Water is undoubtedly supreme valuable natural supply afterward air. Despite  fact that water covers  majority of  earth's surface, just  tiny percentage of this is functional, making it extreme valuable. As a result, this valuable & restricted resource be managed with attention. Because water is obligatory for number of determinations, its appropriateness must established prior to usage. Water sources should also be inspected on a regular basis to ensure that y are in excellent functioning condition. Poorly maintained water bodies aren’t  symptom of ecological deterioration, but they constitute  hazard to  ecosystem. Poor water quality in industry can lead to hazards & severe financial loss. As a result, water quality is crucial in terms of both  environment &  economy. As result, testing for water quality is essential before it may be utilised for any purpose. Years of study have resulted in certain st&ard techniques for water quality examination. re are protocols in place for collecting, storing, & analysing materials.  normal sequence of events is detailed succinctly here so that analysts & researchers can profit from it.