Nuclear Plant Water use vs. Other Electricity Generation, 20 – 83% higher

Found this Australia study on “water requirements of nuclear power stations”

Here is the conclusion.

Per megawatt existing nuclear power stations use and consume more water than power stations using other fuel sources. Depending on the cooling technology utilised, the water requirements for a nuclear power station can vary between 20 to 83 per cent more than for other power stations.

If you are curious on how much water gets used in power generation you can look at this chart.