Around 600 gallons of rainwater can be harvested from about one inch of rain if it falls from a thousand square foot roof. Doesnt that sound like a lot of water that you could harvest and use for free?
Rainwater Collection system using the Aquascape Rainxchange system using Unilock permiable pavers as the patio overlooks extremly large swim pond during Worl...
How To Harvest Rain Water. Harvesting Rain Water. Simple Rainwater Harvesting Guide.

This particular example perfectly highlights why Apartment Patio With Rainwater Harvesting is so captivating.
Rainwater Harvesting. Its true: the sounds and sights of moving water turn any property into a restful escape. But ponds and pond-less water features can also include rainwater harvesting components offering a great way to save water and aid the local ecology.
Rainwater harvesting is collecting the run-off from a structure or other impervious surface in order to store it for later use. Traditionally, this involves harvesting the rain from a roof. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.

Rainwater harvesting is especially effective with single-floor elevations for a multitude of reasons: Larger Roof Area: Compared to multi-storied structures, single-floor homes tend to have a more expansive roof area relative to their footprint, making water collection more efficient.