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Greywater guidelines for home gardens in Gauteng

INDEX
1. Introduction
2. What is greywater?
3. Greywater quality
4. Greywater re-use
5. How to use greywater
6. Greywater re-use rules
7. Greywater systems
8. References

 

1. INTRODUCTION
The human race needs water to survive, to work, to eat, to live healthily and to participate in recreation. These activities have resulted in the Earth’s water becoming scarce and polluted
as water is used at an alarming rate. The global population increase is placing demands on all natural systems and as pressures on available water increase, so more measures are required to supply water to users. Researchers generally state that between 2015 and 2033, the water demand in South Africa will exceed supply and the supply will not be able to cope with the anticipated population growth, consumption and other needs for water. This pressure is exacerbated by the fact that South Africa is a water scarce country and only receives an average of 492 mm per annum (Fig 1).