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Wales Faces Environmental Drought as River Levels Plummet

7/23/2026, 11:05:35 AM

Environmental Drought Looms

River flows across Wales are approaching all-time lows after July rainfall fell to roughly 5 % of the long-term average, following consecutive heatwaves and a dry April-June period. Natural Resources Wales (NRW) has moved north and south-east Wales into “prolonged dry weather” status, the first step toward an official environmental drought declaration.

Causes and Current Conditions

The severe deficit in precipitation has left major rivers—including the Clwyd, Alwen, Alyn, Clywedog, Dyfi, Conwy, Wye, Dee and Severn—running at unusually low levels. Water temperatures have risen to about 28 °C in the Wye and Usk, further stressing aquatic ecosystems. Reservoir releases are being used to bolster flows on the Clwyd, Wye, Severn and Dee, but experts warn that recovery will be slow even if weekend rain arrives.

Impacts on Wildlife and Agriculture

Afonydd Cymru, the umbrella body for Wales’ river trusts, reports fish deaths and heightened water-quality concerns linked to the dwindling flows. Farmers and growers describe “bone-dry” fields, premature crop ripening, and the need to provide extra water and shade for livestock. The National Farmers’ Union of Wales (NFU Cymru) notes that springs and streams on farms are drying up, threatening both animal welfare and yields.

Official Responses

NRW head of operations for south-west Wales, Huwel Manley, warned that even larger rivers are flowing below normal and urged the public to reduce water use, suggesting showers instead of baths. A Welsh Water spokesperson clarified that the company’s temporary hose-pipe ban for 33,000 west-Wales properties is an operational measure based on drinking-water demand, distinct from NRW’s environmental-drought status, which reflects broader rainfall, river-flow and groundwater conditions.

Verbatim Quotes

  • “And then there are also little things that can be done, such as putting some water out in the garden for mammals and birds.” — Gail Davies-Walsh, chief executive of Afonydd Cymru
  • “People are going to have to adapt, think about gathering their own water," said Paul Thomas of the National Vegetable Society.” — Paul Thomas
  • “One of the things I noticed this morning is the trees are going into autumn colour, and that's a big worry, it's not even August yet.” — Elen Hughes, of Trelawnyd, Flintshire
  • “ "We've had really dry weather but also it's been really hot - and those things combined if you're a livestock farmer means excessive pressure on livestock," said Abi Reader, president of NFU Cymru.” — Abi Reader, president of NFU Cymru