Sunshine Coast Water Recycling: The Infrastructure Keeping Up with Growth

Sunshine Coast Council's water recycling program has expanded to become one of the most comprehensive in Queensland, with Class A recycled water networks serving new residential estates across the Aura development at Caloundra South and extending incrementally into established areas. The program directly addresses the water supply pressure created by a population that has grown by more than 30,000 people in five years.

The Kawana Water Reclamation Plant processes wastewater from across the Sunshine Coast and produces recycled water to an advanced treatment standard. Water from the plant is used for irrigation of public open spaces, sporting fields, and, through dedicated purple pipe networks, household non-potable uses in new estates.

Seqwater's long-term supply plan identifies the Sunshine Coast as a region requiring additional surface storage infrastructure within the next 15 years under medium population growth scenarios. Early planning for a new dam on the Stanley River headwaters has begun, though community and environmental consultation phases typically extend such timelines significantly.

Council water efficiency programs have maintained per-capita consumption at levels that would have been considered ambitious targets a decade ago. Smart metering rollout across the network has enabled leakage detection and real-time consumption monitoring that has improved system efficiency beyond what behavioural programs alone could achieve.

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