Four English water companies at ‘higher risk’ of failing drinking water standards

While the quality of England’s drinking water supply remains “excellent”, four water companies are at a “higher risk of regulatory failure”, according to the body overseeing drinking water standards.

In its annual report published last week, the Drinking Water Inspectorate (DWI) lists Severn Trent Water, United Utilities, Southern Water and Thames Water as companies that must do more to reduce the risk of breaching water quality standards. 

“As part of progressive and better strategic regulation, we have worked with these companies to formalise a water quality improvement strategy through transformation programmes,” stated chief inspector Marcus Rink.

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