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Alternate sources of water can be used in buildings and operation-based premises when possible to substitute potable water, which will help businesses save on water bills.
The construction of rainwater collection systems for any purpose is regulated by Section 31 of the Sewerage and Drainage Act. Developers can build rainwater collection systems to collect rainwater for non-potable use within their own premises will have to satisfy a set of PUB conditions.
Find out more here.
The sources of greywater are water discharged from showers, bathtubs, wash basins and laundry. As this is untreated used water not in contact with toilet waste, it excludes water from urinals, toilet bowls (water closets), kitchen sinks and dishwashers.
Before greywater can be reused for non-potable purposes like toilet flushing, general washing and irrigation as well as make-up water in cooling tower, it has to go through membrane filtration for disinfection. Certain safety requirements for treated greywater must still be met.
For public health reasons, it is however prohibited to use treated greywater for high-pressure jet washing, irrigation sprinklers and general washing at markets and food establishments.
Download Guidance Notes for Treated Greywater Quality and Technical Guide for Greywater Recycling System.
The construction of rainwater collection systems for any purpose is regulated by Section 31 of the Sewerage and Drainage Act. Developers can build rainwater collection systems to collect rainwater for non-potable use within their own premises will have to satisfy a set of PUB conditions.
Find out more here.
The sources of greywater are water discharged from showers, bathtubs, wash basins and laundry. As this is untreated used water not in contact with toilet waste, it excludes water from urinals, toilet bowls (water closets), kitchen sinks and dishwashers.
Before greywater can be reused for non-potable purposes like toilet flushing, general washing and irrigation as well as make-up water in cooling tower, it has to go through membrane filtration for disinfection. Certain safety requirements for treated greywater must still be met.
For public health reasons, it is however prohibited to use treated greywater for high-pressure jet washing, irrigation sprinklers and general washing at markets and food establishments.
Download Guidance Notes for Treated Greywater Quality and Technical Guide for Greywater Recycling System.
