More than eight million households in the UK are subject to temporary hosepipe or usage bans, with additional restrictions affecting millions of people in recent days. Water companies introduce these bans as prolonged dry weather and repeated heatwaves drive higher-than-usual demand and reduce available supply. The BBC reports the bans cover more than eight million households, raising questions about how water resources are managed. Other outlets link the measures to summer rainfall shortfalls and forecast uncertainty, with some regions receiving far less rain than usual. Coverage also notes that enforcement and timing vary by water provider and area. Local restrictions are described as covering parts of eastern England and the south, including areas served by Anglian Water, Cambridge Water, South East Water and Southern Water, alongside London-area customers affected as reservoir levels drop. The measures are typically justified by water companies as being necessary because supplies are being used faster than they can be replenished naturally or because key source levels fall to critical points. As a result, mains water cannot be used to fill certain items or for outdoor watering via hosepipes and equivalent equipment, with penalties potentially applying for breaches.