There is increasing interest in using greywater for the garden. As I have been researching there is a number of health and environmental risks involved if you don’t use greywater safely.
Each state has it’s own rules and regulations and I strongly suggest you check before you install a system. While you are doing that looking into the available water grants. In Victoria greywater can be used either treated or untreated, although some conditions apply to each type of use.
If looking at diversion system you should consult with a licensed plumber before you alter any of your household plumbing.
This option carries a lower health risk. And depending on the type of treatment, it can be used for a range of purposes including garden watering, toilet flushing and in your laundry. The downside is that greywater treatment systems can be expensive to set up and operate.
Greywater treatment systems also require a council permit in Victoria and need to be operated according to strict conditions. Contact your local council for further information.
Link: Scientific information on Greywater pollution
Untreated Greywater
Untreated greywater can be used in dry periods for garden watering. You can do this either by directly diverting it from your household plumbing fixtures, using a hose or diversion device. Council approval is not required in some areas of Australia but check your local council website first.
A warning greywater can make the householders ill and kill off your plants. A few simple precautions will help to minimise any risks to you, your family and your garden.
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