Dlo pou bwè pwòp se ki kalite dlo pwòp ase pou yo bwè ak pou kwit manje. Nan 2012 pi fò moun nan mond lan, alantou 89 pousan, te gen aksè a sa a kalite dlo.<ref name=WHO2015>{{cite web|title=Water Fact sheet N°391|url=http://www.who.int/mediacentre/factsheets/fs391/en/|accessdate=14 Januaryjanvye 2016|date=Junejen 2015}}</ref> Most people have dlo pou bwè pwòp through plumbing. Gen lòt ki jwenn bon epi san danje dlo soti nan dlo byen oswa sous piblik.<ref name=WHO2015/> Almost two billion people in the world use unsafe drinking water. Dlo malsen sa a ka gade pwòp men yo toujou gen poupou nan li.<ref name=WHO2015/> Dlo ki gen poupou vini soti nan moun ki malad ka lakòz dyare, kolera ak tifoyid ak anpil lòt pwoblèm sante - menm lanmò.<ref name=WHO2015/>
