Last edited 29 Jan 2020

Types of water

Water-droplet72.jpg

Approved Document G (Sanitation, hot water safety and water efficiency), 2015 edition, defines a number of classifications of water.

  • Greywater: domestic wastewater excluding faecal matter and urine. When appropriately treated this may replace the use of wholesome water in wcs, urinals, irrigation or washing machines.
  • Harvested rainwater: rainwater harvested from roofs or other suitable surfaces and collected and stored. When appropriately treated this may replace the use of wholesome water in WCs, urinals irrigation or washing machines.

The document also refers to:

Other definitions of water types might include:

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