Water treated and untreated E.Coli, Fecal Coliform, Fecal Streptococci, standard plate count, total coliform IS 1622 Drinking water E.Coli, standard plate count, total coliform IS 1622   Packaged drinking water Aerobic microbial count (37°C) IS 5402 Aerobic microbial count (22°C) IS 5402 E.Coli IS 15185 Coliform IS 15185 Fecal Streptococci IS 15185 Pseudomonas aeruginosa IS 13428 Annex D Salmonella sp IS 15187 Shigella sp IS 5887 Part 7 Vibrio Chloerae IS 5887 Part 5 Vibrio parahaemolyticus IS 5887 Part 5 Yeast and Moulds IS 5403