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In a typical capital city, office buildings can account for 10% of all water consumption. A moderate sized building of 10,000m2 typically consumes over 20,000 litres per day or more than 7 million litres per year – enough to supply 40 average homes. But by making some small changes, it is possible to reduce that water usage by 30-40%.

Water at work

Site managers

  • Conduct a water audit to identify options, costs, savings and financial returns.
  • Rectify leaks quickly. A leaking tap can waste up to 200 litres of water a day – check your washers!
  • Install low flow regulators to taps and showers.
  • Think about changing toilets to dual flush systems.
  • Consider choosing water efficient equipment and appliances across all areas of your business.
  • Assess how your building uses water and keep track of how much is being used to easily identify problem areas.


  • Don’t run a dishwasher until it is full and use signage to encourage others to save water.
  • When you are washing your hands, don’t let the water run while you lather.