Skip to contentBack to top of page

Water supply and drought update

A hosepipe ban is coming

This year, the UK experienced one of its warmest and driest springs in over a century. June was also England’s warmest on record. The Environment Agency has put our area into the prolonged dry weather category.  
That’s why we need to bring in a hosepipe ban. It will help protect the environment and make sure there’s enough water to go around this summer.  

The hosepipe ban will start on Tuesday, 22 July 2025, in parts of our supply area: 

  • All OX postcodes 
  • All GL postcodes 
  • All SN postcodes 
  • RG4, RG8, and RG9 postcodes 
View hosepipe ban
Low water at Littlestock Brook and Wetlands

Why only some postcodes are impacted

Supplies are more stretched in some areas than others. Farmoor Reservoir supplies water to these postcodes. Water levels are starting to drop. Local rivers and underground sources are also running low. By bringing in a hosepipe ban, we can all work together to keep taps running for essential use.  

We may need to add postcodes to the hosepipe ban. We’ll keep you updated if anything changes. We really appreciate your help to make every drop count.  

What we're doing: Monitoring and managing supply

Water levels are under pressure. 

This is particularly impacting Farmoor Reservoir. The reservoir supplies water to the Thames Valley area. It depends on the River Thames, and that river is also drying up because of the hot, dry weather.  

When temperatures rise, we all use more water. Whether it’s for cooling off, gardening, or enjoying time outdoors. But this extra demand adds pressure to the network. We need your help to keep water flowing and to help protect our rivers.

To treat and supply water, we’re working 24/7, but we’re nearly at capacity in some areas. Demand is rising quickly, which can lead to slower refilling of tanks. We’re keeping a close watch on the situation. 

Wroughton reservoir

Where our water comes from

Most of our water comes from local rivers and underground sources. Because we live in a water-scarce region, we monitor these carefully.

Woman washing up

What you can do to help

From turning off the tap while brushing your teeth to using a watering can instead of a hose. Even small changes can make a difference.