The current Hygienic Standards for Drinking Water (GB5749-2022)Water QualityIt stipulates strict hygiene requirements, namely: ① good sensory properties: transparent, colorless, free of odor and odor, and free of visible objects; ②Epidemiological safety: no pathogenic microorganisms and parasite eggs; ③The chemical composition is harmless to human beings: the chemical substances contained in the water will not cause acute poisoning, chronic poisoning and long-term harm to human beings.[2]
