how safe is the water at the end of the water treatment how it is tested
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the end of the water treatment level is the chemical method and it is treated in the 1. the sewage is passed from the bar screens .
2. the grit , pebbles settled down and the water is sent to sedimentary tanks .
3. solid such as faeces settle down at bottom and the are removed with a scraper. this is called sludge. this this how the water is obtained is called clarified water . this is how the water is treated .
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