National Drinking Water Quality Standards (NDWQS) Physical and Chemical Parameters National Standard of Parameter Standard Values WHO guidelines most Asian countries Properties For Afghanistan 2011 Color 15 TUC NGVS 5 NTU Test Non Objectionable Non Objectionable / Non Objectionable / / Acceptable Acceptable Acceptable Odor Non Objectionable Non Objectionable / Non Objectionable / / Acceptable Acceptable Acceptable Turbidity 5 NTU NGVS 5 NTU Total Hardness as 500 mg/L NGVS 500 mg/L CaCO3 TDS 1000 mg/L NGVS 1000 mg/L pH 6.5 8.5 NGVS 6.5 -8.5 – Aluminum 0.2 NGVS 0.2 Antimony 0.02 0.02 0.02 Barium 0.7 0.7 0.7 Boron 2.4 2.4 2.4 Cadmium 0.003 0.003 0.003 Chloride 250 NGVS 250 Chromium 0.05 0.05 0.05 Copper 2 2 2 Iron 0.3 NGVS 0.3 Sodium 200 NGVS 200 Sulphate 250 NGVS 250 Magnesium 30 NGVS 30 Calcium 75 NGVS 75 Toxic Inorganic Mg/Liter Mg/Liter Mg/Liter Cyanide 0.05 NGVS 0.05 Arsenic 0.05 0.01 0.01-0.05 Fluoride 1.5 1.5 1.5 Lead 0.01 0.01 0.01 Manganese 0.3 NGVS 0.3 Nickel 0.07 0.07 0.07 Nitrate 50 50 50 Nitrite 3 30 3 Nitrate as Nitrogen 11 11 11 Selenium 0.04 0.04 0.04 Zinc 3.0 NGVS 3.0
National Drinking Water Quality Standards (NDWQS) Physical and Chemical Parameters Parameter Properties Standard Values For Afghanistan WHO guidelines 2011 National Standard of most Asian countries Color 15 TUC NGVS 5 NTU Test Non Objectionable / Acceptable Non Objectionable / Acceptable Non Objectionable / Acceptable Odor Non Objectionable / Acceptable Non Objectionable / Acceptable Non Objectionable / Acceptable Turbidity 5 NTU NGVS 5 NTU Total Hardness as CaCO3 500 mg/L NGVS 500 mg/L TDS 1000 mg/L NGVS 1000 mg/L pH 6.5 – 8.5 NGVS 6.5 -8.5 Aluminum 0.2 NGVS 0.2 Antimony 0.02 0.02 0.02 Barium 0.7 0.7 0.7 Boron 2.4 2.4 2.4 Cadmium 0.003 0.003 0.003 Chloride 250 NGVS 250 Chromium 0.05 0.05 0.05 Copper 2 2 2 Iron 0.3 NGVS 0.3 Sodium 200 NGVS 200 Sulphate 250 NGVS 250 Magnesium 30 NGVS 30 Calcium 75 NGVS 75 Toxic Inorganic Mg/Liter Mg/Liter Mg/Liter Cyanide 0.05 NGVS 0.05 Arsenic 0.05 0.01 0.01-0.05 Fluoride 1.5 1.5 1.5 Lead 0.01 0.01 0.01 Manganese 0.3 NGVS 0.3 Nickel 0.07 0.07 0.07 Nitrate 50 50 50 Nitrite 3 30 3 Nitrate as Nitrogen 11 11 11 Selenium 0.04 0.04 0.04 Zinc 3.0 NGVS 3.0
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