Research Article
Groundwater Quality and Suitability Assessment in Tirupur Region, Tamil Nadu, India
Table 2
Physicochemical characteristics of groundwater in the study region.
| S. no | Ions | Unit | Min | Max | Average | WHO [50] | ISI (1983) | BIS [51] |
| 1 | pH | Range | 6.95 | 8.35 | 7.88 | 6.5–8.5 | 6.5–9.2 | 6.5–8.5 | 2 | EC | µS/cm | 360.94 | 3689.1 | 1758.6 | 1500 | — | — | 3 | TDS | mg/l | 231 | 2361 | 1125.5 | 1500 | 1500 | 1500 | 4 | Temp | °C | 25.11 | 36.63 | 30.232 | — | — | — | 5 | Salinity | mg/l | 0.17 | 1.93 | 0.88 | — | — | — | 6 | Ca2+ | mg/l | 31.05 | 202.4 | 105.6 | 200 | 200 | 200 | 7 | Mg2+ | mg/l | 21 | 194.7 | 87.1 | 150 | 100 | 100 | 8 | Na+ | mg/l | 41 | 435 | 172.8 | 200 | 150 | 150 | 9 | K+ | mg/l | 4 | 102 | 28.1 | 12 | — | — | 10 | HCO3− | mg/l | 113.8 | 619 | 352.5 | 500 | 400 | 400 | 11 | Cl− | mg/l | 71 | 805.8 | 338.4 | 600 | 1000 | 1000 | 12 | SO42− | mg/l | 34 | 390 | 181.6 | 250 | 400 | 400 |
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