SwitchRich referred to it being a smart meter, hence the privacy concerns. I have to say that I won't have any kind of smart meter in the house for exactly that reason, despite British Gas pursuing me relentlessly for the last few years.
I have worked in IT for over 30 years and have at least a basic understanding of the value, and dangers, of networked systems and 'big data'.
It's true that the energy industry will save money by making meter readers redundant, but that's not the full story; and it's ludicrous to suggest these smart meters will make any lasting change to the amount of energy consumers use.
So why has the industry spent millions on this programme and on all those TV ads trying to encourage people to have smart meters installed? It couldn't be anything do with a grand scheme for them to regulate energy 'demand' by switching off our appliances remotely I suppose: Hive, Nest, iKettles, iBulbs, iFridges...etc. And surely it's got nothing to do the immense value that our day-to-day living data has to all kinds of multinationals. (That's before you even start to think about issues like criminal and state hacking.)
Still, at least we have the option not to be encumbered by these devices - for the moment anyway. Unfortunately, we longer have that choice with the now mandatory e-call system on new cars ("We won't turn the microphone on remotely, record your journeys or monitor your driving habits. And we won't use it for congestion charging, or to fine you for speeding, or to deny your insurance claim because you were doing 31 in a 30 zone. Honest Guv. You can trust us!").
Sorry for the rant-like diversion, but you'll probably get the point that as far as smart meters are concerned (water or otherwise), I'd rather not contribute to the big-data / internet-of-things revolution, even if it might save me a few quid in the short term. I'd prefer peace of mind and privacy. (And yes I do put sticky tape over my webcams - although I don't wear a bacofoil hat.)
Prejudice, not being founded on reason, cannot be removed by argument. Samuel Johnson.