How is recycled water defined?
Recycled water is defined in the Australian Guidelines for Water Recycling as water that has been treated to a 'fit for purpose' standard for a specific application. However, many state and territory guidelines still refer to recycled water as class A to D of recycled water that can be used for a variety of uses. A general indication of these uses are indicated below:
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Class
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Range of uses (uses include all lower class uses)
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A
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Urban (non-potable): with uncontrolled public access.
Agricultural: e.g. human food crops consumed raw.
Industrial: open systems with worker exposure potential.
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B
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Agricultural: e.g. dairy cattle grazing.
Industrial: e.g. wash down water.
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C
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Urban (non-potable) with controlled public access.
Agricultural: e.g. human food crops cooked/processed, grazing/fodder for livestock.
Industrial: systems with no potential worker exposure.
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D
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Agricultural: non-food crops including instant turf, woodlots, flowers.
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EPA Victoria: Guidelines for Environmental Management, Use of Reclaimed Water, September 2002
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NOTE: See each state and territory guidelines for specific requirements
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