Drinking Water Quality LUCKNOW CITY Drinking Water Quality Post-monsoon 2012 Turbidity pH Naga rian R. Gomti Kukrail Drain Drain Naga rian R. Gomti Kukrail Drain Drain Turbidity in NTU pH Cantonment Cantonment Above 2.25 Above 7.28 1.75 – 2.25 7.14 – 7.28 1.25 – 1.75 7.00 – 7.14 Below 1.25 Below 7.00 SD= 0.50 SD= 0.14 X-= 1.75 X-= 7.14 TDS Conductivity Naga rian R. Gomti Kukrail Drain Drain Naga rian R. Gomti Kukrail Drain Drain Conductivity in µ mohos/cm Cantonment TDS in mg/l Cantonment Above 470 Below 520 635 – 750 Above 750 520 – 635 415– 470 360 – 415 Below 360 SD= 55 SD=115 X-= 415 X-= 635 2 4 KM Fig. 3.10 Continued….

Drinking Water Quality LUCKNOW CITY Drinking Water Quality Post-monsoon 2012 Chloride Hardness Naga rian R. Gomti Kukrail Drain Drain Naga rian R. Gomti Kukrail Drain Drain Cantonment Chloride in mg/l Cantonment Hardness in mg/l Above 55 Above 390 40 – 55 335 – 390 25 – 40 280 – 335 Below 25 Below 280 SD=15 SD= 55 X-= 40 X-= 335 Calcium Magnesium Naga rian R. Gomti Kukrail Drain Drain Naga rian R. Gomti Kukrail Drain Drain Cantonment Calcium in mg/l Cantonment Magnesium in mg/l Below 35 35 – 60 60 – 85 Above 85 SD= 25 X-= 60 Above 63 45 – 63 27 – 45 Below 27 SD= 18 X-= 45 Alkalinity Naga rian R. Gomti Kukrail Drain Drain 2 4 KM Cantonment Alkalinity in mg/l Below 310 310 – 375 375 – 440 Above 440 SD= 65 X-= 375 Fig. 3.10