# Assumptions behind the water usage estimates

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Shower | litres per minute |

Standard | 8 |

Power | 15 |

Electric | 6 |

Low flow | 6 |

Bath | litres per bath |

Standard | 90 |

Large | 110 |

Shallow | 60 |

Toilet | litres per flush |

Very old | 13 |

Standard | 9 |

Dual flush | 5 |

Each person uses basin taps for 2.0 minutes each day

Basin taps | litres per minute |

standard | 6 |

low flow | 4 |

Your household runs kitchen taps for 0.5 minutes each day.
Plus each time you wash up by hand you use 8 litres
and each day's cooking requires 3 litres.

Kitchen taps | litres per minute |

standard | 12 |

low flow | 8 |

The washing machine takes 40 litres for a full load. Dishwashers are more variable:

Dishwasher | litres per cycle |

old (> 5 years) | 18 |

new (<= 5 years) | 10 |

A hose uses 20 litres per
minute, a sprinkler 6 (like a shower). A bucket is 10
litres and a watering can 8 litres.

If you are using mains water in the garden, you do
this for half the year.

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