Experience from existing IPR schemes and and the development of National Guidelines that define the issues that must be addressed for advanced reuse schemes lay the foundation for safe reliable and cost effective alternatives for augmenting drinking water supplies. However, the key requirements for indirect potable reuse ensure a superior quality of water before the product is returned to the environment. It follows that Direct Potable Reuse (DPR) which includes the key elements is also a safe, reliable and cost-effective method of securing water supplies into the future, particularly for those large coastal cities where there is often a substantial distance between raw water storage and the wastewater treatment plants. Moreover, by eliminating the pumping DPR clearly provides a less expensive and less energy intensive option for Australia's major cities.
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