• Description: This method involves capturing rainwater from rooftops via gutters and downspouts, storing it in tanks or cisterns for future use. The harvested water can be used for non-potable purposes like irrigation or toilet flushing.
• Applications: Residential homes, commercial buildings, schools, and industrial facilities.
• Advantages: Simple to install, cost-effective, and reduces demand on municipal water supplies. Ideal for individual households and small businesses.