Thames Water saw a 40 per cent increase in pollution incidents in the first half as its debts continued to spiral.
Investors who have stood by Severn Trent through a turbulent time for the water industry will be keen to see how the company is performing as it reports its first half results this week.
A rising tide of resentment over the dumping of sewage into Yorkshire’s rivers threatens to tip into turmoil amid calls for regulators to take a “tighter grip” of control.
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