When you want to calculate how big your dam should be – use this simple formula. 4 units of storage for every 1 unit of required water
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Short answer: As of 17 September 2019, WaterNSW reported critically low dam storage levels across NSW, with most major catchments well below historical averages due to prolonged drought. Inflows remained minimal, and water restrictions were in place across many regional centres. The report highlighted the urgent need for improved water harvesting and storage solutions on …


