Welsh Water (Dŵr Cymru) Hosepipe Ban Status 2026

Coverage Area

Welsh Water supplies most of Wales plus parts of Herefordshire and Cheshire near the Welsh border. The Temporary Use Ban applies ONLY to one supply zone in west Wales: mid and south Ceredigion, north Pembrokeshire and north Carmarthenshire. The rest of Wales is not covered.

Welsh Water says the ban covers around 33,000 properties in a single water supply zone. That is the company's own figure for the restricted area, not its customer base, which is around 3 million people across Wales.

The restricted area is a single water supply zone fed by the Teifi Pools reservoirs and abstraction from the River Teifi at Llechryd, so its boundary follows the network rather than any county or postcode line. Communities in the same county sit on both sides of it. Our postcode checker maps at postcode-area level and cannot resolve a Welsh supply zone, so Welsh Water's own postcode checker is the definitive answer for an individual address.

Not sure of your supplier or whether your address is covered? Use the postcode checker. Official site: Welsh Water (Dŵr Cymru Cyfyngedig).

Drought Outlook

This is not a drought ban, and Welsh Water is unusually direct about it: the company states the restrictions are "not being introduced because there is a shortage of water in our reservoirs" and calls the measure demand-led and short-term. Reservoir levels are described as healthy. The constraint is the ability to treat, pump and replenish local storage fast enough during the busiest parts of the day in a zone fed by just two treatment works, made worse by holiday-season population. Welsh Water also notes that moving water in from reservoirs elsewhere in Wales is impractical given the terrain and pumping costs. Note the regulatory framing: the environmental regulator in Wales is Natural Resources Wales, not the Environment Agency, and Wales runs its own drought planning framework, so English drought-status announcements do not describe the Welsh position.

UK Lawn Care During Welsh Water (Dŵr Cymru) Restrictions

If you are inside the affected west Wales zone, the ban restricts the hosepipe rather than the water: a watering can or bucket is still allowed, and Welsh Water explicitly permits rainwater from a water butt through a hosepipe. An established lawn does not need rescuing in any case. UK lawns are cool-season grasses that go dormant and brown in a heatwave to protect their crowns, then green up within weeks of autumn rain. Stop feeding, raise the mower to 50 to 60 millimetres, and leave the clippings. If you are elsewhere in Wales no restriction applies to you, though this ban is a good argument for fitting a water butt before next summer.

See our keep your lawn alive under a hosepipe ban guide, and overseeding during a hosepipe ban for the September window.