Amanzi ngumthombo wobomi, ngumzimba womntu imathiriyeli eqhelekileyo eyimfuneko.Ukuze kuqinisekiswe ukhuseleko lwamanzi asisiseko, iChina yaqulunqa kwaye yabhengeza uMgangatho weSanitarv waManzi okuSela kwangoko ngo-2007 (GB5749-2006).Ngokwenyani, xa abantu bethatha inyathelo lokuqala lokusebenzisa amanzi, akulunganga ukufikelela kumgangatho wempilo ngokwenene.Ukuze ukhusele impilo yomzimba kunye nokuqinisekisa umgangatho wobomi, ukuhluzwa kwezinto ezahlukeneyo (ngokomzimba, iikhemikhali kunye ne-biological) zichaphazela.
Amanzi asempilweni nasempilweni ahlala efuneka kubomi bemihla ngemihla.I-Dali meltblown kunye ne-carbon rod filter elements eziqinisekiswe yi-NSF zisetyenziswa ngokubanzi kunyango lwamanzi okusela.