Water to be treated
1. Feed Water
2. Raw Water
3. Source Water
Water that has been treated
1. Product Water
2. Solute
3. Treated Water
Electrolytes
Impurities that dissolve in Water
Natural or Source Water
It is never pure.
- Water picks up Impurities as it comes into contact with the Ground or, when percolated through the Earth, Mineral Formations.
- It also contains:
1. Dissolved Gases
2. Dust
- picked up by Rain, Snow, and Hail, or by Surface Water in contact with the Air above the Water Level