Water supply very low – messages from Thames Water
Yesterday: Your support required: Water supply risk in your area. To keep taps running please do not use sprinklers & hoses, & use as little as you can. Thank you
Today: Urgent: Serious water supply risk in your area due to high demand. Please only use essential minimum to avoid taps running dry.
See also https://www.thameswater.co.uk/Help-and-Advice/hot-weather/supply-interruptions