Maybe more investment needs to be put in to not using drinking water where it’s not needed, for example washing our cars,clothes,flushing toilets for starters, people watering plants,grass etc that just doesn’t need it. I watch people on our site just watering everything with just a few sprinkles of tap water every day in warm weather. I sink bottles in next to beans,squashes,sweetcorn etc & water through them every week if needed.