new RCC world tanks stone drain mouth toilet colour method Filter terrace savings Gutters required capacity rainfall wire mesh courtyard turbidity downpipes clean silt many parts future use atmosphere irrigation dry seasons communities hilly, urban first shower sloping roofs coastal areas potable water contamination Transportation first flushing microorganisms catchment area key components catchment roof allegianceindia laundry washing cleaning powder other materials garden watering household needs roof catchments primary purpose less consumption Application Areas floating material existing buildings rechargeable water first flush device Harvested rainwater drinking water source More Details Contac Us potential contaminants UV-resistant water pipes storage/harvesting system unpaved/paved open ground total household consumption Allegiance Water Management sustainable water management Rooftop Rain Water Harvesting artificial recharge techniques non-potable household activities sub-surface groundwater reservoirs Rooftop rainwater harvesting systems