Rainwater is the water that falls from the atmosphere as precipitation. It forms when water vapor in the air cools and condenses into droplets, which then gather and fall to the ground. This natural process is essential for replenishing groundwater supplies, supporting plant growth, and maintaining ecosystems. Collecting and using rainwater can be beneficial for households and gardens. Many people install rain barrels to capture rainwater from rooftops, which can then be used for irrigation or other non-potable purposes. This practice helps conserve water and reduces reliance on municipal water systems, making it an eco-friendly choice.