Reasons for water constraints:

Reasons for water constraints:

Rapid population growth and increase in human activity
Due to the rapid population growth and increase in human activity, the usage of water increases. Drinking, cooking, bathing, washing, farming, manufactoring industries and cleaning/cooling machines needs the use of water.

Global climatic change
The global climatic change also affects the amount of water usage. Droughts causes water to dry up. and floods contaminate the water supply with dirt and bacteria. Examples are deforestations and global warming.

Limited supply of fresh water
There is a  limited supply of fresh water as salt water in seas and ocean makes up to 97% of the amount of water in the world.

Polluted water in rivers and lakes
The rivers our country do not provide an adequate supply of fresh water to meet our existing needs. In addition, although the rainfall is generally high, occasional dry spells are common, especially during the months of June to October. The amount of rainfall collected in water catchment areas is therefore not enough to satisfy the needs of the whole country. The second reason is the loss of many water catchment areas. This is because in the early 20th century, more land was cleared to make way for housing and industries. However, since then, more land has been set aside as water catchment areas.