Jurisdiction(s):
United Kingdom

Ofwat’s record Thames Water fine and new licence powers: heightened environmental, dividend, criminal enforcement and private law claims risks for UK companies

Published on: 02 June 2025

Published by a Law360 reporter

Legal News

Article summary

The Water Services Regulation Authority (Ofwat) hit Thames Water with a fine of £123m on 28 May 2025 for breaching rules governing its wastewater management and its unjustified payment of dividends.

In imposing its biggest sanction to date, the regulator invoked 2023 powers—unused until now—that allow it to vary licences without firms’ agreement. Lawyers view the sanction as a clear warning that environmental, social and governance shortcomings rank among the foremost risks businesses face from Ofwat and other British enforcement bodies, describing the fine as a shot across the bows for companies across all sectors. Trevor Francis, a regulatory investigations partner at Blackfords LLP, said the case underscores the need for proactive legal and regulatory risk reviews across industries, particularly where environmental damage or customer detriment can be anticipated. The embattled utility has drawn fierce criticism from politicians and the public after repeated sewage releases and leaks. Supplying roughly 16 million customers, mostly in London and southern England, the company has also grappled with financial instability, culminating in a £3bn emergency loan earlier this year to stave off collapse...

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