Why the UK Keeps Announcing Hosepipe Bans | RainViewer Blog

TL;DR: A hosepipe ban is a lagging indicator: by the time it is announced, the shortfall behind it is months old. Reservoirs refill over winter, so a dry winter starts the summer already below normal The ban triggers when levels cross a threshold written into each company’s drought plan Supply boundaries follow reservoirs and catchments, not county lines Groundwater recovers even more slowly, so rain does not lift a ban straight away The announcement names a supply area, not the postcodes inside it A hosepipe ban always sounds like a response to a hot week. It rarely is.