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Water Facts~ Water Treatment and Pollution

What is in Water?
Hong Kong's water source is mainly from Dong Jiang River in China. The upstream of the river goes through the heart of South China industrial and farm zone with very diverted source of pollution sources in additional to normal human related discharge.

In municipal or city public water supply, the water has generally been treated with Chlorine and goes though a number of purification process such as electrodialysis, Flocculations, etc. to achieve the desirable cleanliness and also taste. By the time it reaches our home, however, there are still many components than eyes can see.  Typically, water coming from city water treatment plant does exceed majority of water standards in the world. However, there are still materials inside which typically can impact your health in long term.

There are many sources which can re-contaminate our drinking water in the municipal system. Even without all these external contaminations, there are still traces of many different substances including heavy metal and artificial synthesis organic materials, such as pesticide, detergents, industrial chemicals, etc. which affect health and still leach into our water supply. (Click picture to enlarge)