A lot of water currently is wasted because of inefficient harvesting and treatment. There are a number of zero wastewater initiatives like wastewater treatment system, decentralized wastewater treatment system, rainwater harvesting and detention pond that may help solve the problem. In a wastewater treatment system, water from a septic tank goes through a collection bin, filter system and then exposed to ultraviolet treatment. While in rainwater harvesting, rainwater is captured by a cistern, then undergoes chlorine treatment and through a sand filter before it finally goes to overhead tanks. Detention ponds are......

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