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A $500 rebate is available for the purchase and installation of a permanent greywater system that is compliant with Environment Protection Authority (EPA) publications:

Greywater use around the home and Guidelines for environmental management: code of practice - onsite wastewater management. System must include subsurface irrigation. This rebate may be claimed where the product is installed in a new home.

Treatment type permanent greywater systems must be approved by the Victorian EPA and listed on the its website, www.epa.vic.gov.au and non-treatment systems must be listed on the Our Water Our Future website at: www.ourwater.vic.gov.au.

Permanent greywater systems must not contain blackwater (water from a toilet or septic tank). The systems must also have the necessary Council permit (where required) and be installed by a licensed plumber who must provide a copy of the PIC certificate.