Benefits of Rainwater Collection
Ecological benefits of Rainwater Collection
The ecological benefits of recycling rainwater are potentially huge: toilet flushing, for example accounts for approximately 25% of the average household’s water usage. For businesses this figure is much higher, as their employees and clients do not usually take showers or wash clothes. Using rainwater in toilets eliminates the need to use fresh drinking water, and offers a significant reduction in the total water usage.
Another ecological benefit offered by the use of rainwater collection systems is the reduction of the use of mains water, which means that less water will need to be artificially drawn from the environment. Systems can also serve to lessen the load placed upon drainage systems, which means they may also reduce the chances of flooding.
Financial benefits of Rainwater Collection
It is important to note that only those properties fitted with a water meter will benefit financially from rainwater collection systems. Those who do not have a meter and pay a flat rate for water will not see much in the way of financial return, as the amount of drinking water saved will make no difference to the eventual bill (though the ecological effect is still sizeable).
It is impossible to work out exactly how much a rainwater recycling system will save you, as this depends on a huge range of factors, such as water consumption habits both indoors and outdoors, meteorological factors, as well as the size of the system.
It is nonetheless possible to give a very rough estimate on the potential bill savings available to those with water meters. In the case of a domestic system, it is possible that you will save 40-50% on water bills.
Systems in buildings only occupied during working hours (that is, where minimal bathing takes place) may save significantly more on water bills, sometimes as much as 80%. It is important to remember that rainwater recycling will never completely replace a mains water supply, as clean drinking water will still be needed for food preparation and personal bathing.