Thames Water to pay £700,000 for pollution offences

Serious failures at a Thames Water sewage treatment works, which caused a major fish kill and threatened another utility’s drinking water supplies, have been punished with a hefty fine.

In June 2014, a member of the public reported a “grey and odorous cloud of polluted water” being released from the Maidenhead works, according to a statement from the Environment Agency (EA). It entered the Maidenhead Ditch and River Cut, a tributary of the Thames. Officers who attended conducted water quality tests and took samples, finding that biochemical oxygen demand was higher than permitted, both a hazard to wildlife and an indication of high levels of bacteria.

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