Western Australia’s nation-leading population growth threatens water security
Rainwater runoff into Perth’s dams has become almost immaterial, forcing increased reliance on energy intensive desalinated water and ongoing over-pumping of ever deeper aquifers In 2024-25 Perth’s Integrated Water Supply Scheme (IWSS) supplied a total of 337 billion litres of water to customers. After subtracting summer evaporation losses, a desperately dry 2026 autumn and winter
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