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Rainwater Harvesting

Rainwater harvesting simply collects the rain which fall onto roofs, then stores it in a tank until required for use. When required, the water is then pumped to the point of use, ie drinking water, water for livestock, water for irrigation or to refill aquifers in a process called groundwater recharge, thus displacing what would otherwise be a demand for mains-water. Rainwater collected from the roofs of houses, tents and local institutions, can make an important contribution to the availability of drinking water. In the process, a volume of water is kept out of the storm-water management system, thereby helping to reduce flooding risks.

Water collected from the ground, sometimes from areas which are especially prepared for this purpose, is called Stormwater harvesting. In some cases, rainwater may be the only available, or economical, water source.

Rainwater harvesting systems can be simple to construct from inexpensive local materials, and are potentially successful in most habitable locations. Roof rainwater can be of good quality and may not require treatment before consumption. Although some rooftop materials may produce rainwater that is harmful to human health, it can be useful in flushing toilets, washing clothes, watering the garden and washing cars; these uses alone halve the amount of water used by a typical home. Household rainfall catchment systems are appropriate in areas with an average rainfall greater than 200 mm (7.9 in) per year, and no other accessible water sources.

There are a number of types of systems to harvest rainwater ranging from very simple to the complex industrial systems. The rate at which water can be collected from either system is dependent on the plan area of the system, its efficiency, and the intensity of rainfall (i.e annual precipitation (mm per annum) x square meter of catchment area = litres per annum yield) … a 200 square meter roof catchment catching 1,000mm PA yields 200 kLPA.

There are so many Benefits of using rainwater, firstly rainwater is a huge money saver because it falls free from the sky and you can save as much as you like, using it how you want. Rainwater is an environmentally friendly natural resource which is easy to maintain

  • A huge Money Saver
  • Rainwater is free of charge
  • Harvesting a Natural Resource
  • There will be a continuous rise in prices of supplied water and by having a rain water harvesting
    tank you will not be effected.
  • Rainwater Harvesting is Self Sufficient and factors like a Hose Pipe Band will not
    affect you.
  • Perfect and ideal for Schools, Business’s, Industrial and Commercial uses.
  • Helps to reduce flash flooding
  • Easy to install


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