A #sewagetreatmentplant is the process of removing contaminants from wastewater, primarily from household sewage. It includes physical, chemical, and biological processes to get rid of these contaminants and produce environmentally safe treated wastewater.
An #effluenttreatmentplant, also known as ETP Plant is a wastewater treatment process (WWTP) that is used to treat waste water. It's mostly used in industries like pharmaceuticals, textiles, and chemicals where extreme water contamination is a possibility.
Rainwater harvesting (RWH) System is the collection and storage of rain, rather than allowing it to run off. A #rainwaterharvestingsystem comprises components of various stages transporting rainwater through pipes or drains, filtration, and finally, storage in tanks for reuse or recharge.
#Rainwaterharvestingsystem is the method of self-supply of water for households, and residential and household-scale projects, usually financed by the user.