Saving water in the bathroom

About 20 per cent of total household water use occurs in the bathroom and about another 18 per cent in the toilet.  Simple changes here can provide great opportunities to save water.

Water efficient fixtures and appliances

Water efficient showers, taps and toilet suites can save many thousands of litres of water for your household every year.

  • Save 14,500 litres of water each year with a 3-star water efficient showerhead.
  • Save 30,000 to 40,000 litres of water per year by replacing an old 11 litre single flush toilet suite with a a 4-star dual flush toilet.
  • Typical taps discharge 15 to 18 litres of water per minute compared with water-efficient and aerating models, which can use as little as 2 litres per minute.
  • Use the Water Efficiency Labelling and Standards (WELS) Scheme to find water efficient products for your bathroom.

Water saving tips for your bathroom

  • Take shorter showers.  Every minute you cut from your shower time could save up to nine litres of water if you have a ‘3-star’ rated water-efficient showerhead, and up to 20 litres if you have a conventional showerhead. Using less hot water means you’ll also save on your energy bills and reduce greenhouse gas emissions.
  • Check for leaking taps and get them fixed: a dripping tap can waste more than 2,000 litres of water a month. That's 24,000 litres a year! Even a leak that wastes a cup of water per hour will waste over 2,000 litres per year.
  • Turn taps off firmly, but avoid excessive force that may damage the tap washer and cause the tap to leak.
  • Check for toilet leaks by placing a few drops of biodegradable food colouring into the cistern, and wait for 30 minutes. If you have a leaking toilet, you will see coloured water in the toilet bowl and you need to contact a plumber. A slow, barely visible leak can waste more than 4,000 litres of water a year.
  • Check for leaking pipes by reading your water meter before you go to bed, then again in the morning. If there has been no water use overnight, and the reading has changed, you may have a leaking pipe and should seek advice from a plumber.
  • If a plumber is visiting your home, ask about having aerators and pressure reduction valves installed to reduce your water use.
  • You could save around 12 litres (or just over a bucket) of water a day by not running the tap continuously when cleaning your teeth. That's over 4,300 litres per person, per year.  Use a plug in the basin when shaving rather than letting the tap run. That could save thousands of litres per year too!