PART A (40%) 1. What is the definition of public water system? What is the predo

Question

PART A (40%) 1. What is the definition of public water system? What is the predominant source of nitrate in public water system and what is the health risk of excessive nitrate in drinking water 2. 3. What is the health benefits of drinking water containing the optimum concentration f fluoride and what is the adverse effect of fluoride deficiency in drinking water supply. What is the health risk of trihalomethane (THM) and haloacetic acids (HAAS) in drinking water? What is the origin of THM in treated water? can be taken to reduce formation of this by-product 4. Specify at least two actions that

Explanation / Answer

1) It is the organisation in which water distributed to the public for utility and drinking purpose.

2) Blue baby syndrome will come due to the excess nitrate. It is induced due to excess use of fertilizers.

3) Flouride can help in getting flourine which helps in the formation of teeth and bones. Deficiency of flouride in water can cause dental caries.

4) There is a risk of cancer if excess THM and HAAS are present.. These are present in water due to chorination of organic water

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