From 1 July 2020 the price you pay for water will depend on dam levels. While dam levels are above 60%, you will pay $2.35 per kilolitre of water you consume. But if dam levels fall below 60%, this price will rise to $3.18 per kilolitre.
In this regard, how much does 1l of tap water cost? Single-use water bottles cost Londoners money. The average cost of tap water in the UK is 0.1 pence per litre, compared to 65p for 1 litre of bottled water.