3 Reasons Your Where does wastewater come from? Is Broken (And How to Fix It)
https://collinpdqp412.page.tl/8-Go_To-Resources-About-Water-and-waste-management.htm
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,