Indian Standard: Drinking Water - Specification (IS 10500:2012). Country/Territory India Document type Miscellaneous Date 2012 Source FAO, FAOLEX Subject Water Keyword Potable water Water quality standards Geographical area Asia, Asia and the Pacific, Indian Ocean, South Asian Seas, Southern Asia Abstract This standard, adopted by the Bureau of Indian Standards, prescribes the requirements and the methods of sampling and test for drinking water. It specifies the acceptable limits and the permissible limits in the absence of alternate source. Drinking water must comply with pesticide residue limit, bacteriological requirements, virological requirements and biological requirement provided in the document. It also states that the drinking water must be free from microscopic organisms such as algae, zooplanktons, flagellates, parasites and toxin producing organisms. Full text English Website cgwb.gov.in