. In New Mexico, rainwater catchment is mandatory for new dwellings in water.