Harvesting rainwater for daily use on multiple application provides us multiple reason to continue using the system. In a way, the rainwater harvesting system actually protects the environments by reducing the usage and wastage of the treated water resources.
This is also good to promote independent water supply by not relying solely on treated main water sources only. Rainwater harvesters has reported on seeing huge difference on their utilities bills and has saved a lot on water related expenses. Usually, the harvested rainwater is used to water gardens and farms.