A crucial laboratory analysis for determining the quality and safety of drinking water. It involves physical, chemical, and microbiological parameters to assess factors like pH, chlorine levels, nitrates, metals, and contaminants. Microbiological analysis checks for bacteria, viruses, and parasites. The color, clarity, and odor of water are evaluated as physical indicators. International standards set by the World Health Organization (WHO) define the quality of drinking water, playing a vital role in preventing diseases