- It is environmentally friendly
- It is better for plants
- It is free water
- It prevents soil erosion by reducing rainfall runoff
- It increases self-sufficiency
- It conserves energy from the potable water processes
- It fosters a greater appreciation of nature
- It helps reduce runoff, which in turn can keep pollutants out of our water supply
- It will reduce your water bill
- Rain water is soft
- It keeps the water that falls onto your property, on your property, thereby helping to replenish the watershed
- It saves resources such as electricity because the less water used from the municipal source, the less that has to be pumped
- It can be used easily used for non-potable household uses such as flushing toilets, washing laundry, and washing cars