Ah... The sunlit, 'tastes a bit funny, doesn't it', uplands, once again...

"‘Brexit problem’: UK tap water safety at risk after testing labs shut down.

Exclusive: EU countries will share laboratory capacity but UK rules mean products cannot be tested abroad."

https://www.theguardian.com/business/2024/dec/07/brexit-problem-uk-tap-water-safety-at-risk-after-testing-labs-shut-down