20 Resources That'll Make You Better at Wastewater treatment facility
http://jeffreyigat257.over-blog.com/2019/08/wastewater-treatment-facility-all-the-stats-facts-and-data-you-ll-ever-need-to-know.html
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,