Sewage Treatment Plant

A sewage treatment plant, often referred to as a wastewater treatment plant (WWTP) or sewage treatment works, is a facility designed to treat and process wastewater and sewage from homes, businesses, and industrial sources. The primary goal of a sewage treatment plant is to remove pollutants and contaminants from wastewater to ensure that the treated water can be safely released back into the environment or reused for various purposes.
https://www.kelvinindia.in/sewage-treatment-plant