General Water is reusable and not renewable. The average rainfall in South Africa is 500mm, well below the world average of 860mm. Water is the only substance on earth found naturally in three forms - solid, liquid, and gas. You can survive about a month without food, but only 5 to 7 days without water. It is possible to drink water that was here in the dinosaur era.
Solid water can float on liquid water.
The average urban home of 4,6 people uses 640 litres of water per day. The average automatic dishwasher uses 68 litres of water per wash cycle. The average washing machine uses about 100 litres of water per wash cycle. The average bath holds between 150 and 200 litres of water when filled to the brim. A toilet is the single biggest user of indoor water.