Parameters Raw Water Feed Water Filtrate Water
Max Min Ave Max Min Ave Max min Ave
pH 12.35 6.10 10.38 11.80 6.85 8.86 11.73 7.08 8.73
EC (µS/cm) 3940.00 693.00 2029.22 3580.00 864.00 1841.11 2570.00 782.00 1667.67
TSS (mg/l) 638.00 21.00 281.00 274.00 10.00 128.00 35.20 1.00 9.00
Turbidity (NTU) 527 103 300.8 496 6.6 128.7 18 0.04 3.3
TDS (mg/l) 2276.00 564.00 1419.00 3118.00 639.00 1315.54 1956.00 614.00 1187.47
Cl- (mg/l) 269.00 70.00 120.62 295.00 60.00 151.92 285.00 40.00 138.27
Total Alkalinity (mg/l) 972.00 66.00 457.14 1554.00 206.00 602.81 1220.00 156.00 579.47
PO4- (mg/l) 22.52 2.76 9.71 17.39 2.09 6.34 6.98 1.53 3.54
Ca+ (mg/l) 0.53 0.01 0.18 0.39 0.01 0.10 0.07 0.00 0.03
Mg+ (mg/l) 2.45 1.54 1.91 2.33 0.47 1.41 1.90 0.28 1.12
Pb+ (mg/l) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Cd+ (mg/l) 0.43 0.01 0.08 0.04 0.00 0.02 0.04 0.00 0.02
Zn+ (mg/l) 0.44 0.05 0.14 0.13 0.02 0.06 0.06 0.00 0.02
Ni+ (mg/l) 0.02 0.00 0.01 0.01 0.00 0.01 0.01 0.00 0.00
*The presented values represent a total of 115 samples.
Table 3: Chemical Analysis of Raw Water, Feed Water and Filtrate Water.