Captured and Recycled Water Systems

What can rainwater harvesting save large volumes of water for?

• Drinking

• WC flushing, garden irrigation, and clothes washing

• Cooking

• Bathing

Where does the rainwater pipes from the property rainwater guttering system discharge into?

• A filter

• A submersible pump

• A storage cistern in the roof space

• A large storage cistern buried beneath the ground

What is the purpose of the filter in a rainwater harvesting system?

• To remove sediments and solids

• To disinfect the water

• To pump the water to the roof space

• To distribute the water to the WCs

What type of water should a rainwater harvesting system be marked as?

• Potable water

• Grey water

• Non-potable water

• Mains domestic supply

What is the term used for waste water from baths, showers, and washing machines?

• Rainwater

• Potable water

• Grey water

• Mains cold water

Where is the cistern installed in a grey water recycling system?

• In the roof space

• Below ground

• In the property rainwater guttering system

• In the WC

What should be prevented to avoid contamination issues in grey water recycling systems?

• Cross-connections between grey water recycling and mains cold water

• Using rainwater for WC flushing

• Disinfecting the grey water

• Multiplying bacteria in the grey water