: I am building a new home in U.K. and I would like to install a grey water recovery and storage system. Does anyone have any information pleasePaulI can help you with your problem but require some more detail. What exactly are you trying to do. reuse grey water to flush toilet? what soiurces of grey water are you considering what is the cost limitations what quality are you bothered about.at its simplest you can reuse untrreated grey water by storing and disinfecting but it will smell and look a bad colour.I will be in work from Monday so contact me and I will try to helpBruce