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Water Quality Index of Chitrapuzha River, Ernamkulam, Kerala, India
Table 5: Calculation and Results of Water Quality Index (WQI) Sl No 1 2 3 4 5 6 7 8
Parameters DO FC PH BOD P N TURBIDITY TDS
Station 5- Thykoodam Nh Bridge Rainy Season 2013 Weighing Factor Results Units Q Value Sub Total(QXW) (W) 96 % SATURATION 99 0.19 18.81 13.4 MPN/100 ML 68 0.18 12.24 6.8 PH UNITS 83 0.12 9.96 1.01 MG/L 95 0.12 11.4 1.6 NTU 30 0.11 3.3 1.83 MG/L 95 0.11 10.45 1.83 NTU 94 0.09 8.46 149 MG/L 79 0.08 6.32 OVER ALL WQI=80.94 Table 6: Calculation and Results of Water Quality Index (WQI)
Sl No 1 2 3 4 5 6 7 8
Parameters DO FC PH BOD P N TURBIDITY TDS
Station 6- Kaniyampuzha Rlwy Bridge Rainy Season 2013 Weighing Results Units Q Value Sub Total(QXW) Factor( W) 95.2 % SATURATION 98 0.19 18.62 18.3 MPN/100 ML 64 0.18 11.52 7.6 PH UNITS 92 0.12 11.04 2.12 MG/L 78 0.12 9.36 1.18 NTU 36 0.11 3.96 1.42 MG/L 96 0.11 10.56 1.86 NTU 93 0.09 8.37 148 MG/L 79 0.08 6.32 OVER ALL WQI=79.75 Table 7: Calculation and Results of Water Quality Index (WQI)
Sl No 1 2 3 4 5 6 7 8
Parameters DO FC PH BOD P N TURBIDITY TDS
Station 7- Eroor Bridge Rainy Season 2013 Weighing Results Units Q Value Sub Total (QXW) Factor (W) 92 % SATURATION 97 0.19 18.43 17.8 MPN/100 ML 65 0.18 11.7 7.8 PH UNITS 90 0.12 10.8 2.17 MG/L 77 0.12 9.24 1.27 NTU 35 0.11 3.85 1.62 MG/L 95 0.11 10.45 1.85 NTU 93 0.09 8.37 148 MG/L 79 0.08 6.32 OVER ALL WQI=79.16 Table 8: Calculation and Results of Water Quality Index (WQI)
Sl No 1 2 3 4 5 6 7 8
Parameters DO FC PH BOD P N TURBIDITY TDS
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Station 8- Fact Cochin Discharge out Let Rainy Season 2013 Weighing Results Units Q Value Sub Total(QXW) Factor( W) 92 % SATURATION 97 0.19 18.43 17.9 MPN/100 ML 65 0.18 11.7 7.9 PH UNITS 87 0.12 10.44 2.17 MG/L 77 0.12 9.24 1.28 NTU 34 0.11 3.74 1.72 MG/L 95 0.11 10.45 1.88 NTU 93 0.09 8.37 152 MG/L 79 0.08 6.32 OVER ALL WQI=78.69
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