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Rainwater Harvesting Systems

Rainwater harvesting is the collection, filtering and storing of rainwater from the roofs of domestic and commercial buildings to be used in non-hygienic applications such as flushing toilets, washing clothes, washing vehicles and garden irrigation. With ever increasing water prices rainwater recycling is one of easiest ways to save money by reducing the running costs of homes and businesses.

Rainwater Harvesting is one of the simplest ways to make homes and businesses more environmentally friendly. Building regulations, the Code for Sustainable Homes and BREEAM aim to reduce water consumption in new buildings encouraging water conservation methods. Studies have shown that Rainwater Harvesting can reduce water wastage in commercial applications by as much as 85% and 50% in domestic use.

Rainwater Harvesting scores high-creditation for Water Efficiency under the BREEAM environmental assessment method for buildings and is very beneficial when applying for building planning permission.

Rainwater Harvesting

Rainwater Harvesting Control Panel

The Benefits of Rainwater Harvesting

Rainwater Harvesting and Grey Water Recycling provide many environmental and economic benefits. Some of these are:

  • Provides free water supply and reduces water bills
  • Reduces flooding, erosion and storm drain overflow
  • Reduces the energy used in water supply thus reducing your Carbon Footprint
  • Reduces environmental damage to rivers and lakes due to flooding
  • Can be used to recharge groundwater
  • Garden plants thrive on it
  • Good for laundry and reduces the amount of detergent required
  • Is beneficial to washing machines as it does not produce limescale
  • Promotes self-sufficiency
  • Simple to install and easy to maintain
  • Helps with planning applications
  • Gains Eco-home points for the property
  • Businesses can write off 100% of the cost under the Enhanced Capital Allowance (ECA) scheme

Rainwater Harvesting Domestic System- Diagram

Rainwater Harvesting Domestic System Diagram
  • 1. Rainwater is collected through guttering
  • 2. Water is filtered
  • 3. Stored in underground tank
  • 4. Tranfered to high level tank
  • 5. Fed to non-potable application by control system