The Ugly Truth About What is considered wastewater?

https://collinpdqp412.page.tl/So-You-h-ve-Bought-Wastewater-treatment-facility--.--.--.--Now-What-f-.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,