It is also a matter of how filthy and how dirty. They then remove any large solid objects being dragged into the water like twigs, leaves, branches and even fish.

In the next step, sulfuric acid, when combined with aluminum sulfate are used to make the water solids in one mass. This makes them much easier to get rid of.

After it has been treated with chemical, the water enters an air flotation tank which mixes it by clean water infused with air. Tiny water bubbles are able to rise up creating a layer that is known as sludge. This can be removed by the mechanical arm.

Then, the water runs through rapid gravity filters containing a layer of anthracite and two layers of sand. Other solids are removed by the coal and the sand.

The water needs to be clear and soft and free of chemicals such as pesticides. Carbon activated is employed to get rid of these contaminants.

Final step: disinfect water using chlorine. This is to ensure that the water does not contain from harmful bacteria.

Once all the procedures are completed and the water has been filtered, it is acceptable to drink.

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