The equivalent in the US is Vint Hill Farms, Virginia. Cold War CIA base used as a listening post primarily, but also to test things like fire suppression and rumored to be a home of Agent Orange. It was an EPA Superfund site (aka so horribly polluted that they needed to do something about it) decided to do nothing and then build a ton of home on and around the heavily contaminated area. I don’t have data but anecdotally cancers here are insanely high in prevalence.

From the UK, the island of Jersey: https://www.bailiwickexpress.com/news/focus-government-legal...

3M lied about the effects of PFAS and firefighting foam polluted their drinking supply. But the terms of the agreement forces the government to defend 3M.