Quality od water can be checked with about 200 Parameters ? (Different Specifications APHA, ES, EPA ICMR BIS, JIS WHO UNICEF and more )
Question is that millions of Chemicals are there and all are correlated with them dumping in the water resources.
Its amazing that that qality of pure wter is deteriorated .
Quality of water can be prprtionated with Climate Change (Concept of mine (Prof.Chhipa)