| Parameter | River Punchi | Na-HCO3 groundwater | Ca-Mg-HCO3 groundwater |
| pH | 6.1 | 7 | 5.3 |
| TDS | 89.1 | 10,100 | 330 |
| Na | 12.9 | 2400 | 17 |
| Mg | 1.8 | 57.3 | 20 |
| K | 2.9 | 46.4 | 0.93 |
| Ca | 6.5 | 113 | 29 |
| SO4 | 6 | 3 | 3.5 |
| Cl | 7.1 | 109 | 1.2 |
| HCO3 | 51.9 | 7300 | 229 |
| F | NA | 0.4 | 0.1 |
| Al | 0.001 | 0.002 | 0.078 |
| B | NA | 66 | 0.16 |
| SiO2 | 23 | 9.77 | 18.5 |
| Fe | 1.5 | 0.08 | 11.5 |
| Mn | 0.01 | 0.007 | 0.26 |
| Ba | 0.019 | 0.006 | 0.068 |
| Sr | 0.09 | 0.03 | 0.11 |
| Li | 0.005 | 2.1 | 0.006 |
| Cu | 0.008 | 0.142 | 0.002 |
| Rb | 0.002 | 0.07 | 0.001 |
| Br | n.a. | 0.146 | 0.07 |
| I | n.a. | 0.042 | 0.003 |
| Cs | 0.0003 | 0.021 | 0.002 |
| Co | n.a | 0.0003 | 0.002 |
| V | 0.003 | 0.0023 | 0.0003 |
| δD, ‰ | −110 | −69 | −103 |
| δ18O, ‰ | −14.4 | −25.2 | −14.2 |
| 3H, TE | 29.3 | 6.0 | 27.6 |