Rain Water Harvesting

The idea of capturing rain water and storing it for use later is not a new concept. Records dating back thousands of years demonstrate civilisation depended on it - right up until the Victorians began building the mains water supply system we relied on rain water to top up our local needs.

With the ever growing demand and expense of processing water for potable use, it makes ecological and financial sense to harvest rain water whenever possible.

Rain water harvesting systems allow you to replace mains water with water collected from the roof. The water is stored and then distributed to non-potable applications inside and outside the property. If the water storage drops to a low level it is usually topped up from the mains supply.

Types of Systems

There are several options but the two primary systems are the gravity fed system and the direct system.

• Gravity Fed System
  This system uses an elevated storage tank that stores filtered water pumped from the main storage tank. The main advantage to this system is that in the event of a power cut the water supply is not affected.
• Direct Pump System
  This system pumps water directly from the main storage tank to the outlets. The main advantage to this system is that rain water is delivered at mains water pressure.

Design and Likely Savings

Each project is unique - roof area, occupancy, toilet flushing, washing machine and external uses all play a role in the design of a system.

Contact us for a full quotation.