Eli5: If a town in the UK gets flooded by local rivers due to storms, does some of the flood water end up going to sewer, and if so does the sewerage plant cope?

Question

Title, a bit in depth – would preferably like someone who works at one, thanks in advance

In: 7

Answer 1

Don’t know about the UK, but they happen in my city:
https://www.crd.bc.ca/service/stormwater-wastewater-septic/wastewater-overflows

But judging from this news article I found, it happens in the UK all the time too: https://www.theguardian.com/environment/2021/apr/19/sewage-island-how-britain-spews-untreated-waste-rivers-sea