Table 12.
Pearson's correlation coefficient showing relationship among physicochemical and bacteriological parameters.
Parameter | Color | Turbidity | Temperature | pH | EC | TDS | Iron | Fluoride | Manganese | Nitrate | Phosphate | Sulphate | Zinc | lead | TC | FC |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Color | 1 | |||||||||||||||
Turbidity | 0.09 | 1 | ||||||||||||||
Temperature | 0.09 | 0.03 | 1 | |||||||||||||
pH | 0.12 | −0.08 | −.15 | 1 | ||||||||||||
EC | 0.14 | 0.13 | 0.84∗∗ | −0.28 | 1 | |||||||||||
TDS | 0.30 | 0.19 | 0.66∗∗ | −0.30 | 0.78∗∗ | 1 | ||||||||||
Iron | −0.06 | 0.42∗ | 0.033 | −0.65∗∗ | 0.09 | 0.16 | 1 | |||||||||
Fluoride | −0.33 | 0.022 | 0.329 | −0.711∗∗ | 0.424∗ | 0.253 | 0.598∗∗ | 1 | ||||||||
Manganese | 0.105 | 0.38 | 0.21 | −0.46∗ | 0.21 | 0.09 | 0.76∗∗ | 0.59∗∗ | 1 | |||||||
Nitrate | 0.16 | 0.20 | 0.34 | 0.14 | 0.54∗∗ | 0.57∗∗ | −0.22 | −0.14 | −0.30 | 1 | ||||||
Phosphate | −0.11 | −0.04 | 0.18 | −0.24 | 0.03 | 0.07 | 0.39 | 0.43∗ | 0.36 | −0.35 | 1 | |||||
Sulphate | 0.01 | −0.05 | −0.15 | −0.48∗ | −0.02 | 0.09 | 0.10 | 0.01 | −0.01 | 0.08 | 0.16 | 1 | ||||
Zinc | 0.19 | 0.42∗ | −0.17 | −0.12 | −0.07 | 0.01 | 0.04 | 0.08 | 0.06 | −0.14 | 0.34 | 0.17 | 1 | |||
Lead | −0.16 | −0.15 | −0.01 | 0.32 | −0.43∗ | −0.30 | −0.14 | −0.13 | 0.01 | −0.39 | 0.23 | −0.40 | 0.06 | 1 | ||
TC) | 0.08 | 0.79∗∗ | 0.14 | −0.17 | 0.16 | 0.42∗ | 0.40∗ | 0.06 | 0.18 | 0.24 | 0.15 | 0.00 | 0.33 | −0.06 | 1 | |
FC | 0.09 | 0.77∗∗ | 0.13 | 0.02 | 0.13 | 0.37 | 0.22 | −0.08 | 0.01 | 0.31 | 0.01 | −0.14 | 0.34 | −0.02 | 0.95∗∗ | 1 |
∗Correlation is significant at the 0.05 level (2-tailed). ∗∗Correlation is significant at the 0.01 level (2-tailed).