If you've ever wondered what a quiet crisis looks like, it's happening to Melbourne's water supply right now.
Storage levels have fallen to 69.7%, the lowest they've been since July 2020, and the situation isn't improving. From July 2024 to June 2025, water flowing into Melbourne's storages was 36% below the 30-year average—the steepest single-year decline since the early 2000s drought, according to Yarra Valley Water's 2026 outlook.
What makes it worse? Autumn is forecast to be drier and warmer than normal, increasing evaporation and reducing the inflows the city desperately needs.
Here's what you need to know. Melbourne currently uses about 200 billion litres more water annually than flows in. That gap is the real story. In a normal year, inflows meet demand. Now they don't. The desalination plant, which supplies roughly 24 percent of the city's drinking water, is plugging the gap, but it comes at a cost.
If you've been wondering whether your water bill will rise, the answer is probably yes. Desalination is expensive to run, and a prolonged drought could push the plant to full capacity, adding significant costs to annual household bills on top of the existing cost-of-living squeeze. Good news is Melbourne's water bills remain the lowest of Australia's major cities, but that advantage could narrow.
The bigger question: what happens if storages drop to 60 percent? That's when the Victorian government would likely impose formal water restrictions, the kind where you can't water your garden or wash your car with a hose. Breaches of past restrictions carried fines up to $6,000.
The good news is Melbourne's water supply is diverse and the city's permanent water-saving rules have been in place since 2011. You're already operating under restrictions; most don't realise it.
What you can do now: fix leaks promptly (a dripping tap wastes 5,000 litres annually), take shorter showers, turn off taps while brushing teeth or soaping dishes, and check your meter monthly to spot unexpected usage. These aren't revolutionary steps, but they cushion your household against tighter restrictions and higher bills while stretching the city's supply through autumn.
The water crisis won't solve itself. Households that act now can protect themselves and help protect Melbourne's future.