Water Trivia

Did You Know?

  • Here are some surprising facts about water:
  • About 80% of the world is covered by water or ice.
  • Only 1% of the world's water is suitable for human needs (97% is salt water in the ocean and 2% is ice).
  • Australia is the world's driest continent. Of all the inhabited continents, Australia has the lowest rainfall and the lowest water run off.
  • The human brain is 75% water.
  • A man's body is 60-65% water (measured as a percentage of body weight) and a woman's is 50-60% water. Men tend to have more muscle, and muscle tissue contains a large amount of water.
  • The human body loses 3-3.5 litres of water in an average day. This may be increased by exercise and climatic conditions.
  • Less than 1% of the treated drinking water produced by water authorities is actually consumed by people. Most is used for lawns, showers, toilets, laundry, etc.
  • An average person can survive for nearly two months without food, but less than a week without drinking water.
  • Your washing machine and dishwasher cost you $1 per load including water, energy, detergent and machine wear costs.
  • The average household spends $300 a year on baths and showers including water and heating costs.