New residential developments
In new residential developments, opportunities for the adoption of non-drinking water schemes should be identified where appropriate and cost-effective.
Potential non-drinking water supply options need to be considered early in the planning process to ensure the viability of the project.
Potential single household (on-site) non-drinking water sources and common use(s)
For more information on the sources click on the links in the table.
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Source:
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Groundwater
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Stormwater
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Treated wastewater
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Greywater
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Supply:
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Community bore + third pipe
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Third pipe scheme (urban runoff or from stormwater drain) or via MAR
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Third pipe scheme from WWTP, sewer mining,
or via MAR
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On-site treatment system (decentralised)
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Community scale treatment system2 (centralised)
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Public open space (POS)1
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Garden sub-surface
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Garden sprinkler
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Laundry (cold water)
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Toilet flushing
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| identified as suitable option subject to availability of source, adequate treatment and suitability of location |
1 If POS is not part of a third pipe scheme, see under ‘Irrigating public open space’ for other supply options
2 Greywater is most likely to be treated and reused on-site (decentralised), rather than supplied via centralised scheme