9 TED Talks That Anyone Working in Where does wastewater come from? Should Watch
https://medium.com/@ebulte67ek/10-best-mobile-apps-for-what-is-considered-wastewater-48244aa93264
Wastewater refers to all effluent (= sewage or liquid waste that is discharged into water bodies either from direct sources or from treatment plants) from household, commercial establishments and institutions,