Unit roads green areas tanks demand Filter Aligns details Purpose gutters culture barrels rooftops practice flooding services Benefits home use awareness dry spells resurgence future use commercial downspouts water supply conservation various uses ancient times water scarcity Fire protection allegianceindia storage vessels Self-sufficiency turnkey solutions livestock watering groundwater levels Stormwater control strategic approach efficient water use rainwater management sustainable solution mere water collection Rain Water Harvesting groundwater pollution Allegiance Enterprise environmental footprint sustainable development Soil erosion prevention industrial applications crucial natural resource groundwater pumping costs High-quality water source overburdened water systems water resources management Supplementary water source Allegiance Water Management water management challenges sustainable living principles Landscape irrigation Wildlife rooftop rainwater harvesting systems