THREE Welsh constituencies recorded the most sewage overflows in England and Wales in 2024 -and another two were also in the bottom 10. Out of 537 constituencies in the Surfers Against Sewage annual analysis of recorded sewage pollution across England and Wales, Ceredigion Preseli, Caerfyrddin and Dwyfor Meirionnydd were ranked the worst three affected areas. Sewage pollution includes everything we flush down the toilet, or wash down the drain that ends up being released into the environment.