Water

This considers both water efficiency mechanisms and / or source substitution such as water reuse facilities.

Objective

Improve water use efficiency.

Target

Measures that would achieve 55% reduction in potable water use across the development (compared to recent historical data and/or ‘traditional’ development meeting basic regulatory standards).

Water tank

Principles

  • Reduce potable water use. There are two fundamental strategies to achieve this although a combination of these strategies may also be selected:
    • Reduce overall water use by 55% – e.g. through water efficiency mechanisms – more than mandated under Sustainable Housing Code (e.g. 3 star WELS showerheads and dual flush toilets)
    • Utilise alternative water sources (e.g. rainwater, stormwater, dual reticulation) for more than 55% of the development’s water use (without increasing water use unnecessarily / unreasonably). If underground water / bore water is to be used to supplement potable supplies then there will also need to be evidence of water efficiency mechanisms and water balance calculations to show aquifer recharge.

Standards

 

Industry

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