The chief conditions under which tayammum become permissible are as follows:

1. When one is unable to find clean water to perform wudu' or ghusl (it is always fard [obligatory] to search for water when one is in a city),
2. When one is afflicted with a disease that prevents one from using water or when there is the danger that one would die or fall sick because of cold if one used water,
3. When near water is an enemy, a wild or poisonous animal that will set upon,
4. When one cannot use water because one is imprisoned,
5. When one is threatened with death,
6. When a traveler does not have extra water other than that which he will drink,
7. When, though there is a well, it is not possible to extract water from it.
8. This situation, for any salah that you can not perform alone. Example as if you go for wudu for janazah salah, It will be late, you can not join janazah salah,

What is Tayamum or How to perform Tayammum ?

There are three obligatory elements in tayammum:

1. Making intention (niyyah),
2. Rubbing the palms of both hands on clean soil and wiping the entire face thoroughly with them,
3. Striking the hands on clean soil and wiping the right arm first and then the left one.

The chief conditions under which tayammum become permissible are as follows:

1. When one is unable to find clean water to perform wudu' or ghusl (it is always fard [obligatory] to search for water when one is in a city),
2. When one is afflicted with a disease that prevents one from using water or when there is the danger that one would die or fall sick because of cold if one used water,
3. When near water is an enemy, a wild or poisonous animal that will set upon,
4. When one cannot use water because one is imprisoned,
5. When one is threatened with death,
6. When a traveler does not have extra water other than that which he will drink,
7. When, though there is a well, it is not possible to extract water from it.
8. This situation, for any salah that you can not perform alone. Example as if you go for wudu for janazah salah, It will be late, you can not join janazah salah,

The chief conditions under which tayammum become permissible are as follows:

1. When one is unable to find clean water to perform wudu' or ghusl (it is always fard [obligatory] to search for water when one is in a city),
2. When one is afflicted with a disease that prevents one from using water or when there is the danger that one would die or fall sick because of cold if one used water,
3. When near water is an enemy, a wild or poisonous animal that will set upon,
4. When one cannot use water because one is imprisoned,
5. When one is threatened with death,
6. When a traveler does not have extra water other than that which he will drink,
7. When, though there is a well, it is not possible to extract water from it.

The chief conditions under which tayammum become permissible are as follows:

1. When one is unable to find clean water to perform wudu' or ghusl (it is always fard [obligatory] to search for water when one is in a city),
2. When one is afflicted with a disease that prevents one from using water or when there is the danger that one would die or fall sick because of cold if one used water,
3. When near water is an enemy, a wild or poisonous animal that will set upon,
4. When one cannot use water because one is imprisoned,
5. When one is threatened with death,
6. When a traveler does not have extra water other than that which he will drink,
7. When, though there is a well, it is not possible to extract water from it.
8. This situation, for any salah that you can not perform alone. Example as if you go for wudu for janazah salah, It will be late, you can not join janazah salah,