What is World Water Day? World Water Day, on 22 March every year, is about taking action to tackle the water crisis. Today, 1.8 billion people use a source of drinking water contaminated with faeces, putting them at risk of contracting cholera, dysentery, typhoid and polio. We’re all wasters when it comes to wastewater. Every time we use water, we produce wastewater. And instead of reusing it, we let 80% of it just flow down the drain. We all need to reduce and reuse wastewat