14 Businesses Doing a Great Job at wastewater treatment process
https://www.minds.com/wellan1ehu/blog/what-freud-can-teach-us-about-wastewater-treatment-facility-1004096999559397376
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,