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Water pollution is the contamination of water bodies (e.g. lakes,rivers,groundwater,etc...). This form of envirnonmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.Water pollution affects the entire biosphere – plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and population, but also to the natural biological communities.
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The presence of pollutants like organic matter, toxic substance, etc. in the water bodies in known as water pollution. It can produce bacterias and many other diseases which are very harmful for all.
There are many methods to measure the water pollution like,
Secchi disks
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