| Excess Impurity | Potential health Hazards |
| Calcium | Kidney Stone |
| Magnesium | Digestion related diseases |
| Sodium | High Blood Pressure |
| Potassium | Electrolyte imbalance |
| Fluoride | Bone disease & Ugly patches on the teeth |
| Nickel | Kidney damage/ respiratory problems High risk of cancer |
| Sulphates | Dehydration / gastrointestinal irritation |
| Nitrates | Bluebaby Syndrome |
| Lead | in Children : delayed development of mental and physical faculties |
| Pesticides | Cancer, Nervous System damage, Birth defects |