More infoFlash floods that can cause sewage to flow into homes has left residents in a city suburb fearing the rain. They have now collected a petition that calls on Dŵr Cymru/Welsh Water and Wrexham council to prioritise the necessary drainage upgrades as soon as possible. The repeated flooding – including raw sewage entering homes – is not just distressing, it’s totally unacceptable. "Dŵr Cymru must prioritise the necessary drainage upgrades, and Wrexham Council must continue to push for solutions and support residents however it can. “Following periods of heavy rain, surface water often finds its way into our sewer system, causing problems for our customers.