| When that happens, greywater systems will become the magic bullet for reducing water consumption. |
| It is recommended that the scum from greywater, heavy solids and garbage be removed from the wastewater prior to entering the sewer. |
| This book moves the debate forward by covering also the common reality of untreated wastewater, greywater and excreta use. |
| Two water supply and two drainage lines shall be installed in every house with a different colour of piping for the greywater system. |
| In particular, IDRC supports research on greywater reuse systems in various regions of the world, including North Africa and the Middle East. |
| In Southeast Asia alone, 13 million tons of faeces is released into inland water sources each year, along with 122 million m3 of urine and 11 billion m3 of greywater. |
