Table 1. Mean values of water quality parameters, heavy metals concentration and doxycycline residues in different water sources.
| Water source | Water quality parameters & Heavy metals concentration | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pH | EC (dc/m) | T.D.S (mg/l) | T.H (mg/l) | Ca+2 (mg/l) | Mg+2 (mg/l) | Na+ (mg/l) | Cl− (mg/l) | Ni (mg/l) | Fe (mg/l) | Cu (mg/l) | Zn (mg/l) | Doxycycline residues | |
| Tap water | 8.27 ± 0.24 | 0.69 ± 0.33 | 438.89 ± 209.55 | 208.75 ± 66.86 | 77.5 ± 50.36 | 131.25 ± 67.07 | 67.93 ± 52.86 | 53.25 ± 38.14 | ND | 4.41 ± 2.29 | 0.52 ± 0.06 | 0.59 ± 0.32 | 00 ± 00 |
| Ground water | 8.53 ± 0.35 | 1.05 ± 0.33 | 617.54 ± 267.67 | 264.28 ± 89.41 | 52.85 ± 11.12 | 211.42 ± 92.81 | 156.18 ± 78.76 | 49.68 ± 19.63 | ND | 6.47 ± 3.58 | 0.519 ± 0.073 | 0.48 ± 0.32 | 00 ± 00 |
| p-value | 0.120 | 0.51 | 0.120 | 0.193 | 0.229 | 0.075 | 0.023* | 0.828 | — | 0.201 | 0.889 | 0.500 | — |
ND = Not Detected;
*
p-value < 0.05 is statistically significant.