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EPA Victoria Classification of Recycled Water
| Class |
Water Quality objectives (median unless specified) |
Uses |
| A |
pH 6 - 9
< 10 mg/L BOD
< 5 mg/L SS
< 10 E.Coli / 100mL
Turbidity < 2 NTU * |
Urban (non-potable): Including where public access is uncontrolled
Agricultural: Including food crops consumed raw (e.g. celery, carrots)
Industrial: Including open systems with potential exposure to workers |
| B |
pH 6 - 9
<20 mg/L BOD
< 30 mg/L SS
< 100 E.Coli / 100mL |
Agricultural: Dairy cattle grazing/fodder
Industrial: Wash down water |
| C |
pH 6 - 9
<20 mg/L BOD
<30 mg/L SS
< 1000 E.Coli / 100mL |
Urban (non-potable): Only with controlled public access
Agricultural: Only human food crops cooked/processed before consumption and grazing/fodder for livestock
Industrial: Only systems with no potential exposure to workers |
| D |
pH 6 - 9
<20 mg/L BOD **
<30 mg/L SS ^
< 10000 E.Coli / 100mL |
Agricultural: Only non-food crops e.g. turf and flowers |
Based on Tables 1, 2 and 3 of the 'Guidelines for Environmental Management: Use of Reclaimed Water ' published in 2003, EPA Victoria.
* NTU = Nephelometric turbidity units (the maximum possible value is five NTU)
** BOD = Biological Oxygen Demand
^ SS = Suspended Solids
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