Reclaimed water specification and quality
Parameter . | Units . | Final water specification . | Actual operational results . | |
---|---|---|---|---|
50% tile . | 95% tile . | |||
Physical and organic | ||||
Chemical and oxygen demand | mg/L | 10–15 | 6.6 | 11 |
Colour | mg/L | 8–0 | 0.5 | 0.5 |
Dissolved organic carbon (aDOC)a | mg/L | 3 | 1.7 | 2.8 |
Total dissolved solids | mg/L | 1,000 max or 200 above incoming | 838 | 938 |
Turbidity | NTU | 0.1–0.2 | 0.05 | 0.10 |
UV254 | abs/cm | 0.00–0.06 | 0.015 | 0.027 |
Inorganic | ||||
Aluminium | Al mg/L | 0.15 | 0.005 | 0.05 |
Ammonia | N mg/L | 0.1 | 0.05 | 0.18 |
Iron | Fe mg/L | 0.05–0.10 | 0.01 | 0.03 |
Manganese | Mn mg/L | 0.01–0.025 | 0.005 | 0.0015 |
Microbiological | ||||
Heterotrophic plate count | per 1 mL | 80 100 | 0 | 4 |
Total coliforms | per 100 mL | 0 | 0 | 0 |
Faecal coliforms | per 100 mL | 0 | 0 | 0 |
Chlorophyll | μg/L | 1 | 0.27 | 2.58 |
Giardia | per 100 L | 0 count/100 L or 5 log removal | 0 | 0 |
Cryptosporidium | per 100 L | 0 count/100 L or 5 log removal | 0 | 0 |
Disinfection by-products | ||||
Trihalomethanes | μg/L | 20–40 | 35 | 57 |
Parameter . | Units . | Final water specification . | Actual operational results . | |
---|---|---|---|---|
50% tile . | 95% tile . | |||
Physical and organic | ||||
Chemical and oxygen demand | mg/L | 10–15 | 6.6 | 11 |
Colour | mg/L | 8–0 | 0.5 | 0.5 |
Dissolved organic carbon (aDOC)a | mg/L | 3 | 1.7 | 2.8 |
Total dissolved solids | mg/L | 1,000 max or 200 above incoming | 838 | 938 |
Turbidity | NTU | 0.1–0.2 | 0.05 | 0.10 |
UV254 | abs/cm | 0.00–0.06 | 0.015 | 0.027 |
Inorganic | ||||
Aluminium | Al mg/L | 0.15 | 0.005 | 0.05 |
Ammonia | N mg/L | 0.1 | 0.05 | 0.18 |
Iron | Fe mg/L | 0.05–0.10 | 0.01 | 0.03 |
Manganese | Mn mg/L | 0.01–0.025 | 0.005 | 0.0015 |
Microbiological | ||||
Heterotrophic plate count | per 1 mL | 80 100 | 0 | 4 |
Total coliforms | per 100 mL | 0 | 0 | 0 |
Faecal coliforms | per 100 mL | 0 | 0 | 0 |
Chlorophyll | μg/L | 1 | 0.27 | 2.58 |
Giardia | per 100 L | 0 count/100 L or 5 log removal | 0 | 0 |
Cryptosporidium | per 100 L | 0 count/100 L or 5 log removal | 0 | 0 |
Disinfection by-products | ||||
Trihalomethanes | μg/L | 20–40 | 35 | 57 |
aDefinition and related information above in the ‘DPR facilities’ subsection and below in the ‘Results and discussion’ subsections ‘Key quality parameters’ and ‘DOC removal considerations’.