As someone in the UK, it seems insane that cutting off domestic water is even allowed. It's considered a basic right, and even during droughts, the water companies have to supply a basic level to everyone. (https://www.citizensadvice.org.uk/consumer/water/water-suppl...)
You can cut off water to commercial premises for non payment, but that doesn't seem to be what's happening here.
You can cut off water to commercial premises for non payment, but that doesn't seem to be what's happening here.