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Table 1

Water quality index of the urban reclaimed water

IndexValueIndexValue
pH 7.36–7.92 NH3-N (mg/L) 2.76–5.98 
Electrical conductivity (ms/cm) 0.62–0.74 COD (mg/L) 11.0–27.8 
Suspended solids (mg/L) 3.04–7.77 Total phosphorus (mg/L) 3.52–3.82 
Turbidity (NTU) 0.96–2.32 Dissolved oxygen (mg/L) 7.01–8.25 
Color degree (CU) 32.90–36.12 Bacteria (105 CFU/mL) 2.8–4.0 
Total hardness (mmol/L) 1.60–2.30 Total alkalinity (mmol/L) 0.48–1.30 
SO42− (mg/L) 61.44–81.36 Cl (mg/L) 73.19–106.35 
Ca2+ (mg/L) 40–56 Mg2+ (mg/L) 9.12–17.01 
IndexValueIndexValue
pH 7.36–7.92 NH3-N (mg/L) 2.76–5.98 
Electrical conductivity (ms/cm) 0.62–0.74 COD (mg/L) 11.0–27.8 
Suspended solids (mg/L) 3.04–7.77 Total phosphorus (mg/L) 3.52–3.82 
Turbidity (NTU) 0.96–2.32 Dissolved oxygen (mg/L) 7.01–8.25 
Color degree (CU) 32.90–36.12 Bacteria (105 CFU/mL) 2.8–4.0 
Total hardness (mmol/L) 1.60–2.30 Total alkalinity (mmol/L) 0.48–1.30 
SO42− (mg/L) 61.44–81.36 Cl (mg/L) 73.19–106.35 
Ca2+ (mg/L) 40–56 Mg2+ (mg/L) 9.12–17.01 
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