Central on-site recycled water systems

Approval for recycled water

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Calculate the supply volume

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Volume

On-site recycled water system supply volume

On-site recycled water systems are designed specifically for the development. You will need to ask the hydraulic engineer designing the system for your development to estimate the likely average daily volume of water that will be produced by the system.

BASIX calculations will assume that an on-site recycled/alternative water system collects greywater ONLY (excluding kitchen wastewater). This will limit the water supply volume available based on the greywater sources in the development. Any volume entered beyond this amount will not be calculated.

If your development will be recycling blackwater or if you plan to access to additional waste water (such as through sewer mining or access to commercial wastewater) you will need to apply to have an adjustment made to your data.

Approvals

Council approval is required for the installation and operation of greywater and wastewater treatment and recycling systems that service more than a single household, up to 2500 equivalent persons.

Greywater/wastewater treatment systems that service more than 10 equivalent people are not accredited by NSW Health as these systems cannot be selected "off-the-shelf" but are designed specifically for the development.

NSW Health has approved the use of treated greywater/wastewater for irrigation and toilet flushing. Variations to these uses, such as use for clothes washing or use in cooling towers, will be considered by the consent authority, with the assistance of NSW Health, on a case-by-case basis. Necessary approvals should be sought prior to selecting these other uses within BASIX.