We regulate England and Wales' water sector, so companies provide the best customer service and improve the environment. RTs do not imply endorsement
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ALT Text reads: The Drinking Water Inspectorate, Environment Agency, Natural Resources Wales and Ofwat have published performance insights in a joint regulator report. We are making it simpler to see how companies are performing on a range of areas, including drinking water quality, leakage and pollution. The copy is written in a blue font, on a purple and green background. At the bottom of the image are the logos for the Drinking Water Inspectorate (DWI), Environment Agency, Cyfoeth Naturiol Cymru (Natural Resources Wales), and Ofwat.
ALT Text reads: We are making it simpler to see how companies are performing on a range of areas, including drinking water quality, leakage and pollution. We want companies to improve and make progress and where they fall short, we will use our regulatory tools, including enforcement and financial penalties to hold them to account. The copy is written in a blue font, on a purple and green background. At the bottom of the image are the logos for the Drinking Water Inspectorate (DWI), Environment Agency, Cyfoeth Naturiol Cymru (Natural Resources Wales), and Ofwat.
ALT Mae’r Arolygiaeth Dŵr Yfed, Asiantaeth yr Amgylchedd, Cyfoeth Naturiol Cymru ac Ofwat wedi cyhoeddi gwybodaeth am berfformiad mewn adroddiad ar y cyd gan y rheoleiddwyr. Rydym yn ei gwneud yn haws gweld sut mae cwmnïau’n perfformio mewn amrywiaeth o feysydd, gan gynnwys ansawdd dŵr yfed, gollyngiadau a llygredd. Mae’r testun mewn ffont glas ar gefndir porffor a gwyrdd. Ar waelod y ddelwedd mae logos yr Arolygiaeth Dŵr Yfed (DWI), Asiantaeth yr Amgylchedd, Cyfoeth Naturiol Cymru (Natural Resources Wales) ac Ofwat.
ALT Rydym am i gwmnïau wella a gwneud cynnydd, a phan na fyddant yn cyrraedd y safonau disgwyliedig, byddwn yn defnyddio ein pwerau rheoleiddio, gan gynnwys camau gorfodi a chosbau ariannol, i’w dwyn i gyfrif. Mae’r testun mewn ffont glas ar gefndir porffor a gwyrdd. Ar waelod y ddelwedd mae logos yr Arolygiaeth Dŵr Yfed (DWI), Asiantaeth yr Amgylchedd, Cyfoeth Naturiol Cymru (Natural Resources Wales) ac Ofwat.
ALT Mae'r ased yn cynnwys testun wedi'i ganoli yng nghanol colofn felen. I'r dde o'r testun mae llun o Afon Dyfrdwy a Rheilffordd Llangollen ger Carrog. Mae'r testun yn dweud: Hafren Dyfrdwy Pecyn gorfodi arfaethedig ar gyfer methiannau dŵr gwastraff
ALT The asset has text centred in the middle of a yellow column. To the right of the text is a photo of the River Dee and Llangollen Railway near Carrog. Text reads: Hafren Dyfrdwy Proposed enforcement package for wastewater failures
ALT The photo is of water management systems at the Bolton Wastewater Treatment Works, showing water flowing into the River Irwell. There is an Ofwat logo in the top left hand corner of the photo.
ALT The photo is of a man and young boy in a garden. The boy is watering plants with a watering can.
ALT We've provisionally approved £3.4bn of additional funding for 2025-2035 to upgrade water infrastructure, support growth and improve the environment.
ALT £1.2bn will safeguard services and assets for future generations £477m will be spent across the sector to meet growth and help unlock housebuilding and data centre challenges £34m will help manage PFAS and forever chemicals to ensure a reliable drinking water service.
ALT We’ll track performance to ensure companies are delivering the expected improvements for customers and the environment. Have your say on our consultation by 24 September 2026.
ALT Rydym wedi cymeradwyo’n amodol £3.4 biliwn o gyllid ychwanegol dros 2025 -2030 er mwyn uwchraddio seilwaith dŵr, cefnogi twf a gwella'r amgylchedd.
ALT Bydd £1.2 biliwn yn diogelu gwasanaethau ac asedau ar gyfer cenedlaethau'r dyfodol. Bydd £477 miliwn yn cael ei wario ar draws y sector i gefnogi twf ac i helpu i ddatrys heriau adeiladu tai a chanolfannau data. Bydd £34 miliwn yn helpu i reoli PFAS a chemegion am byth er mwyn sicrhau gwasanaeth dŵr yfed dibynadwy.
ALT Byddwn yn olrhain perfformiad er mwyn sicrhau bod cwmnïau'n cyflawni'r gwelliannau disgwyliedig i gwsmeriaid a'r amgylchedd. Rhannwc eich barn yn ein hymgynghoriad erbyn 24 Medi 2026.
![Graphic of an image of high-rise residential buildings over the Thames, where sailing boats are on the water. Text reads “[MoL logo] We’re making waves. / London launches its first-ever plan to transform the capital’s rivers and waterways over the next decade”.](https://pbs.twimg.com/media/HOX7XAOWYAAy7UT.jpg?name=orig)
ALT Graphic of an image of high-rise residential buildings over the Thames, where sailing boats are on the water. Text reads “[MoL logo] We’re making waves. / London launches its first-ever plan to transform the capital’s rivers and waterways over the next decade”.
ALT Text reads: Ofwat has secured a £30.5m enforcement package from South East Water, following the conclusion of three investigations into licence breaches, repeated supply disruptions, customer service failings, and its recent credit rating downgrade. This is written on a yellow and blue background. The Ofwat logo, a W in a blue circle, is in the top right hand corner. "Enforcement" is at the top of the graphic.
ALT The graphic has a blue background, with white text. The Ofwat logo, a W in a white circle, is in the top right hand corner. Text reads: “This package is the first step towards full accountability and to improving overall performance, and we welcome the company's engagement to bring these cases to a conclusion. But the work doesn't stop today - South East Water needs to make meaningful, lasting changes to ensure customers can rely on the service they receive." Helen Campbell, Executive Director, Delivery
ALT Text reads: Enforcement: Our wastewater investigation found Severn Trent Water breached several legal obligations relating to the service it provides. The text is on a blue, and yellow, background. The Ofwat logo (a white W in a circle) is in the bottom right hand corner of the graphic.
ALT Quote from Lynn Parker of Ofwat regarding Severn Trent Water's breaches and their subsequent proactive response: "Our investigation found serious and unacceptable breaches by Severn Trent Water — that is not in question and the company accepts it. But their response to those failures sets a standard we expect from all companies: identifying the problem, proactively investing to fix it, and cooperating openly with the regulator." - Lynn Parker, Senior Director, Casework, Enforcement & Customers at Ofwat. The text is on a blue background. The white Ofwat logo (a W in a circle) is in the bottom right hand corner
ALT The photo is of a woman and child brushing their teeth in a bathroom. In the top right hand corner is the blue Ofwat logo, a W in a circle.
ALT The photo is of the Burrator Reservoir during the 1976 drought. There is an Ofwat logo (a blue W in a circle) in the top left hand corner. In the top right hand corner is a copyright credit, for Crispin Purdye. On the bottom left is the caption: Burrator Reservoir, 1976