How is it made?

The 7-barrier process

A 7-barrier process using world’s best technology is used to transform wastewater into purified recycled water.

The 7-barrier process involves:

• Barrier 1: Source Control
• Barrier 2: Wastewater Treatment Plant
• Barrier 3: Microfiltration
• Barrier 4: Reverse Osmosis
• Barrier 5: Advanced Oxidation
• Barrier 6: Natural Environment
• Barrier 7: Water Treatment Plant

For an explanation of each barrier, please read the fact sheet, How is purified recycled water made? (PDF, 473kb)