Increased demand from the heatwave has put short-term pressure on water supply, and should river flows continue to fall, there will be growing threats to water supply later in the year. In his blog, Principal Hydrologist from the UK Centre for Ecology & Hydrology, Jamie Hannaford uses the Hydrological Summary, Hydrological Outlook and interactive water situation monitoring tools to look at the current water resources situation and how it may evolve in the coming months.