Water is of two types
- Pure water (Tahur)
This type of water still retains its essential characteristics. Typical examples of his water are rain, snow, sea, river, spring, and well. This type of water is permissible to use for ablution (wudu’) and drinking.
2. Impure water (Najis)
This type of water has had a change in at least one of its essential characteristics: color, order, or taste. This occurs when it mixes with impurities such as excrement; urine; blood or corpse. This type of water is forbidden to use for wudu or drinking. One’s wudu’ is considered invalid if such water is used.