| Samplings points | Year | Fe(mg/l) | Cu(mg/l) | Na(mg/l) | Mg(mg/l) | Mn(mg/l) | Zn(mg/l) | Pb(mg/l) |
| 5th Gokyo lake (4950 m) | 2008 | NA | <0.02 | NA | NA | 0.01 | NA | <0.02 |
| 2009 | NA | <0.02 | NA | NA | NA | NA | <0.02 | |
| 2010 | 8.92 | <0.02 | 1.19 | 2.43 | 0.22 | 0.05 | <0.02 | |
| 4th Gokyo lake (4860 m) | 2008 | 0.2 | <0.02 | 0.4 | 3.7 | 0.01 | 0.01 | <0.02 |
| 2009 | 1.38 | <0.02 | 2.78 | 1.94 | 0.05 | 0.05 | <0.02 | |
| 2010 | 1.35 | <0.02 | 1.36 | 4.86 | 0.05 | 0.05 | <0.02 | |
| 3rd Gokyo (4740 m) | 2008 | NA | <0.02 | NA | - | 0.01 | 0.01 | <0.02 |
| 2009 | 0.48 | <0.02 | 0.7 | 1.46 | 0.05 | 0.05 | <0.02 | |
| 2010 | 1.2 | <0.02 | 0.95 | 0.97 | 0.05 | 0.05 | <0.02 | |
| 2nd Gokyo lake (4716 m) | 2008 | 0.04 | <0.02 | 6.4 | 6.2 | 0.01 | 0.01 | <0.02 |
| 2009 | 0.53 | <0.02 | 0.7 | 1.46 | 0.05 | 0.05 | <0.02 | |
| 2010 | 1.92 | <0.02 | 0.98 | 2.43 | 0.07 | 0.06 | <0.02 | |
| 1st Gokyo lake (4661 m) | 2008 | 0.02 | <0.02 | 0.6 | 6.2 | 0.01 | 0.01 | <0.02 |
| 2009 | 0.02 | <0.02 | 0.84 | 0.97 | 0.05 | 0.12 | <0.02 | |
| 2010 | 6.4 | <0.02 | 0.99 | 0.97 | 0.05 | 0.06 | <0.02 | |
| Glacier river (4656 m) | 2008 | 0.1 | <0.02 | 0.6 | 3.7 | 0.01 | 0.01 | <0.02 |
| 2009 | 3.06 | <0.02 | 1.2 | 2.92 | 0.1 | 0.07 | <0.02 | |
| 2010 | 1.37 | <0.02 | 1.37 | 0.97 | 0.05 | 0.06 | <0.02 | |
| Everest base camp (5331 m) | 2008 | 0.4 | <0.02 | 0.2 | 3.7 | 0.01 | 0.01 | <0.02 |
| 2009 | 1.05 | <0.02 | 0.13 | 1.46 | 0.06 | 0.07 | <0.02 | |
| 2010 | NA | <0.02 | 0.15 | NA | 0.05 | NA | <0.02 | |
| Lobuche river Lobuche (4919 m) | 2008 | 0.2 | <0.02 | 1.0 | 1.2 | 0.01 | 0.01 | <0.02 |
| 2009 | 0.2 | 0.04 | 0.31 | 0.97 | 0.05 | 0.07 | <0.02 | |
| 2010 | 0.15 | <0.02 | 2.46 | 2.43 | 0.05 | NA | <0.02 | |
| Lobuche river at Pheriche (4279 m) | 2008 | 0.4 | <0.02 | 1.0 | 3.7 | 0.01 | 0.01 | <0.02 |
| 2009 | 1.58 | 0.1 | 1.14 | 1.94 | 0.06 | 0.08 | <0.02 | |
| 2010 | 0.12 | <0.02 | 1.09 | 0.49 | 0.05 | 0.06 | <0.02 | |
| Imja khola at Denboche (4165 m) | 2008 | 0.7 | <0.02 | 0.8 | 3.7 | 0.01 | 0.01 | <0.02 |
| 2009 | 3.6 | 0.08 | 1.21 | 2.92 | 0.10 | 0.07 | <0.02 | |
| 2010 | 3.5 | <0.02 | 3.15 | 1.46 | 0.05 | 0.05 | <0.02 | |
| Namche spring (3440 m) | 2008 | 0.1 | <0.02 | 2.8 | 8.7 | 0.01 | 0.01 | <0.02 |
| 2009 | 0.05 | <0.02 | 3.83 | 1.94 | 0.05 | 0.05 | <0.02 | |
| 2010 | 2.46 | <0.02 | 1.15 | 0.97 | 0.11 | 0.2 | <0.02 | |
| Phakdings (2593 m) | 2008 | 0.1 | <0.02 | 1.0 | 3.7 | 0.01 | 0.01 | <0.02 |
| 2009 | 0.19 | <0.02 | 1.33 | 0.97 | 0.05 | 0.06 | <0.02 | |
| 2010 | 0.02 | <0.02 | 1.51 | 0.97 | 0.05 | 0.05 | <0.02 | |
| Lukla Ghatte khola (2631 m) | 2008 | 0.1 | <0.02 | 1.4 | 6.2 | 0.01 | 0.01 | <0.02 |
| 2009 | 0.06 | <0.02 | 0.26 | 0.49 | 0.05 | 0.05 | <0.02 | |
| 2010 | 0.09 | <0.02 | 0.96 | 1.46 | 0.05 | 0.05 | <0.02 | |
| WHO Standards | 0.3 | 2.0 | 200 | - | 0.1 | 3.0 | 0.01 | |
| Nepal standards | 0.3 | 1.0 | - | - | 0.2 | 3.0 | 0.01 |