There's a type of algi specifically called blue green alge, which happens after you get a nutrient overload. It is very toxic to dogs since so much it can kill them. To people walking dogs around areas that have this blue green algi, shouldn't let them near the water. And i assume the sewage in of itself also poses a risk to us too. A study out last week actually shows that surfes have three times the amount of ante buotic resistant ecoli and their gut compared to non surfes. Sa, ther's a correlation there. This year it's been found that sewage has been discharged into the areas where we farm our shellfish. So it could
Holidaymakers heading to British beaches and rivers were faced with a very unpleasant problem this summer – raw sewage. The sewage system usually carries rainwater and dirty wastewater from bathrooms and kitchens to treatment works but during ‘exceptional events’ such as heavy rainfall, when it is likely to be overwhelmed, raw sewage can be diverted and discharged into rivers and seas. Available data shows that in 2021, water companies released untreated sewage into waterways for 2.7m hours – with many discharge pipe monitors not working or left uninstalled. Madeleine Finlay speaks to reporter Helena Horton about why this is happening, and the damage it is doing to the environment, our health, and the UK’s seafood industry. Help support our independent journalism at
theguardian.com/sciencepod