“…Like, research in Medan, which aims to identify the content of Coliform bacteria in drinks, shows that almost all samples contain Coliform bacteria above the normal limit standard (Simaremare, 2020). Coliform bacteria are usually easily found in drinking water (Kita, Sihabut, & Tantrakarnapa, 2020). This bacteria can be an indicator in determining the suitability of food or drinks because the presence of these bacteria is a sign if there is contamination from other bacteria that can also cause various kinds of diseases, one of which is diarrhea (Mawarni, Hestiningsih, Kusariana, & Wuryanto, 2019;Rostina & Mutiana, 2019;Sinaga, Robson, Gasong, Halel, & Pertiwi, 2016).…”