‘Shocking’ sewage treatment failures cost Southern Water £126m

Southern Water has received the greatest penalty ever imposed against a British company for an environmental infringement, having “deliberately misreported data” on the performance of its wastewater treatment works, says Ofwat

The water industry regulator ordered the firm to pay £126m today, following a lengthy investigation. Part of it is a £3m bill, reduced from £37.7m, for “significant breaches of its licence conditions and its statutory duties”. The rest will be paid back to customers over the next five years, representing a £91m in performance-related penalties that the firm had avoided over 2010 to 2017, with an extra £32m on top to as punishment.

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