Why We Love wastewater (And You Should, Too!)
http://mylesgaji197.iamarrows.com/why-it-s-easier-to-succeed-with-wastewater-treatment-process-than-you-might-think
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,