The post discusses the current state of sewage discharges from storm overflows into UK rivers, focusing on the privatisation of water authorities, the lack of investment in infrastructure by private companies, and the increasing financial strain on these companies as they fail to manage the system efficiently. Comments highlight the complexity of a real-time monitoring map and the public's interest in the implications for environmental health and recreation activities like kayaking. Users express concerns about the flooding and sewage treatment capacity, while suggesting improvements to data representation and geographic coverage.