Gold Coast Water Security: What Seqwater's Plan Means for Residents

Southeast Queensland Water's long-term supply strategy identifies the Gold Coast as the region most exposed to supply risk under extended dry conditions, given its distance from major storage infrastructure and the seasonal variability of local catchments. The Hinze Dam on the Nerang River provides the primary local storage, supplemented by the regional grid connecting to Wivenhoe and Somerset during periods of high demand.

Recycled water infrastructure has expanded as a direct response to supply concerns. Advanced water treatment at the Pimpama Coomera facility now provides Class A recycled water for household non-potable uses in newer residential estates, reducing demand on potable supplies for garden irrigation and toilet flushing.

Desalination capacity at the Gold Coast Desalination Plant remains available as a drought backup, though current operating cost makes it uneconomic as a primary supply source. The plant can produce 133 megalitres per day when activated, providing meaningful supply support during severe dry periods.

Council water consumption rebate programs have maintained per-capita water use at levels below the Southeast Queensland average, an outcome the council attributes to continued community engagement on water efficiency rather than pricing signals alone.

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