How Drinking Water is Supplied in Kolkata Points: Extraction of raw Ganga water- purification by mixing alum-reservation in a big tank-filtration in filter beds-super purification in filter houses-chlorine charged – testing-taken into pressure house-supply.
Study the following flow chart and describe in about 100 words how drinking water is supplied in Kolkata from Palta Water Works.
How Drinking Water is Supplied in Kolkata from Palta Water Works
Water is life so goes an age-old saying. It is very interesting to note how drinking water is supplied in Kolkata from Palta Water Works. It involves a number of interconnected activities. At first, raw Gamga water is extracted. Then the purification by mixing alum is done. Next, it is reserved in a big tank. Thereafter the filtration in filter beds is done. After that, the super purification in filter houses is done. Next, chlorine is charged. Then it is tasted. Next, that is taken into pressure house. And at last, it is supplied in Kolkata.
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