Poison Water review – a damning tale of greed, incompetence and Britain’s biggest mass poisoning

When north Cornwall residents’ water turned black and gelatinous in 1988, they were urged to mix it with orange squash when drinking. This powerful film lays out the effects of the toxic H2O – and their long struggle for justiceIt is becoming a cliche to liken issues-based TV dramas and documentaries to Mr Bates vs the Post Office. Nevertheless, you get the sense that Poison Water is hoping to do for communities affected by the shocking inaction of the water industry what ITV’s